C18H12O2
260.3 g/mol
Industrial ChemicalDanger
2,5-Diphenyl-1,4-benzoquinone
CAS844-51-9EC212-680-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
industrial intermediate for dyes and pigments
2,5-Diphenyl-1,4-benzoquinone is an industrial chemical used primarily as an intermediate in the production of dyes and pigments.
intermediate for dyes and pigments
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.
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Related Compounds
ReferenceSame Category
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Free radical type I photoinitiator
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Chemical intermediate for synthesis
ReferenceSame Category
3-bromo-3'-chloro-1,1'-biphenyl
CAS844856-42-4
organic synthesis intermediate
ReferenceSame Category
N,N-DIMETHYLETHYLAMINE
CAS84649-84-3
curing agent for foundry sand molding
Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,5-Diphenyl-1,4-benzoquinone (CAS 844-51-9) is 2914.69.
HS code (international, 6-digit)
2914.69
EU CN code (8-digit)
2914 69 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
2,5-diphenylcyclohexa-2,5-diene-1,4-dione
InChIKey
QYXHDJJYVDLECA-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C2=CC(=O)C(=CC2=O)C3=CC=CC=C3
Synonyms (17)
- 2,4-dione, 2,5-diphenyl-
- 2,5-Diphenyl-1,4-benzochinon
- 2,5-Diphenyl-1,4-benzoquinone
- 2,5-Diphenyl-4-benzoquinone
- 2,5-Diphenyl-p-benzoquinone
- 2,5-Diphenyl-p-quinone
- 2,5-Diphenylbenzoquinone
- 2,5-Diphenylquinone
- QUINONE, 2,5-DIPHENYL-
- STEARER DPQ
- diphenyl-p-benzoquinone
- p-Benzoquinone, 2,5-diphenyl-
- p-Benzoquinone,5-diphenyl-
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