C

Cyclohexylamine

IUPAC: cyclohexanamine

C6H13N Bases & Alkalis CAS 108-91-8
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Quick Reference
Formula / NotationC6H13N
CAS Number108-91-8
Molecular Weight99.17
Melting Point0.1 °F (EPA, 1998)
Boiling Point274.1 °F at 760 mmHg (EPA, 1998)
Density0.8647 at 77 °F (EPA, 1998) - Less dense than water; will float
SolubilityVery soluble (NTP, 1992)
AppearanceCyclohexylamine appears as a clear colorless to yellow liquid with an odor of ammonia. Flash point 90 °F. Irritates the eyes and respiratory system. Skin contact may cause burns. Less dense than w...
Also Known Ascyclohexanamine; Cyclohexanamine; 108-91-8; Aminocyclohexane; Hexahydroaniline; Hexahydrobenzenamine; Aminohexahydrobenzene; 1-Cyclohexylamine; 1-Aminocyclohexane; Aniline, hexahydro-
CategoryBases & Alkalis

What is Cyclohexylamine?

Cyclohexylamine is a primary aliphatic amine consisting of cyclohexane carrying an amino substituent. It has a role as a mouse metabolite and a human xenobiotic metabolite. It is a conjugate base of a cyclohexylammonium.

Formula & Notation

C6H13N

IUPAC Name: cyclohexanamine

Other Names / Synonyms: cyclohexanamine; Cyclohexanamine; 108-91-8; Aminocyclohexane; Hexahydroaniline; Hexahydrobenzenamine; Aminohexahydrobenzene; 1-Cyclohexylamine; 1-Aminocyclohexane; Aniline, hexahydro-

Properties & Characteristics

Appearance: Cyclohexylamine appears as a clear colorless to yellow liquid with an odor of ammonia. Flash point 90 °F. Irritates the eyes and respiratory system. Skin contact may cause burns. Less dense than w.... Molecular formula: C6H13N. Molecular weight: 99.17 g/mol. Boiling point: 274.1 °F at 760 mmHg (EPA, 1998). Melting point: 0.1 °F (EPA, 1998). Density: 0.8647 at 77 °F (EPA, 1998) - Less dense than water; will float. Solubility: Very soluble (NTP, 1992). Vapor pressure: 11 mmHg (NIOSH, 2024). LogP: 1.5.

Physical Data

PropertyValue
Melting Point0.1 °F (EPA, 1998)
Boiling Point274.1 °F at 760 mmHg (EPA, 1998)
Density0.8647 at 77 °F (EPA, 1998) - Less dense than water; will float
Molecular Weight99.17
SolubilityVery soluble (NTP, 1992)
AppearanceCyclohexylamine appears as a clear colorless to yellow liquid with an odor of ammonia. Flash point 90 °F. Irritates the eyes and respiratory system. Skin contact may cause burns. Less dense than w...

Uses & Applications

Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.

Safety Information

Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.

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

Key Facts

Term Cyclohexylamine
Formula C6H13N
CAS Number 108-91-8
Molecular Weight 99.17
Category Bases & Alkalis
Synonyms cyclohexanamine; Cyclohexanamine; 108-91-8; Aminocyclohexane; Hexahydroaniline; Hexahydrobenzenamine; Aminohexahydrobenzene; 1-Cyclohexylamine; 1-Aminocyclohexane; Aniline, hexahydro-

Frequently Asked Questions

Cyclohexylamine is a primary aliphatic amine consisting of cyclohexane carrying an amino substituent. It has a role as a mouse metabolite and a human xenobiotic metabolite. It is a conjugate base of a cyclohexylammonium.

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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.