C13H10
166.22 g/mol
Industrial ChemicalWarning
9H-Fluorene
CAS86-73-7EC201-695-5
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
production of resins and dyes
9H-Fluorene is an organic compound that forms white crystals with an aromatic odor similar to naphthalene. Its name derives from the violet fluorescence it exhibits, and it is used in the production of resins and dyes.
production of resinsproduction of dyes
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:EU REACH Restriction List
CAS 86-73-7
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CAS86-74-8
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Referencestereoisomer of
Fluorene-d10
CAS81103-79-9
research compound
Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Regulatory Compliance1
- EU REACH Restriction ListEURegulationRestrictedSource
Customs Tariff Classification
The international HS code for 9H-Fluorene (CAS 86-73-7) is 2902.90.
HS code (international, 6-digit)
2902.90
EU CN code (8-digit)
2902 90 00
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-fluorene
InChIKey
NIHNNTQXNPWCJQ-UHFFFAOYSA-N
SMILES
C1C2=CC=CC=C2C3=CC=CC=C31
Synonyms (23)
- 9FL
- 2,2'-Methylenebiphenyl
- 2,3-Benzindene
- 9H-Fluorene
- 9H-fluorene;fluorene
- Diphenylenemethane
- Fluoren
- Fluorene
- Fluorene (Standard)
- Fluorene, >=99.0% (HPLC)
- Fluorene, Reagent
- Methane, diphenylene-
- flourene
- o-Biphenylenemethane
- o-Biphenylmethane