Tag n-Hexane

n-Hexane Manufacturers will apply for innovation based patents in next five years

In the next five years,  n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) market participants will apply for innovation based patents
The global n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) CAS Number: 110-54-3 EC Number: 203-777-6 market report provides a detailed review of market behavior, market performance and ways to respond to various situations. In addition to the usual market classification, the report also includes growth rate comparison, current and future prospects, and year-on-year progress. All market insights are presented in the form of quantity (x units) and value (million / billion US dollars).

The n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) market report covers an extensive perspective assessment from each key perspective of the market, such as parts 1, 2 and 3. In addition, market research provides important information related to the taxonomy, including income generation, individual share and impact trends.

The largest manufacturer of n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) in China is Junyuan Petroleum Group.

n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) market research describes a competitive analysis based on R&D projects, important investments, business strategies and growth trajectory. In this study, all participants – large and small – were examined on the basis of predefined parameters.
The  n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) market report highlights the following market segments based on Purity: 60% – 99%
The  n-Hexane ( CAS Number: 110-54-3 EC Number: 203-777-6) market report includes the following parts according to the level:
Oil exploitation
Pharmaceutical
Industrial
Overview of the key hexane markets according to the study area:
North America
Latin America
Europe
China
Japan
Southeast Asia and the Pacific
Middle East and Africa (MEA)

n-Hexane storage tanks

Where to buy n-Hexane in bulk?

Worried on “Where to buy n-Hexane in bulk?”, just check the product specification for n-Hexane food grade and pharm grade at Junyuanpetroleumgroup.com, the online product showcases. C6H14 is its chemical formula and are colorless & odorless in its pure form,they are notable constituents in petrol.Description
Hexanes, also known as Hexane, is a commercial/industrial grade product made up of a combination of hydrocarbons containing six carbon atoms. Hexanes is a combination of hexane (>60% hexane contents) and variable quantities of isomeric chemicals such as 2-methylpentane and 3-methylpentane. It also contains traces of non-isomeric C5, C6, and C7 (cyclo) alkanes. Hexanes is frequently used as a non-polar solvent that is inexpensive, essentially non-reactive, and volatile.

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Solvents such as hexane are used for extraction purposes. Also known as n-Hexane, this chemical is a petroleum distillate made from crude oil, is used to purge or wash plant materials such as seeds to release oils. n-Hexane, sold by Lab Alley is used in industrial facilities and laboratories in the United States.

Extracting Oil From Walnuts. The Soxhlet Extractor |

Solutions such as Methanol/Ammonia/Water‐Hexane are used to extract glucosinolates from mustard seeds. Hexane, a non-polar solvent is used to extract oils from flaxseed, dried and cured organically grown fresh herbs and seed. It is commonly used for pharmaceuticals and food processing.

Buy Hexane For Use In Food And Science Laboratories In China
The term “hexanes” (CAS 110-54-3) is a hydrocarbon distillation fraction that contains a mixture of linear and branched hexane isomers. Certain types of high purity hexane solvent solutions are used in science and food laboratories HPLC, spectrophotometry, and GC/MS analysis.  Since hexane cannot be easily deprotonated, it is used in the laboratory for reactions that involve very strong bases.  Chemical processing labs use hexane to extract oil and grease contaminants from water and soil for analysis. Hexane is used for development, manufacturing and research applications throughout America. Hexanes are commonly used in chromatography.

Buy Hexane And Other Solvents For Use In Botanical Extraction Facilities
The purpose of extraction using solvents is to reduce the plant material to an extract full of active compounds (terpenes and flavonoids) and to avoid producing an extract that contains solvents such as heptane. Other solvents used are ethanol, butane, heptane, pentane, pure non-denatured ethanol (100% alcohol/ethyl alcohol) and propane. Hexane is not safe to consume. It is a toxic substance.

