C12H9N
167.21 g/mol
Industrial ChemicalWarning
9H-Carbazole
CAS86-74-8EC201-696-0
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Dye intermediate and rubber antioxidant
9H-Carbazole is an aromatic heterocyclic organic compound used as a dye intermediate and rubber antioxidant. It is also employed in the manufacture of insecticides, lubricants, explosives, and as a UV sensitizer for photographic plates.
Dye intermediateRubber antioxidantUV sensitizer for photographic plates
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 86-74-8
Related Compounds
SimilarStructure SimilarSimilarity 0.78
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Chemical intermediate
Referencestereoisomer of
(1,2,3,4,5,6,7,8-2H8)-9H-carbazole
CAS38537-24-5
research compound
Safety Reference
Warning
H315Causes skin irritation
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life
H373May cause damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
H340May cause genetic defects
Customs Tariff Classification
The international HS code for 9H-Carbazole (CAS 86-74-8) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
9H-carbazole
InChIKey
UJOBWOGCFQCDNV-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C3=CC=CC=C3N2
Synonyms (22)
- 9CA
- 9-Azafluorene
- 9H-Carbazole
- 9H-carbazole-d8 (9ci)
- Carbazole
- Carbazole (High Purity)
- Carbazole, >=95% (GC)
- Carbazole, VETRANAL(TM)
- Carbazole, extra pure
- Carvedilol Carbazole Impurity
- Chlorophenesin carbamate
- Dibenzo[b,d]pyrrole
- Dibenzopyrrole
- Diphenyleneimine
- Diphenylenimide
- Diphenylenimine
- USAF EK-600
- diphenyleneimide
- para-carbazole