C

Cyclohexene

IUPAC: cyclohexene

C6H10 Organic Compounds CAS 110-83-8
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Quick Reference
Formula / NotationC6H10
CAS Number110-83-8
Molecular Weight82.14
Melting Point-154 °F (NIOSH, 2024)
Boiling Point181 °F at 760 mmHg (NIOSH, 2024)
Density0.81 (NIOSH, 2024) - Less dense than water; will float
SolubilityInsoluble (NIOSH, 2024)
AppearanceCyclohexene appears as a colorless liquid. Insoluble in water and less dense than water. Flash point 20 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. U...
Also Known As110-83-8; Tetrahydrobenzene; Cyclohex-1-ene; Benzene tetrahydride; 1,2,3,4-Tetrahydrobenzene; Benzenetetrahydride; Hexanaphthylene; Cykloheksen; Benzene, tetrahydro-; 3,4,5,6-Tetrahydrobenzene
CategoryOrganic Compounds

What is Cyclohexene?

Cyclohexene (C6H10) is an organic compound that appears as Cyclohexene appears as a colorless liquid. Insoluble in water and less dense than water. Flash point 20 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. U.... It has a molecular weight of 82.14 g/mol. Boiling point: 181 °F at 760 mmHg (NIOSH, 2024). Melting point: -154 °F (NIOSH, 2024).

Formula & Notation

C6H10

IUPAC Name: cyclohexene

Other Names / Synonyms: 110-83-8; Tetrahydrobenzene; Cyclohex-1-ene; Benzene tetrahydride; 1,2,3,4-Tetrahydrobenzene; Benzenetetrahydride; Hexanaphthylene; Cykloheksen; Benzene, tetrahydro-; 3,4,5,6-Tetrahydrobenzene

Properties & Characteristics

Appearance: Cyclohexene appears as a colorless liquid. Insoluble in water and less dense than water. Flash point 20 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. U.... Molecular formula: C6H10. Molecular weight: 82.14 g/mol. Boiling point: 181 °F at 760 mmHg (NIOSH, 2024). Melting point: -154 °F (NIOSH, 2024). Density: 0.81 (NIOSH, 2024) - Less dense than water; will float. Solubility: Insoluble (NIOSH, 2024). Vapor pressure: 67 mmHg (NIOSH, 2024). LogP: 2.9.

Physical Data

PropertyValue
Melting Point-154 °F (NIOSH, 2024)
Boiling Point181 °F at 760 mmHg (NIOSH, 2024)
Density0.81 (NIOSH, 2024) - Less dense than water; will float
Molecular Weight82.14
SolubilityInsoluble (NIOSH, 2024)
AppearanceCyclohexene appears as a colorless liquid. Insoluble in water and less dense than water. Flash point 20 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. U...

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 Cyclohexene
Formula C6H10
CAS Number 110-83-8
Molecular Weight 82.14
Synonyms 110-83-8; Tetrahydrobenzene; Cyclohex-1-ene; Benzene tetrahydride; 1,2,3,4-Tetrahydrobenzene; Benzenetetrahydride; Hexanaphthylene; Cykloheksen; Benzene, tetrahydro-; 3,4,5,6-Tetrahydrobenzene

Frequently Asked Questions

Cyclohexene (C6H10) is an organic compound that appears as Cyclohexene appears as a colorless liquid. Insoluble in water and less dense than water. Flash point 20 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. U.... It has a molecular weight of 82.14 g/mol. Boiling point: 181 °F at 760 mmHg (NIOSH, 2024). Melting point: -154 °F (NIOSH, 2024).

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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.