What Is Hexane Used For In The Botanical Processing and Extraction Industry?
Hexane can be used as a solvent and a wash in the botanical extraction process. n-Hexane is used to extract oil and other compounds from plant material. Hexane is used to remove chlorophyll from plant materials and extracts. The hexane extraction is a process frequently used in food industry and soyfood processing. Hexane is a popular solvent for extraction of oils, chlorophyll, bioactive compounds and other constituents of plant foods. Hexane removes undesirable constituents from plant foods and solutions. Buy hexane for botanical oil extraction from Junyuan Petroleum Group.  In solvent extraction, n-Hexane is used as a solvent for its attributes such as simple recovery, non-polar nature, low latent heat of vaporization (330 kJ/kg) and high selectivity to solvents.  Hexane has been widely used for oil extraction because of easy oil recovery, narrow boiling point (63–69 °C) and excellent solubilizing ability.

It is important to understand the safety and efficiency of various extraction methods.  Hexane is highly flammable and explosive. It is important to use hexane in the correct environment and take the necessary safety precautions. Hexane should be used in a well-ventilated area or outside. People use hexane to produce a final product that is much more potent than the original herb. When using hexane for botanical processing it allows the user to isolate more desirable compounds than the herb provides freshly harvested. The purpose of using hexane or other solvents such as ethanol, pentane or hexane are to reduce the plant in solution then remove the chemicals. If done incorrectly the herbal oil and compounds can remain full of chemicals that could be harmful to the human body. In order to purge hexane from the finished product there are two options; heat and vacuum using thin film techniques or washing it in food grade ethanol. Hexane is ideal for dissolving the waxes and lipids during the extraction process. It is important to use a good grade of hexane or distill the hexane before using it for the extraction. This will produce better results in the end. You can purchase hexane for botanical processing and extraction at Junyuan Petroleum Group.

n-Hexane storage tanks

Our n-Hexane storage facility.

Pentane, Hexane and Heptane Prices, Upstream, Downstream, Analytics & Forecasts | Junyuan Petroleum Group,
Order & Inquiry. WhatApp Business: +86 178 1030 0898 E-mail: info@junyuanpetroleumgroup.com. Address: No. 117, Guangqing Rd., Guangrao County, Dongying 257345 China.
China is the world’s largest buyer and drives prices in Asia and the global solvent trade. Our comprehensive news and pricing coverage of China and global solvent market is constantly updated by our raw material purchase, production and sales team of experts. Solvent markets can react to change quickly. It’s crucial for buyers, sellers and producers to stay alert and aware of what’s happening, both in their region and internationally. We help you stay abreast of change as it’s happening. We keep you informed of the current price and market position, so you can make the most of opportunities to trade or secure a deal.

Price Trend of Pentane, Hexane and Heptane products

There is no change in the price of pentane, hexane and heptane today

Today is the second day of the new year, and the prices of #pentane, #hexane and #heptane series products have not changed.
Industry News
According to market news, the Ministry of Commerce recently approved and issued the allowable import volume of the first batch of crude oil for non-state trade in 2022, with a total amount of 109.03 million tons, a decrease of 11% compared with the same period in 2021. The quota of some independent refineries in Shandong and Northeast China was reduced.
After the impact of the epidemic on the national economy in 2020, Saudi Arabia, the world’s largest oil exporter, continued to pick up its foreign trade in 2021. According to the statistics released by the Saudi National Bureau of statistics on the evening of the 26th local time, Saudi Arabia’s foreign exports in October 2021 increased by 90% over the same period last year. Affected by the rising oil price, crude oil exports reached 82.4 billion Saudi Riyals (about 140.08 billion yuan), an increase of 123.1% over October 2020; The export volume of non oil commodities increased by 25.5% over the same period last year, and the total export volume also increased by 12.2% over September 2021.
Earlier this month, the Saudi Ministry of Finance announced the national budget for 2021-2022, which is expected to have a fiscal surplus for the first time in nine years. The world economic outlook report released by the International Monetary Fund in October also predicts that Saudi Arabia’s economic growth will reach 2.8% in 2021 and further increase to 4.8% in 2022.

Read More

Daily Price Changes

2021/02/04. USD TO CNY TODAY.

