4,4'-sulfonyldiphenol

Also known as: Bisphenol S, Bis(4-hydroxyphenyl) sulfone, 4,4'-dihydroxydiphenyl sulfone, 4,4'-sulfonylbisphenol, 4-hydroxyphenyl sulfone

4,4'-sulfonyldiphenol (CAS 46765-03-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H10O4S and a molecular weight of 250.27000 g/mol. Key properties include a melting point of 245-250ºC(lit.), a boiling point of 533ºC at 760 mmHg, a density of 1.432 g/cm3 and a flash point of 276.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 46765-03-1
Jingsj CID: J-1964947-0
Molecular Formula: C₁₂H₁₀O₄S
Molecular Weight: 250.27000 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	245-250ºC(lit.)
Boiling Point	533ºC at 760 mmHg
Density	1.432 g/cm3
Flash Point	276.2ºC
Exact Mass	250.03000
PSA	82.98000
LogP	3.01140
Refractive Index	1.645

Frequently Asked Questions

What is the CAS number of 4,4'-sulfonyldiphenol?

The CAS number of 4,4'-sulfonyldiphenol is 46765-03-1.

What are the molecular formula and molecular weight of 4,4'-sulfonyldiphenol?

4,4'-sulfonyldiphenol has molecular formula C12H10O4S and molecular weight 250.27000 g/mol.

What are the upstream and downstream products of 4,4'-sulfonyldiphenol?

For 4,4'-sulfonyldiphenol, Upstream Products: 3,3'-Sulfonyldianiline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-sulfonyldiphenol (CAS 46765-03-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964947-0 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.