n-Heptane is a pure form of heptane, a common solvent and fuel component. It has a special role in measuring the octane rating of gasoline and in separating chiral compounds.

Heptane is a simple organic compound with the chemical formula C$_7$H$_{16}$. It is a colorless liquid that smells like gasoline and is highly flammable. Heptane is widely used as a solvent in laboratories and industries, as it can dissolve many non-polar substances. It is also a component of gasoline, as it can be easily refined from crude oil.

However, not all heptane molecules are the same. There are different ways to arrange the seven carbon atoms and the 16 hydrogen atoms in a heptane molecule, resulting in different shapes and properties. These different forms of heptane are called isomers, and there are nine of them in total.

One of the isomers of heptane is n-heptane, which stands for normal heptane. This is the simplest and most symmetrical form of heptane, where the seven carbon atoms are arranged in a straight chain. n-Heptane has some unique characteristics that make it important for chemistry.

First, n-heptane is the standard for measuring the octane rating of gasoline. The octane rating is a measure of how well a fuel can resist knocking, which is a phenomenon where the fuel ignites too early in the engine, causing damage and reducing efficiency. n-Heptane is very prone to knocking, as it burns very quickly and explosively. Therefore, it is assigned a octane rating of zero, meaning the worst possible fuel for an engine. On the other hand, iso-octane, another isomer of octane (C$_8$H$_{18}$), is very resistant to knocking, as it burns more slowly and smoothly. Therefore, it is assigned a octane rating of 100, meaning the best possible fuel for an engine. Other fuels are compared to these two extremes, and their octane rating is calculated as the percentage of iso-octane in a mixture with n-heptane that has the same knocking behavior. For example, a gasoline with an octane rating of 87 means that it behaves like a mixture of 87% iso-octane and 13% n-heptane.

Second, n-heptane is useful for separating chiral compounds. Chiral compounds are molecules that have two forms that are mirror images of each other, like your left and right hands. These forms are called enantiomers, and they can have different effects on living organisms. For example, one enantiomer of a drug may be beneficial, while the other may be harmful. Therefore, it is important to be able to separate and identify the enantiomers of a chiral compound. One way to do this is by using a chiral column, which is a tube filled with a material that can distinguish between the enantiomers. The chiral compound is dissolved in a solvent, such as n-heptane, and passed through the column. The enantiomers will interact differently with the material, and will come out of the column at different times. This is called chromatography, and it is a widely used technique for separating and analyzing mixtures.

n-Heptane is a good solvent for chiral chromatography, as it is non-polar and does not interfere with the interactions between the enantiomers and the material. However, n-heptane alone is not enough to separate the enantiomers, as it may not have enough eluting power, which is the ability to push the compounds through the column. Therefore, n-heptane is often mixed with other solvents, such as ethanol or isopropanol, which have more eluting power and can affect the selectivity and resolution of the separation. The choice of the solvent mixture is a key step in chiral analysis, and it depends on the properties of the chiral compound and the column material.

In summary, n-heptane is a pure form of heptane, a common solvent and fuel component. It has a special role in measuring the octane rating of gasoline and in separating chiral compounds. n-Heptane is an example of how a simple molecule can have important applications in chemistry and beyond.

n-Heptane is a chemical compound with the formula C7H16, consisting of a chain of seven carbon atoms and 16 hydrogen atoms. It is a colorless, flammable liquid that belongs to the group of alkanes, which are the simplest and most common type of hydrocarbons. N-Heptane is widely used as a solvent in various industries, such as paints, coatings, adhesives, pharmaceuticals, and oil extraction. It is also used as a reference fuel to measure the octane rating of gasoline, as it has the lowest octane number of zero. This means that n-heptane burns more easily and causes engine knocking, which is a problem for gasoline engines. Therefore, gasoline is blended with other hydrocarbons that have higher octane numbers to prevent knocking and improve engine performance.