Actual USD to CNY exchange rate equal to 6.4653 Chinese Yuans per 1 Dollar. Today’s range: 6.4550-6.4660. Previous day close: 6.4600. Change for today +0.0053, +0.08%.

The supply and demand of pentane market. According to the current situation, three production lines of Junyuan Petroleum Group will be put into operation in 2021-2022, and the market supply will increase. However, due to its C5 and C6 isomerization unit, the increase of market supply is limited. In 2021, the main consumers of domestic pentane market will still be the trade oil industry and pentane foaming agent industry. The main application is concentrated in the trade oil market. From the perspective of economic development, the trend of good economic operation will form a certain support for the domestic demand for refined oil, and pentane, as a gasoline blending component, will also be driven to a certain extent. In addition, due to the influence of policy, pentane fuel market is becoming more and more hot, and there may be good expectations in the later market. Overall, the market supply and demand pattern will continue to change in 2021, which will restrict the trend of C5 on the price.

You are very welcome to call or email for sales inquiry. Email: info@junyuanpetroleumgroup.com WhatsApp: +86 178 1030 0898

#Pentane #pentanes #hexane #hexanes #heptane #heptanes #n-Pentane #normal pentane #Isopentane#n-Hexane #normal hexane #Isohexane #n-Heptane #normal heptane #blowing agent #blowing agents #foaming agent #foaming agents

Daily Price Changes

2021/01/26. USD TO CNY TODAY.
Actual USD to CNY exchange rate equal to 6.4690 Chinese Yuans per 1 Dollar. Today’s range: 6.4660-6.4790. Previous day close: 6.4790. Change for today -0.0100, -0.15%.

DOWN
6.4690
-0.15%

Daily price changes on pentanes, hexanes, heptanes, octanes, sodium methoxide solution, PBS and PBAT Resin

Junyuan Petroleum Group was established in 1999 and over the years has grown and evolved into one of the major suppliers of solvents and chemicals in China. We have gained an enviable reputation for the supply of n-Pentane, Isopentane, Pentane Blends, n-Hexane, Isohexane, n-Heptane and D-Solvents both to the industrial and commercial markets. For sales inquires or questions, please email us at: info@junyuanpetroleumgroup.com.

n-Pentane

Junyuan Petroleum Group was established in 1999 and over the years has grown and evolved into one of the major suppliers of solvents and chemicals in China. We have gained an enviable reputation for the supply of n-Pentane, Isopentane, Pentane Blends, n-Hexane, Isohexane, n-Heptane and D-Solvents both to the industrial and commercial markets. For sales inquires or questions, please email us at: info@junyuanpetroleumgroup.com.


Daily Price Changes – Thursday, 11/05/2020

  • The price of pentane blends is stable at present.
  • The Chinese market for n-Pentane, Isopentane, Pentane Blends/pentane blowing/foaming agent, n-Heptane market inquiries are active.
  • The price of n-Heptane in the Chinese market rose slightly, which supported the market. The supply of n-Heptane is in short supply, and the market is slightly firm.
  • The Solvent Oil/D Series fluid market in China is still weak, and the price may continue to move downward. At present, the inventory of solvent oil raw materials is relatively sufficient, the intention of large-scale purchase is not high, and the export is also reduced. The domestic inventory is facing the risk of recovery, in the near future, the market price will decrease slightly.
  • At present, the transaction price of high purity n-Hexane is on the high side in the Chinese market, and the orders of various manufacturers are still relatively concentrated. Moreover, all factories need to carry out annual maintenance, and the stock shortage situation is persistent. Moreover, the market price of n-Hexane raw materials is too high, which leads to the shortage situation in the short term, and the price keeps rising steadily.
  • At present, the volume of n-Octane in the Chinese market is scarce, the market price is falling, and the orders are scarce.

