3,3',4,4'-Biphenyltetracarboxylic acid

3,3',4,4'-联苯四羧酸

Also known as: 1,1'-biphenyl-2,3',3,4'-tetracarboxylic acid, 3,4,3',4'-biphenyltetracarboxylic acid, 4-(3,4-dicarboxyphenyl)phthalic acid, Biphenyl-3,3',4,4'-tetracarboxylic acid, biphenyl-3,3′,4,4′-tetracarboxylic acid, diphenyl-3,3',4,4'-tetracarboxylic acid, [1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic acid

3,3',4,4'-Biphenyltetracarboxylic acid (CAS 22803-05-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H10O8 and a molecular weight of 330.246 g/mol. It is also known as 1,1'-biphenyl-2,3',3,4'-tetracarboxylic acid, 3,4,3',4'-biphenyltetracarboxylic acid and 4-(3,4-dicarboxyphenyl)phthalic acid. Key properties include a melting point of >300ºC, a boiling point of 673.3±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 375.0±28.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

22803-05-0

Jingsj CID

J-1315556-6

Molecular Formula

C₁₆H₁₀O₈

Chinese Name

3,3',4,4'-联苯四羧酸

Molecular Weight

330.246 g/mol

Category

Organic Acids

Last updated

8/21/2026