N-Heptane is mainly produced from the refining of crude oil, which is a complex mixture of different hydrocarbons. N-Heptane can be separated from crude oil by a process called fractional distillation, which involves heating the crude oil and collecting the different fractions that boil at different temperatures. N-Heptane is one of the components of the light naphtha fraction, which boils between 30°C and 200°C. N-Heptane can also be synthesized from other hydrocarbons, such as ethylene, propylene, and butane, by a process called oligomerization, which involves combining smaller molecules into larger ones.

The supply and demand of n-heptane are influenced by various factors, such as the price and availability of crude oil, the demand from downstream industries, the environmental regulations, and the geopolitical situations. The price of n-heptane is closely linked to the price of crude oil, as it is one of the main raw materials for its production. The price of crude oil is determined by the balance between the global supply and demand, as well as the market expectations and speculations. The supply of crude oil depends on the production capacity and output of the major oil-producing countries, such as Saudi Arabia, Russia, and the United States. The demand for crude oil depends on the economic growth and energy consumption of the major oil-consuming countries, such as China, India, and the European Union. The price of crude oil can also be affected by unexpected events, such as natural disasters, wars, and sanctions, that disrupt the normal production and transportation of oil.

The demand for n-heptane is driven by the demand from the downstream industries that use it as a solvent or a fuel additive. The demand for n-heptane can vary depending on the season, the region, and the industry. For example, the demand for n-heptane as a solvent for paints and coatings can increase in the summer, when the construction and renovation activities are more active. The demand for n-heptane as a solvent for oil extraction can increase in the winter, when the viscosity of the crude oil is higher and needs to be reduced for easier pumping. The demand for n-heptane can also differ across regions, depending on the local preferences and regulations for gasoline quality. For example, some countries, such as China and India, have stricter standards for gasoline octane rating, which require more n-heptane to be blended with gasoline to lower its octane number and reduce its emissions.

The supply and demand of n-heptane can also be influenced by the environmental regulations and policies that aim to reduce the greenhouse gas emissions and improve the air quality. These regulations and policies can affect the production and consumption of n-heptane in different ways. For example, some regulations, such as the Clean Air Act in the United States, can limit the amount of n-heptane that can be used as a solvent or a fuel additive, as it contributes to the formation of ozone and smog, which are harmful to human health and the environment. On the other hand, some policies, such as the Renewable Fuel Standard in the United States, can encourage the use of n-heptane as a solvent or a fuel additive, as it can help to increase the blending of biofuels, such as ethanol and biodiesel, with gasoline and diesel, which are more environmentally friendly.

The challenge of n-heptane supply is to balance the supply and demand of this important chemical compound in a volatile and uncertain market. The producers and consumers of n-heptane need to monitor the market trends and dynamics, and adjust their production and procurement strategies accordingly. The producers of n-heptane need to optimize their production capacity and output, and diversify their sources of raw materials and markets. The consumers of n-heptane need to secure their supply contracts and inventories, and explore alternative solvents and fuels. The governments and regulators need to provide clear and consistent policies and regulations, and foster cooperation and coordination among the stakeholders. The researchers and innovators need to develop new and improved technologies and processes, and discover new and better applications and uses of n-heptane.

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Price trend of n-Heptane in Chinese market – 03.05.2023

Forecast of the latest market trend of n-Heptane price, Junyuan Petroleum Group’s exclusive report:

Today, the average price of n-Heptane in China is 13,000 CNY/MT, and the price on the previous quotation day was 12,500 CNY/MT, which is -3.70% lower than the price on the previous quotation day.

The above is the latest price forecast of n-Heptane in China today. The data comes from the data center of Junyuan Petroleum Group Marketing Department and is for reference only.