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    An improved catalytic cracking of n-hexane via methanol coupling reaction over HZSM-5 zeolite catalysts

    An improved catalytic cracking of n-hexane via methanol coupling reaction over HZSM-5 zeolite catalysts

    The coupling transformation of n-hexane and methanol over HZSM-5 has been investigated with a pulse-reaction system. In the temperature range of 400–500℃, kinetic data was collected and reaction order was determined. Compared with the pure n-hexane cracking, the increased rate constant and the lowered apparent activation energy clearly demonstrate an improvement of n-hexane activation using methanol as co-reactant and an increased contribution of faster bimolecular mechanism to the n-hexane transformation due to methanol introduction. Similarly, the results of coupling transformation performed over HZSM-5 with different Al content further confirm the transition between reaction mechanisms of n-hexane on account of the introduction of methanol. Moreover, the further investigation suggests that the enhancement of n-hexane activation and the change of reaction mechanism are attributed to the presence of intermediate species evolved from methanol. Thus, a proposed reaction pathway of n-hexane activation with methanol as co-reactant was put forward.

    KEY WORDS: coupling transformation; mechanism; pulse-reaction; activation energy; Si/Al ratio.

    1. Introduction

    Hydrocarbon cracking is one of the most important processes for light olefins production in petrochemical industry. The disadvantage of this route is its high endothermicity, which makes it a very energy con-suming process. Some researchers have studied on catalyst development for high-efficient transformation and less energy cost, while some efforts are also put on alternative way, such as, introducing some exothermic conversion processes for energy supply into the endothermic hydrocarbon cracking. Considering the energy balance and target products, exothermic MTO/MTG process is a good option for this coupling system.

    Lücke and co-workers investigated the coupling transformation of some hydrocarbons with methanol participation. A high olefins yield up to 1000 g kg)1h)1 in the temperature range of 600–700 ℃ in a nearly thermo-neutral condition was obtained, and the deactivation behavior of different modification HZSM-5 catalyst was also discussed. Gao and co-workers investigated the coupled conversion of methanol and light hydrocarbons over Ga/HZSM-5 catalyst at moderate temperature (<550 ℃), and studied the effect of reaction conditions on the yield of aromatics and lower alkenes. Shabalina and co-workers also worked in this field of methanol coupled conversion of propane and butane on MFI zeolite, and emphasized on the modification effect of alkaline-earth metals in the for-mation of light olefins.

    In these studies discussed above, besides the consideration of energy supply, most of the study efforts were put on modifying reaction condition and zeolite catalyst for higher light olefins yield. However, for the conversion of methanol and the catalytic cracking of n-hexane, they are such reactions catalyzed by acid zeolite catalyst, although both reactions are quite different. When two reactions, thermally coupled each other, occur simultaneously, for the reactant and co-reactant, the feed of hydrocarbon and methanol, their transformations may not be independent completely. The chemical mechanism of the coupling transformation of n-hexane and methanol, especially the effect from methanol participation on the activation and conversion of hydrocarbon, is still obscure and merit further deep investigation.

    In the present study, the transformation of n-hexane with and without methanol as co-feed was performed over HZSM-5 in a pulse reactor under the same reaction condition. The initial conversion rates of n-hexane at different temperature were tested, from which the rate constants of two reactions were deter-mined, then the apparent activation energies of

    n-hexane in both reactions were calculated. The coupling conversion was also carried out over HZSM-5 with different Al content. By comparing the n-hexane alone conversion with methanol coupling n-hexane conversion, the change in activation energy of n-hexane and the effect of aluminum content on n-hexane conversion were discussed. Additionally, the effect of the species from methanol on n-hexane conversion was also investigated.

    2. Experimental section

    2.1. Catalyst preparation

    Samples of HZSM-5 (Si/Al 13, 19, 25 and 70) were prepared with ion-exchanged method by exchanging NaZSM-5 (obtained from FuShun Catalyst Plant) with 0.5 M NH4NO3 solution at 80 ℃ for 4 h, and the operation was repeated 4 times, at last the ammonium sample was calcined in air at 550 ℃ for 4 h. Table 1 lists the physicochemical characteristics of these HZSM-5 samples.

