C12H8Br2
312 g/mol
Industrial ChemicalDanger
4,4'-DIBROMOBIPHENYL
CAS92-86-4EC202-198-6
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Industrial chemical intermediate
4,4'-Dibromobiphenyl is a brominated biphenyl compound commonly used as an intermediate in industrial chemical synthesis. Its structure consists of two benzene rings linked by a single bond, each substituted with a bromine atom at the para position.
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 92-86-4
Related Compounds
StrongStructure SimilarSimilarity 1.00
4,4''-Dibromo-p-terphenyl
CAS17788-94-2
Organic electronic material intermediate
SimilarStructure SimilarSimilarity 0.79
1,3,5-Tris(4-bromophenyl)benzene
CAS7511-49-1
research compound
SimilarStructure SimilarSimilarity 0.73
1,4-dibromobenzene
CAS106-37-6
Organic synthesis intermediate
ReferenceSame Category
4,4'-biphenyldiol
CAS92-88-6
monomer for plastic production
ReferenceSame Category
P-terphenyl
CAS92-94-4
heat transfer media and lubricant production
ReferenceSame Category
2-chloroacrylonitrile
CAS920-37-6
Chemical intermediate for polymer production
ReferenceSame Category
Methacryloyl chloride
CAS920-46-7
monomer for polymer synthesis
Referencestereoisomer of
4,4'-dibromobiphenyl-d8
CAS80523-79-1
research compound
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
H351Suspected of causing cancer
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 4,4'-DIBROMOBIPHENYL (CAS 92-86-4) is 2903.99.
HS code (international, 6-digit)
2903.99
EU CN code (8-digit)
2903 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
1-bromo-4-(4-bromophenyl)benzene
InChIKey
HQJQYILBCQPYBI-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C2=CC=C(C=C2)Br)Br
Synonyms (19)
- 1, 4,4'-dibromo-
- 1,1'-Biphenyl, 4,4'-dibromo-
- 4,4'-DIBROMOBIPHENYL
- 4,4'-DIBROMODIPHENYL-D8
- 4,4'-Dibromo-1,1'-biphenyl
- 4,4'-Dibromobiphenyl (PBB 15)
- 4,4'-Dibromobiphenyl solution
- 4,4'-Dibromodiphenyl
- Biphenyl, 4,4'-dibromo-
- Biphenyl,4'-dibromo-
- PBB 15
- PBB No. 15
- p,p'-Dibromobiphenyl