Potassium 3-sulphonatopropyl acrylate

3-丙-2-烯酰氧基丙烷-1-磺酸钾

Also known as: 3-Sulfopropyl acrylate potassium salt, 2-Propenoic acid, 3-sulfopropyl ester, potassium salt (1:1), Potassium 3-(acryloyloxy)propane-1-sulfonate, Potassium sulfopropylacrylate, 3-Sulfopropyl acrylate, Acrylic acid 3-sulfopropyl ester potassium salt, SPA (misleading, do not use)

Potassium 3-sulphonatopropyl acrylate (CAS 31098-20-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10KO5S and a molecular weight of 233.303 g/mol. It is also known as 3-Sulfopropyl acrylate potassium salt, 2-Propenoic acid, 3-sulfopropyl ester, potassium salt (1:1) and Potassium 3-(acryloyloxy)propane-1-sulfonate. Key property: a melting point of 302ºC (dec.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

31098-20-1

Jingsj CID

J-13621-3

Molecular Formula

C₆H₁₀KO₅S

Chinese Name

3-丙-2-烯酰氧基丙烷-1-磺酸钾

Molecular Weight

233.303 g/mol

Category

Organic Acids

Last updated

8/21/2026