    2.2. Catalytic test

    A pulse reaction system was used for all conversions. The catalyst (60–80 mesh) of 4.7–20 mg was loaded in the quartz reactor of 3 mm i.d. And quartz sands (60–80 mesh) were filled in the upper part of reactor to get plug flow state of mixture feed. A fresh catalyst was used on each run, and prior to use, the catalyst was pretreated at 550℃ for 1 h in a flow of N2.

    The stream with certain amount of n-hexane for pulse reaction was generated by passing the carrier gas (He, >99.996%) of an appropriate flow rate through a saturator containing n-hexane at proper temperature. This stream was then mixed with the methanol stream with desired pressure generated in the same way, then the mixed stream was introduced into the reactor by the flow of helium. All products were separated and identified on-line by VARIAN CP-3800 gas chromatography equipped with a capillary column of PONA (100 m 0.25 mm) and a FID detector. Product analysis was reported by the DHA software. For comparison, the transformation of n-hexane alone with the same carbon atoms as co-reactant was carried out under the same condition.

    The conversion of n-hexane and methanol was calculated based on the GC analysis using the following equation (where conversion of reactant and concentration of reactant in feed are expressed on molar carbon atom basis):

    Transformation was performed with different contact time, which allowed extrapolation of conversion of n-hexane to zero contact time. As a result, the initial conversion rates of n-hexane were estimated from the tangent at zero contact time in the plot of the conversion versus contact time of n-hexane. The concentration of methanol in feed was fixed at 10% (C%) in most coupling experiments to limit the extent of methanol interconversion reactions.

    3. Results and discussion

    Varying the flow rate of carry gas with fixed contact time has no influence on the coupling reaction under the work conditions, suggesting no external limitation from diffusion control in the pulse reactor used. Blank test shows that the thermal transformation of n-hexane with and without methanol under the operating conditions is negligible.

    Coupling transformation of n-hexane and methanol at different temperature

    The experiments were carried out in the temperature range of 400–500 LC over HZSM-5 zeolite (Si/Al=19) with different contact time. The result in figure 1 shows the initial conversion rate of n-hexane in n-hexane alone cracking and coupling reaction experiments. Compared with the conversion of n-hexane alone, a clear increase of initial conversion rate of n-hexane is observed in coupling reaction, indicating a conversion enhancement of n-hexane by employing a coupling system with methanol as co-feed. It is also very interesting to find that the increase in conversion rate is more pronounced at low temperature than at high temperature compared with the uncoupled n-hexane cracking.

    It is known that n-hexane cracking follows a first order kinetic rate law when the conversion of n-hexane is below 30% and the curve of )ln (1)x), in which x is the conversion of n-hexane, is expected to be linear as a function of the contact time. For n-hexane cracking over HZSM-5, the value of )ln (1)x) as a function of contact time plotted in figure 2 shows that in the studied temperature range, the conversion of n-hexane is a first-order reaction and the value of apparent rate constant can be calculated from equation: where k is the apparent rate constant of n-hexane con-version, s is the contact time of n-hexane (s).

    While in the plot of methanol coupled n-hexane cracking, even the conversion has been improved in the whole temperature range, it can be still observed that the curve of )ln (1)x) is liner as the function of con-tact time as shown in figure 3. The apparent rate constants of n-hexane conversion listed in table 2 show that the first-order reaction rate constant k increases with reaction temperature, while in the whole temper-ature range, k from coupled reaction is always higher than that from the reaction of n-hexane without methanol introduction.

    4. Conculsions

    The coupling transformations of n-hexane and methanol over HZSM-5 zeolite catalysts, as well as the conversion of the hexane alone under the same conditions, have been investigated with a pulse reaction system. Comparing with the conversion of n-hexane alone, the increased rate constant and lowered apparent activation energy of n-hexane clearly show an improvement of n-hexane activation using methanol as co-reactant, and the increase of n-hexane conversion can be favored by the highly acid sites density and lower reaction temperature, which may be attributed to the presence of inter-

    mediate species evolved from methanol. Therefore, it can be allowed to propose a reaction pathway, where the initiation step of n-hexane is dominated by faster bimolecular hydride transfer between the species from methanol  and  n-hexane  molecule  instead  of  the  direct monomolecular protonation of n-hexane on Bronsted acid site of zeolite. As a result, the bimolecular progress will become a prevailing pathway in the coupling transformation of n-hexane and methanol.