US Dollar to Chinese Yuan Exchange Rate

US Dollar to Chinese Yuan Exchange Rate is at a current level of 6.910, up from 6.865 the previous market day and up from 6.317 one year ago.

n-Heptane, 99%, for analysis, Junyuan Petroleum Group

Chemical Identifiers

CAS: 142-82-5

IUPAC Name: heptane

Molecular Formula: C7H16

InChI Key: IMNFDUFMRHMDMM-UHFFFAOYSA-N

SMILES: CCCCCCC

Molecular Weight (g/mol): 100.21

Synonym: heptane N-heptane eptani skellysolve C dipropyl methane gettysolve-C hsdb 90

MDL Number: MFCD00009544

Specifications

Specification Sheet

GC: >=99%

Bromine number: =<0.5

Copper (Cu): =<0.02 ppm

Total sulfur (S): =<0.001 %

Water: =<0.02 % (K.F.)

Appearance (Form): Clear liquid

Why Buy n-Heptane 99.9% High Purity Grade from Junyuan Petroleum Group

•Price. Don’t worry! We are the largest manufacturer of n-Heptane in China. The price is adjusted and updated in real time according to the cost price every day, and the price is the most competitive. This product is offered at the industry’s lowest possible price.

•Availability. In-Stock. This product is in stock and ready to ship. Orders are usually shipped in 72 hours.

•Deliverability. Fast Shipping! This product is packaged in 137KG steel drums and 16.8 MT ISO Tank container.

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2021/02/02. USD TO CNY TODAY.
Actual USD to CNY exchange rate equal to 6.4590 Chinese Yuans per 1 Dollar. Today's range: 6.4550-6.4610. Previous day close: 6.4570. Change for today +0.0020, +0.03%. 
Compared with the previous day, the price of n-Hexane increased by 1.18%. The production of n-Pentane, Isopentane, n-Hexane and n-Heptane is stable. Our company has a large quantity of n-Pentane, 95%, n-Hexane, 60% ~99% and n-Heptane, 99% in stock. 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

Product Details:

n-Heptane.
Synonyms & Trade Names: Heptane, normal-Heptane
CAS No. 142-82-5
RTECS No. MI7700000.
DOT ID & Guide. 1206 128.
Formula.: CH₃[CH₂]₅CH₃

Application: n-Heptane is a straight-chain alkane consisting of seven carbons that is widely used as a completely non-polar solvent.n-Heptane is sometimes chosen as a less toxic option to the traditional hexane in appropriate processes.In liquid form, n-Heptane is very easy to transport and store.

Compatibility: Heptane is incompatible with strong oxidizing agents.

1) n-Heptane: content > 99%, UN No: 1206, with colorless, tasteless, non-toxic environmental characteristics, product uses: this product is mainly used in pesticide intermediates, pharmaceutical intermediates, fine chemicals, etc., which can replace toluene, improve the purity of intermediate products.
2) n-Heptane: used in chemical reagents.
3) Industrial grade n-Heptane: content > 99%, CN No: 32006, with colorless, tasteless, non-toxic environmental characteristics, product use: This product is mainly used in pesticide intermediates, pharmaceutical intermediates, fine chemicals, etc., can replace toluene, improve the purity of intermediate products.
4) PVC special n-Heptane: content > 99%, used in chlor alkali industry thermal converter (Domestic Users: Inner Mongolia Yili Chemical Industry Co., Ltd., Inner Mongolia Haiji Chlor Alkali Chemical Co., Ltd., Henan Pingmei chlor alkali Co., Ltd., Shandong Binzhou Marine Chemical Co., Ltd.).

Octane

• Molecular FormulaC₈H₁₈
• Average mass114.229 Da
• Monoisotopic mass114.140854 Da

Heptane

• Molecular FormulaC₇H₁₆
• Average mass100.202 Da
• Monoisotopic mass100.125198 Da

Pentane

• Molecular FormulaC₅H₁₂
• Average mass72.149 Da
• Monoisotopic mass72.093903 Da

Isopentane

• Molecular FormulaC₅H₁₂
• Average mass72.149 Da
• Monoisotopic mass72.093903 Da

Isohexane

• Molecular FormulaC₆H₁₄
• Average mass86.175 Da
• Monoisotopic mass86.109550 Da