Heptane

It is a straight-chain alkane with a wide range of applications in industrial, laboratory, and manufacturing settings. This webpage provides comprehensive information on heptane, ensuring that users can make informed decisions regarding its purchase and use. With a focus on its chemical characteristics, physical properties, and safety measures, this resource serves as an authoritative guide on heptane.

Chemicals Characteristics

Synonyms: n-Heptane, Dipropyl methane, Heptyl hydride
Chemical Formula: C₇H₁
CAS Number: 142-82-5

Molar Weight

100.20 g/mol

Melting Point

-90.6 °C

Boiling Point

98.4 °C

Flash Point

-4 °C

Density

0.684 g/cc

Forms

Liquid

Entire form

Key Points/Overview

Heptane is a hydrocarbon solvent that is commonly used in industrial applications due to its non-polar nature and relatively low boiling point. It is a component of gasoline and is used as a reference fuel with an octane rating of zero. Heptane is also used in laboratories as a non-polar solvent, particularly in chromatography.

The compound is known for its quick evaporation and ability to dissolve many types of organic compounds, making it a versatile solvent. It is often used in the production of rubber and resins, as well as in the extraction of oils and fats from plant and animal sources.

Heptane is produced through the distillation of crude oil, and its properties make it an important solvent in the paint and coating industry. It is also used as a cleaning agent in various industrial processes.

Uses & Benefits

Industrial Applications:

  • Solvent: Heptane is widely used as a solvent in the production of rubber, resins, and various organic substances.
  • Extraction: It is used in the extraction of oils and fats from plant and animal sources.
  • Paints and Coatings: Heptane is used in the formulation of paints, varnishes, and coatings due to its ability to dissolve many types of organic compounds.

Laboratory Use:

  • Chromatography: Heptane is used as a non-polar solvent in chromatography, aiding in the separation of compounds.
  • Research: It is used in scientific research for various chemical reactions and experiments.

Fuel:

  • Octane Rating: Heptane has an octane rating of zero and is used as a reference fuel in determining the octane rating of gasoline.

Safety Information

Consumer Exposure

Heptane is highly flammable, and it can form explosive mixtures in air. It is important to handle heptane with care, away from open flames and sources of ignition. Proper ventilation is required when using heptane to prevent the buildup of vapors.

Skin and Eye Contact:

  • Irritant: Heptane can cause irritation to the skin and eyes. It is important to wear protective gloves and eyewear when handling heptane.

Inhalation:

  • Respiratory Irritant: Inhalation of heptane vapors can cause respiratory irritation, dizziness, and nausea. It is important to use heptane in a well-ventilated area or wear appropriate respiratory protection.

Ingestion:

  • Harmful if Swallowed: Ingestion of heptane can be harmful and can cause nausea, vomiting, and abdominal pain.

Occupational Exposure

Workers in industries where heptane is used may be exposed to the compound through inhalation or skin contact. Employers must ensure that proper safety measures are in place, including the use of personal protective equipment and proper ventilation, to protect the health and safety of their employees.