4,4'-Di-tert-butylbiphenyl

Also known as: 1,1'-Biphenyl, 4,4'-bis(1,1-dimethylethyl)-, 1-tert-butyl-4-(4-tert-butylphenyl)benzene, 4,4'-Bis(2-methyl-2-propanyl)biphenyl, 4,4'-DI-T-BUTYLBIPHENYL, 4,4'-DI-TERT-BUTYLBIPHENYL, 4,4'-Di-tert-butyL, 4,4'-Di-tert-butyl-1,1'-biphenyl, 4,4'-Di-tert-butylbiphenyl Zone Refined, 4,4'-Di-tert-butylbiphenyl Zone Refined (number of passes:30), 4,4'-Di-tert-butylbiphenyl, 99+%, 4,4'-Ditert-butyl-1,1'-biphenyl, 4,4'-di-t-butylbiphenyl, 4,4'-di-tert-butylbiphenyl, 4,4‘-Di-tert-butylbiphenyl, 4,4′-Di-tert-butylbiphenyl, EINECS 216-615-4, MFCD00008834, TIMTEC-BB SBB007812

4,4'-Di-tert-butylbiphenyl (CAS 1625-91-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H26 and a molecular weight of 266.420 g/mol. Key properties include a melting point of 126-130 °C(lit.), a boiling point of 337.8±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 173.9±11.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1625-91-8

Jingsj CID

J-11324-6

Molecular Formula

C₂₀H₂₆

Molecular Weight

266.420 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026