3,5-Di-tert-butyl-4-hydroxybenzoic acid

3,5-二叔丁基-4-羟基苯甲酸

Also known as: BHT-COOH, 3,5-bis(1,1-dimethylethyl)-4-hydroxybenzoic acid, 3,5-di-t-butyl-4-hydroxybenzoic acid, Dibutylhydroxybenzoic acid, 4-Carboxy-2,6-di-tert-butylphenol, 2,6-Di-tert-butyl-4-carboxyphenol, Thymol Impurity28

3,5-Di-tert-butyl-4-hydroxybenzoic acid (CAS 1421-49-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H22O3 and a molecular weight of 250.33300 g/mol. It is also known as BHT-COOH, 3,5-bis(1,1-dimethylethyl)-4-hydroxybenzoic acid and 3,5-di-t-butyl-4-hydroxybenzoic acid. Key properties include a melting point of 206-209 °C(lit.), a boiling point of 340.6ºC at 760 mmHg, a density of 1.07 g/cm3 and a flash point of 174ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1421-49-4

Jingsj CID

J-50087-0

Molecular Formula

C₁₅H₂₂O₃

Chinese Name

3,5-二叔丁基-4-羟基苯甲酸

Molecular Weight

250.33300 g/mol

Category

Organic Acids

Last updated

8/21/2026