Tag Isohexane

HPLC, or high-performance liquid chromatography, is a widely used technique for separating and analyzing different components of a mixture. HPLC is often used in pharmaceutical, environmental, and food industries, as well as in research laboratories. HPLC requires a solvent, which is a liquid that dissolves the mixture and carries it through the system. The solvent plays an important role in the efficiency and accuracy of HPLC, as well as in the safety and environmental impact of the process.

One of the most common solvents used in HPLC is n-hexane, which is a simple hydrocarbon with six carbon atoms and 14 hydrogen atoms. n-Hexane has some advantages as a solvent, such as low cost, low polarity, and high volatility. However, n-hexane also has some serious drawbacks, such as high toxicity, flammability, and environmental hazards. Exposure to n-hexane can cause nerve damage, respiratory problems, skin irritation, and even cancer. n-Hexane is also highly flammable and can cause fires and explosions. Moreover, n-hexane is not biodegradable and can contaminate soil and water sources.

To overcome these problems, some researchers and manufacturers have developed alternative solvents that are safer and cleaner than n-hexane. One of these alternatives is isohexane, which is a structural isomer of n-hexane. This means that isohexane has the same molecular formula as n-hexane, but a different arrangement of atoms. Isohexane has five carbon atoms in a straight chain and one carbon atom attached to the middle carbon atom, forming a branch. This slight difference in structure makes isohexane much less toxic, less flammable, and more biodegradable than n-hexane.

Isohexane has been shown to be an effective solvent for HPLC, as it has similar properties to n-hexane, such as low polarity and high volatility. Isohexane can dissolve and separate a wide range of compounds, such as fatty acids, steroids, and pesticides. Isohexane can also be mixed with other solvents, such as ethanol, to adjust the polarity and selectivity of the solvent. Isohexane has been used in HPLC for various applications, such as analyzing herbal medicines, essential oils, and biodiesel.

One of the leading manufacturers of isohexane is Junyuan Petroleum Group, a Chinese company that specializes in producing high-quality solvents and chemicals. Junyuan Petroleum Group has an ISO certified manufacturing facility with a well-equipped laboratory to maintain global quality standards. Junyuan Petroleum Group offers isohexane with a purity of 99% and a low content of n-hexane (<5%). Junyuan Petroleum Group also provides customized services and products to meet the specific needs of customers.

Isohexane is a cleaner and safer solvent for HPLC, as it reduces the health and environmental risks associated with n-hexane. Isohexane is also a versatile and efficient solvent that can be used for various HPLC applications. Isohexane is a promising alternative to n-hexane that can improve the quality and safety of HPLC.

Abstract: Hydrocarbons are organic compounds that are widely used as fuels, solvents, and raw materials. In this article, we will explain how to calculate how much hydrocarbon you can fit in a 200-liter steel drum, using four examples: n-pentane, n-heptane, cyclopentane, and isohexane. We will use their densities and a safety filling factor of 95% to account for possible expansion or contraction due to temperature or pressure changes.

Keywords: hydrocarbons, density, net weight, safety filling factor, steel drum

Text:

Hydrocarbons are organic compounds that consist of only carbon and hydrogen atoms. They have different shapes and sizes, which affect their physical and chemical properties. Some hydrocarbons are straight chains, such as n-pentane and n-heptane. Some are rings, such as cyclopentane. Some have branches, such as isohexane. These hydrocarbons are widely used as fuels, solvents, and raw materials for various industries.

But how much hydrocarbon can you fit in a 200-liter steel drum? This is an important question for storing and transporting hydrocarbons safely and efficiently. To answer this question, we need to know two things: the density and the safety filling factor of the hydrocarbon.

The density of a substance is the mass per unit volume. It is usually expressed in grams per milliliter (g/mL) or kilograms per liter (kg/L). The density of a hydrocarbon depends on its molecular structure, temperature, and pressure. For this article, we will use the density values at 20°C and 1 atm, which are available from various sources¹²³⁴.

