Mercaptopropionic Acid

Product Introduction

Mercaptopropionic Acid (MPA) is a colorless to yellow transparent liquid that acts as a chain transfer agent in polymer production, particularly in synthesizing polycarboxylate superplasticizers.

Product Information

• Chemical Formula: C₃H₆O₂S
• Molecular Weight: 106.15
• CAS Number: 107-96-0
• Melting Point: -27°C
• Appearance: Colorless to yellow transparent liquid.

Application

• Concrete admixtures: Controls molecular weight of PCE polymers for better performance. • UV-cured resins: Acts as a reactive diluent and flexibility enhancer. • Coatings: Improves adhesion and scratch resistance in formulations.

Packaging and Storage

Packaging

25kg or 200kg plastic or metal drums.

Storage

Store in a cool, well-ventilated place. Avoid strong oxidizers, bases, and exposure to light.

Transportation

Classified as corrosive. Avoid leakage, and wear protective gear during handling.

Summary

Mercaptopropionic Acid is essential in polymer chemistry, helping tailor molecular structure and improving performance in construction, coatings, and specialty chemicals.