    Ceramic Carrier Materials in Heterogeneous Catalysis

    Catalyst Carriers for the Chemicals Industry

    Ceramic catalyst carriers form an important group of commonly used carrier materials in heterogeneous catalysis. They are primarily used in selective oxidation processes.

    In heterogeneous catalysis bulk material catalysts are used to convert gaseous or liquid reactants. On an industrial scale fixed bed reactors are generally used for these types of reactions. The actual catalyst – i.e. the active catalytic substance – may be used alone or on a carrier. Carriers are used in situations where high demands are placed on the mechanical strength of the catalyst, the active catalytic substance must be present in a thin layer or there is a need to conserve valuable catalyst substances. A variety of materials are used to create catalyst carriers.


    “Many intermediate and end products in the chemicals industry can only be produced with the help of catalysts.”

    Ceramic catalyst carriers are an important group of carrier materials in heterogeneous catalysis and meet property requirements such as:

    Chemical inertness
    Mechanical strength and stability
    Low surface profile
    Bulk material uniformity

    In this work zeolites HY, HZSM-5 and mixes of zeolites with γ-Al2O3 in different ratios were taken as carriers for 0.8 wt% Pd catalysts. Physico-chemical characteristics of the catalysts were determined by methods of Brunauer–Emmett–Teller (BET)–N2 adsorption, x-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDS), transmission electron microscopy (TEM), temperature-programmed reduction (TPR), hydrogen pulse chemisorption (HPC) and NH3 adsorption–desorption. The activity of catalysts was studied at 225–450 °C, at 0.1 and 0.7 MPa with molar ratio of H2:n-C6H14 = 5.92 and n-hexane concentration 9.2 mol%. Mixing of γ-Al2O3 with zeolite made acidity of catalyst weaken and led to a decrease of Pd cluster size, to an increase of Pd dispersity and a reduction of the extent of Pd in the case of catalyst Pd/HY; but for the catalyst Pd/HZSM-5 such mixing led to the reverse effect. That is why the increase of activity in the first case and the decrease of activity in the second case have been observed. It has been found that the optimal ratio of mixed carrier is γ-Al2O3:HY = 2.5:1 and the optimal calcined temperature of NH4ZSM-5 to obtain HZSM-5 is 500–550 °C. An increase of reaction pressure from 0.1 to 0.7 MPa remarkably increased the activity, selectivity and stability of Pd-based catalysts.

    The import, export data for n-Heptane and n-Hexane from major ports of India

    Heptane
    Heptane anhydrous, 99% CAS Number 142-82-5. Linear Formula CH 3 (CH 2) 5 CH 3. Molecular Weight 100.20 . Beilstein/REAXYS Number 1730763 . EC Number 205-563-8. MDL number MFCD00009544. PubChem Substance ID 57648092
    N-Heptane, is used as a non-polar solvent typically during the plant extraction or crystallization process. N-heptane or normal heptane is a pure single molecule product, which functions better for crystallization due to the tighter control of the chemical properties.
    n-Heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16. When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is a 100% iso-octane).
    Number of Transactions>200
    Total Quantity: (kg)14,177,933 kg
    Total Value:(USD)$27,346,608

    API Imports and Exports for n-Heptane from India

    Exporting CountryImporting CountryTotal Quantity
    (kg)
    Average Price
    (USD/kg)
    Number of Transactions
    INDIASWEDEN2,720.0058<10
    INDIAUNITED KINGDOM132.50118<10
    INDIAIRAN2,193.506<10
    INDIABELGIUM145.0091<10
    INDIAUNITED STATES14.53742<10
    KOREA,REPUBLIC OFINDIA9,660,934.492>200
    CHINAINDIA2,125,676.783>200
    ISRAELINDIA1,492,602.12151 – 200
    GERMANYINDIA406,983.03351 – 200
    UNITED STATESINDIA486,531.23251 – 200