The safety filling factor is the percentage of the drum volume that can be safely filled with the hydrocarbon. We cannot fill the drum completely, because the hydrocarbon may expand or contract due to temperature or pressure changes. This could cause the drum to leak or burst, which could be dangerous and wasteful. Therefore, we need to leave some empty space in the drum to allow for possible expansion or contraction. For this article, we will use a safety filling factor of 95%, which means that we will fill the drum with 95% of its volume.

The net weight of a hydrocarbon in a drum is the mass of the hydrocarbon that fills the drum. To calculate the net weight, we need to multiply the volume of the drum by the density of the hydrocarbon and by the safety filling factor. The formula is:

$$W = V \times D \times F$$

where W is the net weight in kilograms (kg), V is the volume of the drum in liters (L), D is the density of the hydrocarbon in kilograms per liter (kg/L), and F is the safety filling factor as a decimal number (0.95).

The volume of a drum is the space that it occupies. It is usually expressed in liters (L) or cubic meters (m^3^). The volume of a drum depends on its shape and size. For this article, we will assume that the drum is cylindrical, with a height of 0.9 m and a diameter of 0.6 m. The volume of a cylindrical drum can be calculated by multiplying the area of the base by the height. The area of the base is the area of a circle, which can be calculated by multiplying pi (π) by the square of the radius. The radius is half of the diameter. Therefore, the volume of the drum is:

$$V = \pi r^2 h$$

$$V = \pi (0.3)^2 (0.9)$$

$$V = 0.254 m^3$$

$$V = 254 L$$

Now, we can calculate the net weight of each hydrocarbon in the drum, using the formula and the density values from the sources. The results are:

• The net weight of n-pentane in the drum is:

$$W = 254 \times 0.626 \times 0.95$$

$$W = 150.7 kg$$

• The net weight of n-heptane in the drum is:

$$W = 254 \times 0.679 \times 0.95$$

$$W = 164.1 kg$$

• The net weight of cyclopentane in the drum is:

$$W = 254 \times 0.746 \times 0.95$$

$$W = 180.1 kg$$

• The net weight of isohexane in the drum is:

$$W = 254 \times 0.659 \times 0.95$$

$$W = 159.1 kg$$

In conclusion, we have explained how to calculate how much hydrocarbon you can fit in a 200-liter steel drum, using four examples: n-pentane, n-heptane, cyclopentane, and isohexane. We have used their densities and a safety filling factor of 95% to account for possible expansion or contraction due to temperature or pressure changes. This article can help us understand how to store and transport hydrocarbons safely and efficiently.

