structural formula
3-MERCAPTOPROPIONIC ACID(3-MPA) CAS:107-96-0
3-Mercaptopropionic Acid (3-MPA) is a versatile organosulfur compound combining strong thiol reactivity with carboxylic acid functionality. It is widely used in pharmaceuticals, polymer modification, and specialty chemical synthesis where high purity, controlled reactivity, and process reliability are essential.

Specification
|
Item |
Standard |
|
Appearance |
Colorless transparent liquid |
|
Content,wt% |
≥99.5 |
|
APHA Color |
≤10 |
Applications
● Pharmaceutical and fine chemical intermediates
● Polymer modification and chain transfer reactions
● Metal surface treatment and coordination chemistry
● Specialty chemical formulations
● Research and analytical laboratories
Characteristics Platform

Quality Control

Packagings
25kg/woven bag, 800kg/pallet

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Customer Cases

FAQ
Q1: What purity grades of 3-MPA do you offer?
A: We offer industrial and high-purity grades, with specifications tailored to pharmaceutical and specialty chemical applications.
Q2: Is 3-mercaptopropionic acid soluble in water?
A: Yes. Due to its carboxylic acid group, 3-MPA shows good solubility in water and polar solvents.
Q3: How should 3-MPA be stored?
A: Store in tightly sealed containers, away from heat, light, and oxidizing agents, in a cool and well-ventilated environment.
Q4: Can 3-MPA be used together with other mercapto compounds?
A: Yes. It is compatible with thiourea and 2-mercaptoethanol in multi-component formulations.
Q5: Do you provide regulatory and safety documentation?
A: Yes. Full SDS, COA, and technical support are available upon request.
Commercial and Operational Benefits for Buyers (B)
From a procurement and production perspective, 3-mercaptopropionic acid delivers tangible advantages:
● Enhanced reaction efficiency, reducing processing time
● Improved product consistency and yield control
● Lower formulation risk due to predictable chemical behavior
● Flexible application across multiple downstream industries
These benefits help manufacturers reduce operational variability while maintaining high-quality output.
3-Mercaptopropionic acid has been extensively referenced in industrial chemistry and materials science research for its effectiveness as a sulfur-containing intermediate and modifier. Its long-term adoption in pharmaceutical and polymer industries demonstrates both technical reliability and regulatory familiarity.
Our 3-MPA is manufactured under strict quality management systems, with each batch supported by detailed COA, SDS, and traceability documentation to meet international compliance standards.
Searching for a trusted supplier of high-purity 3-Mercaptopropionic Acid with consistent quality and technical support?
Contact us now to request specifications, samples, or a customized quotation for your specific application.
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