Methylenebis(3-mercaptopropionic acid)

亚甲基双(3-巯基丙酸)

Also known as: Propanoic acid, 2,2'-[methylenebis(thio)]bis-, (R*,R*)- (9CI), Methylenebis(3-mercaptopropionic acid), 97%, propionic acid, 2,2'-(methylenedithio)di-, (±)- (8CI)

Methylenebis(3-mercaptopropionic acid) (CAS 20664-29-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O4S2 and a molecular weight of 224.29800 g/mol. It is also known as Propanoic acid, 2,2'-[methylenebis(thio)]bis-, (R*,R*)- (9CI), Methylenebis(3-mercaptopropionic acid), 97% and propionic acid, 2,2'-(methylenedithio)di-, (±)- (8CI). Key properties include a melting point of 141-143ºC, a boiling point of 466.5ºC at 760mmHg, a density of 1.39g/cm3 and a flash point of 235.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20664-29-3

Jingsj CID

J-42026-4

Molecular Formula

C₇H₁₂O₄S₂

Chinese Name

亚甲基双(3-巯基丙酸)

Molecular Weight

224.29800 g/mol

Category

Organic Acids

Last updated

8/21/2026