Heptane

Basic Information of Heptane

Heptane (CAS No. 142-82-5) is a colorless, highly flammable liquid with a gasoline-like odor. As a non-polar solvent, it finds extensive use in applications requiring a hydrocarbon with specific boiling points and solvency characteristics, ranging from industrial formulations to analytical chemistry.

CAS No.:	142-82-5
EC No.:	205-563-8
Linear Formula:	C₇H₁₆
Molecular Weight:	100.2
Appearance:	Clear, colorless liquid
Melting Point:	−91 °C(lit.)
Density:	0.684 g/mL at 20 °C
RIDADR:	UN 1206 3/PG 2
Chemical Structure:

Key Applications of Heptane (n-Heptane)

n-Heptane is a widely used linear hydrocarbon solvent valued for its controlled evaporation profile and strong solvency toward non-polar substances. For a broader overview of hydrocarbon materials and industrial roles, refer to our industrial hydrocarbons guide.

• Industrial Solvent: Widely used in paints, coatings, adhesives, and ink formulations due to its solvency strength and predictable evaporation behavior. For solvent selection considerations, see hydrocarbon solvents for industrial cleaning and extraction.

• Pharmaceutical & Chemical Synthesis: Serves as a reaction, extraction, or crystallization solvent in the manufacture of active pharmaceutical ingredients (APIs) and fine chemicals where controlled boiling range is required.

• Octane Rating Reference Standard: n-Heptane is assigned an octane rating of 0 and is used together with isooctane (rated 100) as a primary reference fuel system to determine gasoline octane numbers.

• Laboratory Reagent: Utilized in analytical chemistry, including gas chromatography and spectroscopy, as well as in extraction and dilution procedures requiring low residue.

• Rubber & Plastics Processing: Employed as a solvent or diluent in selected rubber and plastics manufacturing operations.

For structured guidance on selecting the appropriate hydrocarbon solvent for industrial use, review our hydrocarbon solvent selection guide.

• Global Supply Chain: Our extensive logistics network guarantees efficient and secure delivery of Heptane to your facilities worldwide, in full compliance with international shipping regulations.

• Commitment to Safety: We adhere to the highest safety standards for the handling, storage, and transportation of this flammable liquid, providing complete Safety Data Sheets (SDS) and necessary dangerous goods documentation.

• Dedicated Customer Support: Our knowledgeable team is always available to provide technical insights and assist with your ordering and logistical requirements.

Hazards Classification

• GHS Classification: Flammable Liquid (GHS02), Health Hazard (GHS08), Environmental Hazard (GHS09)

• Hazard Statements: Highly flammable liquid and vapor; may cause drowsiness or dizziness; may cause damage to organs through prolonged or repeated exposure; toxic to aquatic life with long lasting effects.

• UN Number: UN 1208

• Hazard Class: 3 (Flammable Liquids)

• Packing Group: II