3-Mercaptopropionic Acid (MPA) – A Versatile Fine Chemical Intermediate

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Update time : 2025-07-25

Product Overview
3-Mercaptopropionic Acid (MPA, C₃H₆O₂S) is a sulfur-containing organic compound featuring highly reactive thiol (-SH) and carboxyl (-COOH) functional groups. This unique bifunctional structure makes it invaluable across pharmaceuticals, cosmetics, and polymer industries.


Key Features

✅ High Reactivity – Thiol group readily interacts with metals/alkenes for coordination chemistry & polymer modification
✅ Excellent Stability – Maintains integrity under weakly acidic conditions for safe storage/transport
✅ Low Toxicity – Meets safety standards for pharmaceutical/cosmetic applications
✅ Good Solubility – Compatible with water and common organic solvents (ethanol, ether)


Primary Applications

1. Pharmaceuticals & Biochemistry

  • Drug Synthesis: Key intermediate for antitumor/antiviral drugs (e.g., HIV protease inhibitors)

  • Protein Modification: Crosslinking/protecting agent for antibody-drug conjugates (ADCs)

  • Biochemical Reagent: Metal ion chelator for enzyme activity studies

2. Cosmetics & Personal Care

  • Hair Perm Agent: Restructures keratin disulfide bonds for gentle waving

  • Antioxidant: Scavenges free radicals in skincare formulations

  • Whitening Additive: Inhibits tyrosinase to reduce melanin production

3. Polymer Materials

  • Polymer Modification: Chain transfer agent (RAFT) for controlled molecular weight

  • Rubber Additive: Enhances vulcanization efficiency

  • Adhesive Synthesis: Improves epoxy resin adhesion

4. Electroplating & Surface Treatment

  • Brightener Additive: Improves copper/silver plating uniformity

  • Metal Corrosion Inhibitor: Protects precision instruments


Specifications

ParameterStandard
AppearanceColorless to pale yellow liquid
Purity≥99%
Boiling Point108-110°C (5mmHg)
Density1.20-1.22 g/cm³

Packaging & Storage

  • Packaging: 25kg plastic drums, customizable options

  • Storage: Light-proof, sealed, ≤25°C

  • Transport: Non-hazardous, standard chemical shipping


Why Choose Our MPA?

✔ High-Purity Process: Distillation-purified, impurities <0.5%
✔ Custom Solutions: Tailored concentrations/formulations
✔ Technical Support: Application optimization guidance

Contact Us for Samples & Documentation!
0086-13889850231

sales01@xzhch.com

— Specialized in Fine Chemicals for Innovation —


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1. Product PositioningMercaptopropionic acid (MPA) serves as the essential chain

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