4-(Diphenylphosphino)benzoic acid

4-(二苯基膦)苯甲酸

Also known as: 4-(DIPHENYLPHOSPHINO)BENZOIC ACID, 4-(Diphenylphosphanyl)benzoic acid, 4-carboxyphenyldiphenylphosphine, Diphenyl(p-carboxyphenyl)phosphine, p-(Diphenylphosphino)benzoic acid, Ph2PC6H4COOH, MFCD00407264

4-(Diphenylphosphino)benzoic acid (CAS 2129-31-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H15O2P and a molecular weight of 306.29500 g/mol. It is also known as 4-(DIPHENYLPHOSPHINO)BENZOIC ACID, 4-(Diphenylphosphanyl)benzoic acid and 4-carboxyphenyldiphenylphosphine. Key properties include a melting point of 157-160ºC(lit.), a boiling point of 448ºC at 760 mmHg and a flash point of 224.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2129-31-9

Jingsj CID

J-1412437-2

Molecular Formula

C₁₉H₁₅O₂P

Chinese Name

4-(二苯基膦)苯甲酸

Molecular Weight

306.29500 g/mol

Category

Organic Acids

Last updated

8/21/2026