C

Cyclohexane

IUPAC: cyclohexane

C6H12 Organic Compounds CAS 110-82-7
Expert Written | Fact Checked | Sources Cited | AllChemicals Editorial Team
Quick Reference
Formula / NotationC6H12
CAS Number110-82-7
Molecular Weight84.16
Melting Point43.7 °F (NTP, 1992)
Boiling Point177.3 °F at 760 mmHg (NTP, 1992)
Density0.779 at 68 °F (USCG, 1999) - Less dense than water; will float
Solubilityless than 1 mg/mL at 63 °F (NTP, 1992)
AppearanceCyclohexane appears as a clear colorless liquid with a petroleum-like odor. Used to make nylon, as a solvent, paint remover, and to make other chemicals. Flash point -4 °F. Density 6.5 lb / gal (l...
Also Known As110-82-7; Hexamethylene; Hexahydrobenzene; Hexanaphthene; Cyclohexan; Cykloheksan; Benzene, hexahydro-; Cicloesano; Cyclohexaan; Benzenehexahydride
CategoryOrganic Compounds

What is Cyclohexane?

Cyclohexane is an alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. It has a role as a non-polar solvent. It is a volatile organic compound and a cycloalkane.

Formula & Notation

C6H12

IUPAC Name: cyclohexane

Other Names / Synonyms: 110-82-7; Hexamethylene; Hexahydrobenzene; Hexanaphthene; Cyclohexan; Cykloheksan; Benzene, hexahydro-; Cicloesano; Cyclohexaan; Benzenehexahydride

Properties & Characteristics

Appearance: Cyclohexane appears as a clear colorless liquid with a petroleum-like odor. Used to make nylon, as a solvent, paint remover, and to make other chemicals. Flash point -4 °F. Density 6.5 lb / gal (l.... Molecular formula: C6H12. Molecular weight: 84.16 g/mol. Boiling point: 177.3 °F at 760 mmHg (NTP, 1992). Melting point: 43.7 °F (NTP, 1992). Density: 0.779 at 68 °F (USCG, 1999) - Less dense than water; will float. Solubility: less than 1 mg/mL at 63 °F (NTP, 1992). Vapor pressure: 95 mmHg at 68 °F ; 100 mmHg at 77.9 °F (NTP, 1992). LogP: 3.4.

Physical Data

PropertyValue
Melting Point43.7 °F (NTP, 1992)
Boiling Point177.3 °F at 760 mmHg (NTP, 1992)
Density0.779 at 68 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight84.16
Solubilityless than 1 mg/mL at 63 °F (NTP, 1992)
AppearanceCyclohexane appears as a clear colorless liquid with a petroleum-like odor. Used to make nylon, as a solvent, paint remover, and to make other chemicals. Flash point -4 °F. Density 6.5 lb / gal (l...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Cyclohexane
Formula C6H12
CAS Number 110-82-7
Molecular Weight 84.16
Synonyms 110-82-7; Hexamethylene; Hexahydrobenzene; Hexanaphthene; Cyclohexan; Cykloheksan; Benzene, hexahydro-; Cicloesano; Cyclohexaan; Benzenehexahydride

Frequently Asked Questions

Cyclohexane is an alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. It has a role as a non-polar solvent. It is a volatile organic compound and a cycloalkane.

More "C" Terms

View all "C" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.