C

Carbazole

IUPAC: 9H-carbazole

C12H9N Organic Compounds CAS 86-74-8
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Quick Reference
Formula / NotationC12H9N
CAS Number86-74-8
Molecular Weight167.21
Melting Point473 to 475 °F (NTP, 1992)
Boiling Point671 °F at 760 mmHg (NTP, 1992)
Density1.1 at 64 °F (NTP, 1992) - Denser than water; will sink
Solubilityless than 1 mg/mL at 66 °F (NTP, 1992)
AppearanceCarbazole appears as white crystals, plates, leaflets or light tan powder. Sublimes readily. Exhibits strong fluorescence and long phosphorescence on exposure to ultraviolet light. (NTP, 1992)
Also Known As9H-carbazole; 9H-Carbazole; 86-74-8; Dibenzopyrrole; Diphenylenimine; 9-Azafluorene; Diphenylenimide; Diphenyleneimine; Dibenzo[b,d]pyrrole; USAF EK-600
CategoryOrganic Compounds

What is Carbazole?

Carbazole can cause cancer according to The Environmental Protection Agency (EPA).

Formula & Notation

C12H9N

IUPAC Name: 9H-carbazole

Other Names / Synonyms: 9H-carbazole; 9H-Carbazole; 86-74-8; Dibenzopyrrole; Diphenylenimine; 9-Azafluorene; Diphenylenimide; Diphenyleneimine; Dibenzo[b,d]pyrrole; USAF EK-600

Properties & Characteristics

Appearance: Carbazole appears as white crystals, plates, leaflets or light tan powder. Sublimes readily. Exhibits strong fluorescence and long phosphorescence on exposure to ultraviolet light. (NTP, 1992). Molecular formula: C12H9N. Molecular weight: 167.21 g/mol. Boiling point: 671 °F at 760 mmHg (NTP, 1992). Melting point: 473 to 475 °F (NTP, 1992). Density: 1.1 at 64 °F (NTP, 1992) - Denser than water; will sink. Solubility: less than 1 mg/mL at 66 °F (NTP, 1992). Vapor pressure: 400 mmHg at 613 °F (NTP, 1992). LogP: 3.7.

Physical Data

PropertyValue
Melting Point473 to 475 °F (NTP, 1992)
Boiling Point671 °F at 760 mmHg (NTP, 1992)
Density1.1 at 64 °F (NTP, 1992) - Denser than water; will sink
Molecular Weight167.21
Solubilityless than 1 mg/mL at 66 °F (NTP, 1992)
AppearanceCarbazole appears as white crystals, plates, leaflets or light tan powder. Sublimes readily. Exhibits strong fluorescence and long phosphorescence on exposure to ultraviolet light. (NTP, 1992)

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 Carbazole
Formula C12H9N
CAS Number 86-74-8
Molecular Weight 167.21
Synonyms 9H-carbazole; 9H-Carbazole; 86-74-8; Dibenzopyrrole; Diphenylenimine; 9-Azafluorene; Diphenylenimide; Diphenyleneimine; Dibenzo[b,d]pyrrole; USAF EK-600

Frequently Asked Questions

Carbazole can cause cancer according to The Environmental Protection Agency (EPA).

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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.