    Hexane
    N-hexane CAS Number: 110-54-3 Molecular formula: C6H14 IUPAC Name: hexane. Hydrocarbons, C6, isoalkanes, 5% n-hexane . Type: legal entity composition of the substance. Constituent 1. Reference substance name: 2,3-dimethylbutane EC Number: 201-193-6 EC Name: 2,3-dimethylbutane CAS Number: 79-29-8 Molecular formula: C6H14
    Hexane is a liquid solvent used in industrial, professional and consumer products such as adhesives and coatings. It can also be used in food contact applications such as a solvent for oil seed extraction. One of the most common applications for hexane is its use as a solvent, specifically as an industrial grade degreaser and cleaner.

    Hexane in Solvent extraction method

    Hexane in its pure form is a colorless liquid , and its boiling point is between
    50℃ – 70℃ all of which work in favor for oil extraction. To begin the process of solvent extractionoil seeds (soybean, rapeseed etc.) are removed of impurities and dried to reduce moisture content. The next step is to crack the seeds for size reduction, they are then flattened to form flakes which increases the surface area to facilitate easier extraction. In the succeeding step food grade hexane is fed as counter current and the solvent extracts oil from the flakes. Then the solvent is evaporated from the oil solvent mixture and from the defatted flakes by exposing them to steam by direct or indirect method. The solvent is condensed to recover back hexane. The oil which is devoid of the solvent undergoes further processing to achieve commercial quality.

    The oil content in the flakes after removes by solvent extraction method is only 1/2% which is far less when compared to other methods of extraction which may range anywhere between 30- 45%.

    Extraction of oil from seeds is carried out by three method

    • Hydraulic press
    • Expeller pressing
    • Solvent extraction

    The Solvent extraction process scores over the other two methods by the following advantages

    • Maximum oil recovery
    • Lesser working cost
    • Cheaper price tags for end users
    • Production meets demand
    • The extracted oil is low in sedimentation
    • Solvent loss is low

    Why hexane for oil extraction and not other solvents?

    • Hexane has greater ability to extract oil when compared to other solvent like petroleum ether and ethyl acetate.
    • With a boiling point of 69℃ it is able to retain its liquid state at all atmospheric conditions other than for extreme climates.
    • Its reasonable volatility aids easy removal from solids and oil, using low energy.
    • When compared to other solvents hexane records the lowest skin irritation.
    • It aggressively mixes with the vegetable oil and washes it out with out disturbing fiber, protein, sugar and undesired gums.
    • It is low in odor and does not cause discomfort during exposures.

    Hexane considerably scores over all other solvents and is the universally accepted chemical for solvent extraction. The method by itself uses lesser hp and maintenance is also minimal. The process flow is quiet similar with slight variation depending on the seed that’s involved in extraction. Seeds that are subjected solvent extraction process are rape seed, canola, sunflower, safflower, Soybean etc. Pure Chemicals Co. has 36 years of experience in chemical industry and is one of the largest supplier of hexane for all the big names in edible oil extraction industry that follow solvent extraction process.

    Number of Transactions>200
    Total Quantity: (kg)357,295,003 kg
    Total Value: (USD)$418,591,307

    API Imports and Exports for n-Hexane from India

    Exporting CountryImporting CountryTotal Quantity
    (kg)
    Average Price
    (USD/kg)
    Number of Transactions
    INDIABELGIUM60,979,259.01111 – 50
    INDIAUNITED STATES1,038,691.451451 – 200
    INDIASPAIN18,585,520.09111 – 50
    INDIACHINA742,462.151551 – 200
    INDIAOMAN5,692,737.001<10
    CHINAINDIA12,415,563.5512>200
    ROMANIAINDIA87,602,434.001>200
    THAILANDINDIA64,063,329.081>200
    SINGAPOREINDIA56,015,830.011>200
    United StatesINDIA50,159,176.461>200
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