Keywords: n-Hexane, n-Heptane, Isohexane, CAS Number, HS Code, UN Number, Applications, Chemical Properties, Industrial Use

Abstract

This article provides a comparative analysis of n-Hexane, n-Heptane, and Isohexane in terms of their CAS numbers, HS codes, UN numbers, and practical applications. These hydrocarbons play crucial roles in industrial solvents, fuel additives, and chemical synthesis. Understanding their regulatory classifications and primary uses enables better decision-making in logistics, trade, and compliance.

Introduction

n-Hexane, n-Heptane, and Isohexane are key hydrocarbons used in various industrial applications, particularly in solvent extraction, chemical synthesis, and fuel formulation. While they share similar structures, their distinct properties define their applications and regulatory classifications.

Chemical Identifiers and Classification

Each compound has a unique CAS number, which serves as an international identifier in chemical databases. Their HS codes categorize them for international trade purposes, ensuring standardized tariffs and trade policies. The UN numbers indicate transportation hazards and are used for classifying hazardous materials under shipping regulations.

Applications

1. n-Hexane

• Widely used as a solvent in industrial processes such as oil extraction, adhesives, and coatings.
• Commonly found in degreasing agents due to its strong solvency properties.
• Frequently used in laboratory settings for chromatography and chemical synthesis.

2. n-Heptane

• Applied in octane rating determination for fuels, particularly in gasoline standardization.
• Used as a non-polar solvent in chemical and pharmaceutical industries.
• Functions as a cleaning agent for electronics and specialized machinery.

3. Isohexane

• Primarily utilized in gasoline blending as a high-performance fuel component.
• Used in polymer manufacturing and synthetic rubber production.
• Commonly found in formulations requiring controlled volatility characteristics.

Conclusion

n-Hexane, n-Heptane, and Isohexane serve distinct roles in industrial applications, yet share common classifications for trade and regulatory purposes. Understanding their CAS numbers, HS codes, and UN numbers aids in navigating logistics and compliance requirements efficiently. The diverse applications of these hydrocarbons reinforce their significance in industries such as fuel refining, chemical processing, and manufacturing.

Strategizing High-Quality Chemical Solutions Amid Shifting Market Dynamics in South Asia

Dongying, China, April 2025 – Junyuan Petroleum Group, a global leader in premium chemical products, is exploring opportunities to meet Pakistan’s growing demand for Hexane. This initiative aligns with the company’s strategic expansion plans across South Asia while maintaining its commitment to delivering high-quality chemical solutions.

In response to the influx of Romanian petroleum-based Hexane priced at $1910-1950/MT CIF, Junyuan Petroleum Group emphasizes its focus on superior-quality offerings designed for premium market segments. “Our products are positioned differently, targeting clients who value quality and reliability over low-cost solutions,” shared David, Sales Manager of Junyuan Petroleum Group.

The company has also clarified its strict payment terms for potential buyers:

• T/T 100% prepayment
• LC at sight with a maximum validity of 90 days.

As the company finalizes its plans, it seeks client input on preferred packaging options for shipments to Karachi, offering flexibility with ISO tanks or steel drums.

This exploration into the Pakistani market underscores Junyuan Petroleum Group’s strategic commitment to expanding its footprint and continuing to lead in high-quality chemical supply and logistics.

For inquiries, please contact: David Zhang, Sales Manager Junyuan Petroleum Group

Discover the power of n-Hexane!  Known for its excellent solvent properties, n-Hexane is a game-changer in the chemical industry. From extraction processes to industrial cleaning, it’s a must-have for efficiency and reliability. Upgrade your operations with n-Hexane today! #ChemicalInnovation #IndustrialSolvent

Junyuan Petroleum Group is one of the Hexane manufacturers, exporters, producers, and suppliers in China

Hexane is an organic compound, a straight-chain alkane with six carbon atoms, and has the molecular formula C6H14. Hexane is a significant constituent of gasoline. It is a colorless liquid, odorless when pure, and with boiling points of approximately 69 °C (156 °F). It is widely used as a cheap, relatively safe, largely unreactive, and easily evaporated nonpolar solvent.

Hexane is an organic compound with a molecular formula of C6H14. It belongs to linear saturated aliphatic hydrocarbons. It is obtained from crude oil cracking and fractionation. It is a colorless liquid with a faint special odor. It is volatile, almost insoluble in water, and easily soluble in chloroform, ether, and ethanol. Mainly used as a solvent, such as vegetable oil extraction solvent, propylene polymerization solvent, rubber and paint solvent, pigment diluent.

It is used for the extraction of various edible oils such as soybeans, rice bran, cottonseeds, and oils in spices. In addition, the isomerization of n-hexane is one of the important processes for producing high-octane gasoline blending component.

The term hexanes refer to a mixture, composed largely (>60%) of hexane, with varying amounts of the isomeric compounds 2-methyl pentane and 3-methyl pentane, and, possibly, smaller amounts of nonisomeric C5, C6, and C7 (cyclo)alkanes. Hexanes are cheaper than hexane and are often used in large-scale operations not requiring a single isomer (e.g., as cleaning solvent or for chromatography).

Uses

In industry, hexanes are used in the formulation of glues for shoes, leather products, and roofing. They are also used to extract cooking oils (such as canola oil or soy oil) from seeds, for cleansing and degreasing a variety of items, and in textile manufacturing. They are commonly used in food-based soybean oil extraction in the United States, and are potentially present as contaminants in all soy food products in which the technique is used; the lack of regulation by the FDA of this contaminant is a matter of some controversy.

A typical laboratory use of hexanes is to extract oil and grease contaminants from water and soil for analysis. Since hexane cannot be easily deprotonated, it is used in the laboratory for reactions that involve very strong bases, such as the preparation of organolithiums. For example, butyllithiums are typically supplied as a hexane solution.

Hexanes are commonly used in chromatography as a non-polar solvent. Higher alkanes present as impurities in hexanes have similar retention times as the solvent, meaning that fractions containing hexane will also contain these impurities. In preparative chromatography, the concentration of a large volume of hexanes can result in a sample that is appreciably contaminated by alkanes. This may result in a solid compound being obtained as an oil and the alkanes may interfere with the analysis.

Used in solvents, extraction, organic synthesis, cleaning in the electronics industry, as an extractant in the pharmaceutical industry, and also as an extractant for edible vegetable oils.

Mainly used as a solvent, such as vegetable oil extraction solvent, propylene polymerization solvent, rubber and paint solvent, pigment diluent. It is used for the extraction of various edible oils such as soybeans, rice bran, cottonseeds, and other spices. In addition, it is also a high-octane fuel.

Determination of moisture in methanol. UV spectrum analysis. Pesticide residue analysis. High-performance liquid chromatography. Gas chromatographic analysis standard. Biochemical research, protein sequence analysis.

Determine the refractive index of minerals. Organic Synthesis. Replace mercury in thermometers.

Used as analytical reagent and solvent.

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