tert-Butylphosphonic acid

叔丁基磷酸

Also known as: dioxido-oxo-tert-butyl-phosphorane, MFCD00012296, Phosphonic acid, (1,1-dimethylethyl)-, Phosphonic acid, P-(1,1-dimethylethyl)-, TERT-BUTYLPHOSPHONIC ACID, t-Butyl phosphonic acid, tert-Butylphosponicacid

tert-Butylphosphonic acid (CAS 4923-84-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H11O3P and a molecular weight of 138.10200 g/mol. It is also known as dioxido-oxo-tert-butyl-phosphorane, MFCD00012296 and Phosphonic acid, (1,1-dimethylethyl)-. Key properties include a melting point of 187-189ºC(lit.), a boiling point of 255.4ºC at 760 mmHg, a density of 1.083 (estimate) and a flash point of 108.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4923-84-6

Jingsj CID

J-1364018-3

Molecular Formula

C₄H₁₁O₃P

Chinese Name

叔丁基磷酸

Molecular Weight

138.10200 g/mol

Category

Organic Acids

Last updated

8/21/2026