4,4'-Sulfinyldiphenol

Also known as: 4,4'-Dihydroxydiphenyl sulfoxide, 4,4'-Sulfinylbisphenol, 4,4'-bisphenol sulfoxide, 4-(4-hydroxyphenyl)sulfinylphenol, Bis(4-hydroxyphenyl) sulfoxide, bis-(p-hydroxyphenyl)-sulphoxide, Phenol, 4,4'-sulfinylbis-, JACS-1774-34-1, 4,4'-Sulfinyldiphenol, 4,4'-sulfinyl-bis-phenol, diphenylol sulfoxide

4,4'-Sulfinyldiphenol (CAS 1774-34-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10O3S and a molecular weight of 234.27100 g/mol. Key properties include a boiling point of 485.6ºC at 760mmHg, a density of 1.5g/cm3 and a flash point of 247.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1774-34-1
Jingsj CID: J-1506043-2
Molecular Formula: C₁₂H₁₀O₃S
Molecular Weight: 234.27100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	485.6ºC at 760mmHg
Density	1.5g/cm3
Flash Point	247.5ºC
Exact Mass	234.03500
PSA	76.74000
LogP	3.13020
Vapor Pressure	4.69E-10mmHg at 25°C
Refractive Index	1.752

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 4,4'-Sulfinyldiphenol is 1774-34-1.

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

4,4'-Sulfinyldiphenol has molecular formula C12H10O3S and molecular weight 234.27100 g/mol.

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

For 4,4'-Sulfinyldiphenol, Upstream Products: 4,4'-Thiodiphenol, 4,4'-Dimethoxydiphenyl sulfoxide, Phenol; Downstream Products: 4-Bromophenol, 4,4'-Thiodiphenol, 4-Chlorophenol.

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'-Sulfinyldiphenol (CAS 1774-34-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506043-2 (accessed 2026-11-09).

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