3-Mercaptopropionic Acid, recognized by its CAS number 107-96-0, is a high-performance organosulfur compound serving as a critical chain transfer agent and functional intermediate in polymer chemistry. This liquid chemical functions through its dual-functional molecular structure, where the reactive thiol group facilitates precise molecular weight control in the synthesis of polycarboxylate superplasticizers for high-strength concrete. In the manufacture of pharmaceutical intermediates and electronic-grade chemicals, it acts as a versatile building block for the production of sulfur-containing antioxidants and specialized coating resins that require enhanced chemical resistance. We provide this material with competitive factory pricing, supporting requirements for customized specifications to meet specific purity and color standards for advanced formulation. All shipments are accompanied by comprehensive MSDS, TDS, COA documentation to ensure full regulatory traceability and are available for bulk supply via specialized chemical handling systems to support continuous industrial manufacturing.
3-Mercaptopropionic Acid CAS 107-96-0
- CAS: 107-96-0
- Synonyms: 3-Thiopropanoic acid, Beta-Mercaptopropionic acid, 3-MPA, Thiohydracrylic acid, 3-Sulfanylpropanoic acid
- Molecular Formula: C3H5O2S
- Grade: Industrial grade 99%
- Package: 200kg iron drum or 50kg plastic drum packing
Product Description
3-mercaptopropionic acid
aliases: mercaptopropionic acid; 3-Thiopropionic acid; β-mercaptopropionic acid
CAS Number: 107-96-0
Molecular formula: C3H5O2S
Molecular weight: 105.1361
Properties: Transparent liquid, with a strong sulfide odor.
Density (g/mL, 25°C): 1.22
Melting point (ºC): 16.8
Boiling point (ºC, 2.0kPa): 111.5
Flash point (ºC): 93
Spontaneous ignition point or ignition temperature (ºC): 350
Saturated vapor pressure (kPa, 111.5ºC): 2.0
Solubility: soluble in water, soluble in ethanol and benzene.
Crystal clear appearance suitable for optical applications.
This product is an intermediate of the pharmaceutical fenarul and is also used as a stabilizer for polyvinyl chloride. It is also used as an antioxidant, catalyst, and biochemical agent.
FAQ - Technical & Supply Chain
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Q:
How is the reactivity of 3-Mercaptopropionic Acid managed during the synthesis of polycarboxylate ethers?
A: The technical identity is verified under CAS 107-96-0, and the substance is utilized as a highly efficient chain transfer agent to regulate the length of polymer chains, ensuring consistent slump retention and water reduction properties in industrial concrete admixture production. -
Q:
Is 3-Mercaptopropionic Acid suitable for use as an intermediate in the production of PVC heat stabilizers?
A: Yes, this material is commonly applied as a starting component for sulfur-based stabilizers and antioxidants, intended for professional industrial chemical synthesis rather than general laboratory applications.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
