4,4'-sulfonyldibenzoic acid

4,4'-磺酰基二苯甲酸

Also known as: 4,4'-dicarboxydiphenyl sulfone, 4,4'-sulfonylbis(benzoic acid), 4,4'-sulfonylbisbenzoic acid, 4-(4-carboxyphenyl)sulfonylbenzoic acid, Benzoic acid, 4,4'-sulfonylbis-, diphenyl sulfone 4,4'-dicarboxylic acid, dicarboxydiphenylsulfone, p,p'-sulfonyldibenzoic acid, p,p'-dicarboxydiphenyl sulphone, MFCD00020375

4,4'-sulfonyldibenzoic acid (CAS 2449-35-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H10O6S and a molecular weight of 306.291 g/mol. It is also known as 4,4'-dicarboxydiphenyl sulfone, 4,4'-sulfonylbis(benzoic acid) and 4,4'-sulfonylbisbenzoic acid. Key properties include a melting point of >350ºC(lit.), a boiling point of 590.1±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 310.7±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2449-35-6

Jingsj CID

J-10437-5

Molecular Formula

C₁₄H₁₀O₆S

Chinese Name

4,4'-磺酰基二苯甲酸

Molecular Weight

306.291 g/mol

Category

Organic Acids

Last updated

8/21/2026