Isohexane is a colorless, flammable liquid primarily used in synthetic rubber, plastics, paints and other chemical products. Isohexane is also an important adhesive raw material and can be used to make various types of adhesives, such as hot melt adhesives, pressure-sensitive adhesives, structural adhesives and water-based adhesives.
Adhesive is a substance that can firmly bond two or more different materials together. It is widely used in construction, automotive, aviation, medical, electronics, packaging and other fields. The performance and quality of the adhesive depend on its composition and formula, and isohexane, as a solvent, can improve the fluidity, viscosity, drying speed, adhesion and weather resistance of the adhesive.
The main applications of isohexane in the adhesive industry include the following aspects:
Hot melt adhesive: Hot melt adhesive is an adhesive that becomes liquid when heated and solid when cooled. It is commonly used for bonding materials such as paper, textiles, wood, plastics and metals. Isohexane can be used as a solvent for hot melt adhesives to improve its fluidity and adhesion while lowering its melting point and viscosity, making it easier to process and use.
Pressure-sensitive adhesive: Pressure-sensitive adhesive is an adhesive that sticks when pressure is applied and is often used to make products such as tapes, labels, stickers and seals. Isohexane can be used as a solvent for pressure-sensitive adhesives, increasing its flexibility and viscosity while reducing its residue and corrosiveness, making it more suitable for bonding on various surfaces.
Structural adhesive: Structural adhesive is an adhesive that can withstand high strength and high temperature. It is commonly used for bonding structural components in automobiles, aviation, ships, construction and other fields. Isohexane can be used as a solvent for structural adhesives to increase its curing speed and heat resistance, while reducing its shrinkage and cracking tendency, making it more resistant to various stresses and environmental influences.
Water-based glue: Water-based glue is an adhesive with water as its main component. It has the advantages of low toxicity, low pollution and low cost. It is often used for bonding materials such as paper, textiles, leather and wood. Isohexane can be used as a solvent for water-based glue to improve its fluidity and stability, while increasing its drying speed and adhesion, making it more suitable for fast and efficient bonding.
There are many adhesive manufacturers around the world, some of the more well-known ones are:
Huntsman (Henkel): Huntsman is a multinational chemical company headquartered in Germany. It is one of the world’s largest manufacturers of adhesives and sealants. Its products cover a variety of adhesives in industrial, consumer and professional fields. Agents, such as Loctite, Henkel (Pritt) and Teroson, etc.
3M (Minnesota Mining and Manufacturing Company): 3M is a multinational technology company headquartered in the United States. It is one of the world’s leading manufacturers of adhesives and tapes. Its products include various types of pressure-sensitive adhesives, structural adhesives, thermal adhesives, etc. Melt glue and water-based glue, such as Scotch, Double-sided Tape and VHB.
Dow: Dow is a multinational chemical company headquartered in the United States and one of the world’s largest suppliers of adhesive raw materials. Its products include a variety of resins, emulsions, dispersants and additives, used in the manufacture of various Various adhesives, such as Acronal, Plextol and Primal.
Glue America: Glue America is an adhesive manufacturer headquartered in the United States that focuses on providing high-quality hot melt adhesives and water-based adhesives.

As a leading chemical company, at Junyuan Petroleum Group we are committed to providing high-quality and innovative products to our customers around the world. However, delivering chemical samples to different countries and regions is not a simple task. It requires careful planning and execution, as well as compliance with various laws and regulations. To ensure the safety and legality of our sample shipments, we follow these steps: – We identify the type and hazard level of our chemical samples, and whether they need any special permits or certificates. – We choose the appropriate shipping service and mode of transportation, such as air, land or sea, that meet the international or domestic transport rules. – We use proper packaging materials and labels, to prevent leakage, damage or mishandling of our samples. – We fill out complete and accurate shipping documents, including the information of the recipient and the sender, as well as the name, quantity, hazard level and other relevant information of our samples. – We hand over the shipping documents and samples to the shipping service provider, pay the corresponding fees, and track the shipping status. By following these steps, we can ensure that our samples reach our customers in a timely and efficient manner, and that we maintain our reputation as a reliable and trustworthy partner. We are always ready to serve our customers with our best products and services. Some of our most popular products are n-Pentane, Isopentane, Cyclopentane, Blowing Agents, n-Hexane, Isohexane, n-Heptane, n-Butane and Isobutane. These products are widely used in the production of insulation materials, such as Polyurethane (PU) and Polystyrene (PS) foams. They have different properties and advantages, depending on the application and the desired insulation performance¹². For example, Cyclopentane offers an extremely high and lasting insulating effect, as it remains partially in the cells of PU and PIR foams after foaming¹. N-Pentane and Iso-Pentane have a lower insulating effect than Cyclopentane, but they are more stable and the individual cells are firmer and finer². Blowing Agents are mixtures of different Pentanes, which can optimize the costs and foam properties¹. We test these products in our state-of-the-art laboratories, to ensure their quality and safety. We also customize the products according to the specific needs and preferences of our customers. For example, we can adjust the purity, viscosity, boiling point, and flash point of the products, to suit different applications and climates. The typical amount of samples that our customers request is around 250 milliliters, but this may vary depending on the product and the customer’s requirements. We always try to accommodate the requests of our customers, as long as they are reasonable and legal. We also provide technical support and guidance, to help our customers use our products effectively and efficiently.

