3-[Dimethyl(octadecyl)ammonio]-1-propanesulfonate

N,N-二甲基-N-(3-磺丙基)-1-十八烷铵内盐

Also known as: 1-Octadecanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt, 3-(Dimethyl(octadecyl)ammonio)propane-1-sulfonate, 3-(Dimethyloctadecylazaniumyl)propane-1-sulfonate, 3-[Dimethyl(stearyl)ammonio]propane-1-sulfonate, N,N-Dimethyl-N-(3-sulfopropyl)-1-octadecanaminium inner salt, N-Octadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate, Octadecyldimethyl(3-sulfopropyl)ammonium hydroxide inner salt, Stearyl sulfobetaine, SB-18

3-[Dimethyl(octadecyl)ammonio]-1-propanesulfonate (CAS 13177-41-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C23H49NO3S and a molecular weight of 419.705 g/mol. It is also known as 1-Octadecanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt, 3-(Dimethyl(octadecyl)ammonio)propane-1-sulfonate and 3-(Dimethyloctadecylazaniumyl)propane-1-sulfonate. Key properties include a melting point of 257-260 °C (dec.)(lit.) and a flash point of 110 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13177-41-8

Jingsj CID

J-13617-8

Molecular Formula

C₂₃H₄₉NO₃S

Chinese Name

N,N-二甲基-N-(3-磺丙基)-1-十八烷铵内盐

Molecular Weight

419.705 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026