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CAS Number: 68-11-1
Molecular Formula: HSCH₂COOH
Molecular Weight: 92.12 g/mol
Other Names: Thioacetic Acid, Thioglycolic Acid, TGA
Mercaptoacetic acid is a colorless, transparent liquid with a strong odor and is an important sulfur-containing organic compound. It possesses strong reducing properties, high reactivity, and strong chelating ability. It is widely used in various industries, including cosmetics, metal treatment, electroplating, and polymer modification. It plays a particularly important role in hair cosmetics, such as perm lotions and depilatories.
| Property | Specification |
|---|---|
| Product Name | Thioglycolic Acid |
| CAS Number | 68-11-1 |
| Molecular Formula | HSCH₂COOH |
| Molecular Weight | 92.12 g/mol |
| Appearance | Colorless to pale yellow transparent liquid |
| Purity | ≥ 99% (Industrial Grade / Cosmetic Grade) |
| Odor | Strong sulfurous odor |
| pH (1% solution) | < 2 |
| Boiling Point | 218 °C |
| Melting Point | -16.8 °C |
| Density (20°C) | 1.325 g/cm³ |
| Solubility | Miscible with water, ethanol |
| HS Code | 2930909099 |
| UN Number | UN 2810 (Toxic Liquid, Organic, NOS) |
Cosmetics: Used in the production of perm lotions, depilatories, and conditioners, as a reducing agent to soften keratin.
Metal Cleaning and Electroplating: Used as a complexing agent for copper and silver, for metal surface cleaning and as a brightener additive.
Polymer Modification: Participates in polymerization reactions and is used as a PVC stabilizer and rubber crosslinker.
Water Treatment: Forms stable complexes with heavy metal ions and is used in industrial wastewater treatment.
Organic Synthesis: Used as an important intermediate and reducing agent in organic synthesis.
Packaging:
25kg/plastic drum, 250kg/plastic drum, IBC drum
Customized packaging specifications available upon request
Storage:
Store in a cool, well-ventilated place, away from sunlight. Store tightly sealed and away from strong oxidants.
Shelf Life: 12 months
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