3-Mercaptopropionic acid

Key Properties

• Chemical Name: 3-Mercaptopropionic Acid

• CAS Number: 107-96-0

• Molecular Formula: C₃H₆O₂S

• Functional Groups: Thiol group, carboxyl group

• Appearance: Colorless to pale yellow liquid

• Solubility: Soluble in water and most organic solvents

  
  

Main Applications

Chemical Intermediates

3-MPA is commonly used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals, where sulf

ur-containing functional groups are required.

Polymer and Resin Modification

In polymer chemistry, 3-MPA functions as a chain transfer agent or functional modifier, helping control molecular weight and improve polymer performance.

Metal Surface Treatment

The thiol group in 3-MPA has strong affinity for metal surfaces, making it useful in metal surface treatment, corrosion inhibition, and metal ion complexation processes.

Additives and Stabilizers

3-MPA is used in the production of stabilizers, antioxidants, and functional additives for plastics, coatings, and rubber materials.

Product Advantages

• Dual functionality with thiol and carboxyl groups

• High reactivity and broad application range

• Effective in polymer control and modification

• Strong interaction with metal surfaces

• Suitable for industrial-scale synthesis

  
  

Packaging and Storage

3-Mercaptopropionic Acid is typically supplied in sealed industrial containers. It should be stored in a cool, dry, and well-ventilated environment, away from heat, light, and oxidizing agents. Proper sealing helps maintain product quality and stability.

Safety Information

Appropriate personal protective equipment should be used when handling 3-MPA. Avoid direct contact with skin and eyes, and ensure adequate ventilation during use. Follow standard industrial safety practices for handling sulfur-containing chemicals.

Frequently Asked Questions (FAQs)

Q1: What is 3-Mercaptopropionic Acid mainly used for?

A1: It is mainly used as a chemical intermediate, polymer modifier, chain transfer agent, and in metal surface treatment applications.

Q2: Why is 3-MPA important in polymer chemistry?

A2: The thiol group allows it to regulate polymerization processes and improve control over molecular weight and functional properties.

Q3: Is 3-MPA soluble in water?

A3: Yes, 3-Mercaptopropionic Acid is soluble in water as well as in many organic solvents.

Q4: Can 3-MPA be used in metal-related applications?

A4: Yes, its strong affinity for metals makes it suitable for corrosion inhibition and metal ion binding applications.

Q5: How should 3-MPA be stored?

A5: It should be stored in tightly closed containers, in a cool and dry place, away from oxidizing substances and direct sunlight.

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