5,7-Di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one

5,7-二叔丁基-3-(3,4-二甲基苯基)-3H-苯并呋喃-2-酮

Also known as: Antioxidant HP-136, HP-136, Xylyl dibutylbenzofuranone, 5,7-bis(1,1-dimethylethyl)-3-hydroxy-2(3H)-benzofuranone reaction products with o-xylene, 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3-hydroxy-, reaction products with o-xylene, 3,4-Dibutyl-5-(2,4-dimethylphenyl)benzofuran-2(3H)-one

5,7-Di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (CAS 181314-48-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H30O2 and a molecular weight of 350.49400 g/mol. It is also known as Antioxidant HP-136, HP-136 and Xylyl dibutylbenzofuranone. Key properties include a boiling point of 404.998ºC at 760 mmHg, a density of 1.043g/cm3 and a flash point of 170.776ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

181314-48-7

Jingsj CID

J-1423029-1

Molecular Formula

C₂₄H₃₀O₂

Chinese Name

5,7-二叔丁基-3-(3,4-二甲基苯基)-3H-苯并呋喃-2-酮

Molecular Weight

350.49400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026