C12H10O2S
218.27 g/mol
Industrial ChemicalDanger
4,4'-Thiodiphenol
CAS2664-63-3EC220-197-9
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Organic intermediate for polymer synthesis
4,4'-Thiodiphenol is an organic compound that serves as an intermediate in polymer synthesis. Its structure features two aromatic rings linked by a sulfur atom, with hydroxyl groups that contribute to hydrogen-bonding networks in the solid state.
Organic intermediate for polymer synthesis
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
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Safety Reference
Danger
H314Causes severe skin burns and eye damage
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 4,4'-Thiodiphenol (CAS 2664-63-3) 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
4-(4-hydroxyphenyl)sulfanylphenol
InChIKey
VWGKEVWFBOUAND-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1O)SC2=CC=C(C=C2)O
Synonyms (23)
- 4,4'-Dioxydiphenyl sulfide
- 4,4'-Thiobisphenol
- 4,4'-Thiodiphenol
- 4,4'-sulfanediyldiphenol
- 4-(4-hydroxyphenylthio)phenol
- 4-Hydroxyphenyl sulfide
- 4-Hydroxyphenyl sulfide; TDP
- Bis(4-hydroxyphenyl) sulfide
- Bis(4-oxyphenyl)sulfide
- Bis(p-hydroxhphenyl) sulfide
- PHENOL, 4,4'-THIODI-
- PHENOL, P,P'-THIOBIS-
- PHENOL, P,P'-THIODI-
- Phenol, 4,4'-thiobis-
- Phenol,4'-thiobis-
- Phenol,4'-thiodi-
- Sulfide, bis(4-hydroxyphenyl)
- TDP cpd
- Thiobisphenol
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