Comparison of n-Hexane, n-Heptane, and Isohexane: CAS Numbers, HS Codes, UN Numbers, and Applications
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
| Chemical | CAS Number | HS Code | UN Number |
|---|---|---|---|
| n-Hexane | 110-54-3 | 2901.10 | UN 1208 |
| n-Heptane | 142-82-5 | 2902.20 | UN 1206 |
| Isohexane | 107-83-5 | 2901.10 | UN 1262 |
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.