Source:
(1) Which Pentanes are suitable for the production of insulating materials?
(2) Which Pentane Blowing Agent is Best for Your Application?
(3) Cyclopentane, as a blowing agent in Polyurethane (PU) foams, is the …. https://junyuanpetroleumgroup.com/chemical-manufacturer-supplier-distributor/cyclopentane-as-a-blowing-agent-in-polyurethane-pu-foams-is-the-most-important-raw-material-for-high-performance-insulation-in-refrigerators/.
(4) N-Heptane Vs N-Pentane

Recently, the reporter learned from the Junyuan Petroleum Group that its loading and unloading center has achieved drum packaging of isohexane products after years of renovation and upgrading, improving the safety and quality of the products. It is understood that isohexane is a colorless and odorless volatile liquid, mainly used as a solvent, extractant and fuel additive. The conventional packaging method of isohexane is to use plastic drums or IBC ton barrels, but these packaging containers have disadvantages such as easy damage, leakage, and moisture absorption, affecting the quality and transportation efficiency of the products. To solve this problem, the Group Company’s loading and unloading center introduced advanced isohexane drum packaging equipment, using standard iron drums with a net weight of 132 kg per drum, which have the advantages of high temperature resistance, pressure resistance, corrosion resistance, and good sealing, which can effectively protect the quality and safety of isohexane. At the same time, the loading and unloading center also achieved pipeline connection from the storage tank area to the loading and unloading center, realizing seamless delivery of isohexane, reducing manual operation and pollution risk. According to reports, isohexane drum packaged products can be directly loaded into containers from the factory for sea or land transportation, improving logistics efficiency and transportation costs. A 20-foot container can hold 80 drums, and a 40-foot container can hold 160 drums, respectively holding 10.56 tons and 21.12 tons. At present, the company’s isohexane drum packaged products have been exported to many countries and regions in Europe, America, Asia, etc., and have been well received by customers. The Group Company said that isohexane drum packaging is an important measure for the company to continuously innovate and improve product quality, and also a concrete action for the company to respond to the national green development and environmental protection, and will make positive contributions to the company’s development and social progress.

CAS: 73513-42-5
Molecular Formula: C6H14
Molecular Weight (g/mol): 86.18
MDL Number: MFCD00009406
InChI Key: AFABGHUZZDYHJO-UHFFFAOYSA-NShow Less
Synonym: isohexane, pentane, 2-methyl, 2-methylpentan, 2-methyl pentane, dimethylpropylmethane, 1,1-dimethylbutane, iso-hexane, methyl pentane, unii-49ib0u6mld, 2-methyl-pentaneShow Less
IUPAC Name: 2-methylpentane
SMILES: CCCC(C)C

Specifications
Color: Colorless
UN Number: 1208
Formula Weight: 86.18
Percent Purity: ≥98.0% (GC) and
Quantity: 16MT/ISO Tank container
Physical Form: Clear Liquid at 20°C
Chemical Name or Material: Isohexane (mixture of isomeric branched chain Hexanes)

The price of Isohexane in the Chinese market today 03.06.2023 is CNY 9,000/MT, and the price remains unchanged from the previous day 03.05.2023.

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CAS: 73513-42-5
Molecular Formula: C6H14
Molecular Weight (g/mol): 86.18
MDL Number: MFCD00009406
InChI Key: AFABGHUZZDYHJO-UHFFFAOYSA-NShow Less
Synonym: isohexane, pentane, 2-methyl, 2-methylpentan, 2-methyl pentane, dimethylpropylmethane, 1,1-dimethylbutane, iso-hexane, methyl pentane, unii-49ib0u6mld, 2-methyl-pentaneShow Less
IUPAC Name: 2-methylpentane
SMILES: CCCC(C)C

Specifications
Color: Colorless
UN Number: 1208
Formula Weight: 86.18
Percent Purity: ≥99.0% (GC)
Quantity: 16MT/ISO Tank container
Physical Form: Clear Liquid at 20°C
Chemical Name or Material: Isohexane (mixture of isomeric branched chain Hexanes)