CAS:107-96-0 | 3-Mercaptopropionic Acid

Name:3-Mercaptopropionic acid

Synonyms:3-Thiopropionic acid

CAS:107-96-0

Purity:98%

Molecular Formula:C₃H₆O₂S

Molecular Weight:106.14

Melting Point:17 °C

Boiling Point:116 °C/13 mmHg

Flash Point:132 °C

EINECS:203-537-0 

Density:1.218 g/mL at 25 °C(lit.) 

Appearance:Colorless to yellow liquid to solid

Sensitivity:Air Sensitive. Hygroscopic.

Solubility:Benzene,Ether,Alcohol

Water solubility:Completely miscible

refractive index:1.49

Storage condition:Store below +30°C.

Application:3-Mercaptopropionic acid(CAS:107-96-0) is widely used in food and beverage industries as a flavoring agent. It is used in the production of PVC stabilizers, which are used as chain transfer agents in polymerizations. It can be used as primary or secondary, color stabilizer in combination with phenolic antioxidant for polymers. It acts as a sulfide ion equivalent and is utilized in the preparation of diaryl sulfide from aryl iodide.

Reference: 

Can behave as a sulfide ion equivalent, e.g. the Cu-catalyzed reaction with aryl iodides leads to the diaryl sulfide, with loss of acrylic acid (reverse Michael): Synthesis, 523 (1989):

In the presence of a free-radical initiator, acts as a chain transfer reagent in the telomerization of short oligomers for biotechnological applications: J. Polym. Sci. A, 37, 2977 (1999).

For a brief review of the reagent, see: Synlett, 1368 (2002).

Balamurugan, A.; Lee, H. Water-Soluble Polymeric Probes for the Selective Sensing of Mercury Ion: pH-Driven Controllable Detection Sensitivity and Time. Macromolecules 2015, 48 (4), 1048-1054.

Wu, M.; Algar, W. R. Acceleration of Proteolytic Activity Associated with Selection of Thiol Ligand Coatings on Quantum Dots. ACS Appl. Mater. Interfaces 2015, 7 (4), 2535-2545.

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