C12H10O2S
218.27 g/mol
Pharmaceutical IntermediateWarning
Diphenyl sulfone
CAS127-63-9EC204-853-1
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
Diphenyl sulfone is an organosulfur compound with a sulfone functional group. It is a white solid soluble in organic solvents and is primarily used as a pharmaceutical and agrochemical intermediate.
pharmaceutical intermediateagrochemical intermediate
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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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Diphenyl sulfone (CAS 127-63-9) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
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
benzenesulfonylbenzene
InChIKey
KZTYYGOKRVBIMI-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)S(=O)(=O)C2=CC=CC=C2
Synonyms (23)
- S-127
- S-97
- (Phenylsulfonyl)benzene
- 1,1'-Sulfonylbisbenzene
- 1,1'-sulfonyldibenzene
- 1-(phenylsulfonyl)benzene
- Benzene, 1,1'-sulfonylbis-
- Benzene,1'-sulfonylbis-
- Caswell No. 399D
- Difenylsulfon
- Difenylsulfon [Czech]
- Diphenyl sulfone
- Diphenyl sulfone, PESTANAL(R)
- Diphenyl sulphone
- Phenyl sulfone
- Phenyl sulphone
- Sulfobenzide
- Sulfone, diphenyl
- Sulfonyldibenzene
- benzenesulfonylbenzene
- bis-(phenyl)-sulfone
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