Heptane – High-Purity Industrial Solvent
Introduction
Heptane is a colorless, volatile, aliphatic hydrocarbon widely used as an industrial solvent and laboratory reagent. It belongs to the alkane family and is valued for its strong dissolving properties for oils, greases, and various nonpolar substances. N-Heptane, the straight-chain form of heptane, has the chemical formula C₇H₁₆, a CAS number of 142-82-5, and a molecular weight of approximately 100.20 g/mol. Commercial heptane products may contain different isomers or hydrocarbon mixtures, so the exact composition should be confirmed according to the required application.
Industrial Applications
Heptane is widely used in laboratory testing, chemical manufacturing, extraction processes, and industrial cleaning. It serves as a solvent for oils, waxes, resins, and other nonpolar materials. It is also used in selected pharmaceutical and analytical laboratories, adhesive and coating formulations, and as a reference compound in octane-rating applications. The appropriate grade depends on purity, composition, and the intended industrial or laboratory use.
Key Benefits
- Effective Solvent: Dissolves many oils, greases, waxes, and nonpolar organic compounds.
- Fast Evaporation: Its volatility makes it suitable for applications requiring relatively quick solvent removal.
- Industrial Versatility: Used in cleaning, extraction, laboratory analysis, and selected manufacturing processes.
- Available in Different Grades: Commercial products can be selected according to purity and application requirements.
- Useful Laboratory Reagent: N-Heptane is used in analytical procedures and specialized testing applications.
Product Specifications
| Property | Details |
|---|---|
| Product Name | Heptane |
| Alternative Name | N-Heptane (for the straight-chain isomer) |
| Chemical Formula | C₇H₁₆ |
| CAS Number | 142-82-5 for N-Heptane |
| Molecular Weight | 100.20 g/mol |
| Appearance | Clear, colorless liquid |
| Odor | Gasoline-like hydrocarbon odor |
| Physical Form | Liquid |
| Solubility in Water | Practically insoluble |
| Boiling Point | Approximately 98°C for N-Heptane |
| Grade | Industrial, laboratory, or high-purity grade |
| Packaging | As per supplier specifications |
Storage and Handling
Heptane is a highly flammable liquid and vapor. Keep it away from heat, sparks, open flames, and other ignition sources. Use it in a well-ventilated area and avoid breathing vapors or allowing contact with skin and eyes. Store in tightly closed, appropriately labelled containers in a cool, designated flammable-liquid storage area. Prevent releases into drains and the environment. N-Heptane can cause dizziness or drowsiness, and aspiration into the lungs can be fatal if swallowed. Follow the product-specific Safety Data Sheet (SDS), applicable workplace procedures, and local regulations.
Quality and Supply
Heptane is available in different commercial grades to meet industrial, analytical, and laboratory requirements. Before ordering, confirm the product composition, purity, isomer profile, and relevant impurity limits. A Certificate of Analysis (COA) and Safety Data Sheet (SDS) should be requested to verify specifications and support appropriate handling.
Conclusion
Heptane is a versatile hydrocarbon solvent used across industrial processing, laboratory analysis, cleaning, and extraction applications. Its solvent performance and volatility make it useful for a wide range of processes. Selecting the correct grade and confirming whether the requirement is for N-heptane or a commercial heptane mixture helps ensure suitability for the intended application.
