3-Mercaptopropionic acid (3MPA) CAS: 107-96-0

Chemical Name: 3-Mercaptopropionic acid

Synonyms: 3-MPA; 3-mercaptopropionic; 

CAS No.: 107-96-0

Molecular formula: C3H6O2S


Production capacity: 3000Mt/Year or according requirements. 

Structural Formula:3-Mercaptopropionic acid (3MPA) CAS: 107-96-0


product description

3-Mercaptopropionic acid Details:

3-Mercaptopropionic acid (3MPA) is used as a self-assembled monomolecular layer (SAM) with thiol and carboxyl groups. It has a short carbon chain and is mainly used as a capping agent for various nanoparticles.





Colorless or light yellow transparent liquid





Density (20℃)


3-Mercaptopropionic acid Usage:

● Construction field: Retarding polyester water reducing agent PCA and polyetherwater reducing agent PCE.

● Pharmaceutical field: 3-Mercaptopropionic acid is the intermediate of pharmaceutical Chlormezanone and is also used as a stabilizer of PVC. 

● 3-Mercaptopropionic acid/3-MPA CAS 107-96-0 electronic grade, used for Electronic chemical materials;
● 3-Mercaptopropionic acid/3-MPA CAS 107-96-0 Optical resin grade, used for High-end resin materials like Optical resin;

● Like thioglycolic acid, it can be used in transparent products with excellent thermal stability and is superior to other stabilizers.

● It is also used as an antioxidant, catalyst and biochemical reagent.

3-Mercaptopropionic acid Packaging and Shipping:

Package:250kg/drum;1250kg/IBC drum or as per buyer requirement shipping:UN 2922 8/PG 2 

3-Mercaptopropionic acid Storage:

Stored in a dry and ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture.

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3-Mercaptopropionic acid (3MPA) CAS: 107-96-0