Ammonium Thioglycolate

Cas 5421-46-5

Ammonium Thioglycolate Cas 5421-46-5

Chemical Properties Of Ammonium Thioglycolate Cas 5421-46-5

  • Ammonium thioglycolate (MF: C₂H₇NO₂S, MW: 109.15) is an ammonium salt formed by the reaction of thioglycolic acid with ammonia. It is typically a colorless to pale pink transparent liquid with a strong skunk-like odor and is a strong reducing agent.
  • Ammonium thioglycolate is highly soluble in water, strongly reducing, and prone to oxidation; it darkens on storage and turns purple with iron ions.

Product Description Of Ammonium Thioglycolate Cas 5421-46-5

Item Specification
Melting Point 139–139.5 °C
Boiling Point 115 °C [at 101,325 Pa]
Density  1.245 g/cm³ (25 °C);70% aqueous solution
Flash point 99.8 °C
Vapor pressure 0.001 Pa (25 °C)
Odor Strong skunk-like odor
Solubility Miscible with water and ethanol; slightly soluble in diethyl ether
Storage Store in a sealed container in a cool, dry place at a temperature ≤25 °C, protected from light; nitrogen purging is recommended.

Product Application Of Ammonium Thioglycolate Cas 5421-46-5

  1. Cosmetics: Ammonium Thioglycolate is primary ingredient in hair perms/straighteners, breaks disulfide bonds in hair keratin.

  2. Chemical Analysis: Ammonium thioglycolic acid is used as colorimetric reagent for iron, aluminum, silver, and tin; masking agent in metal ion assays.

  3. Pharmaceuticals: Intermediate for synthesizing sulfur-containing drugs and fine chemicals.

  4. Industrial: Reducing agent in leather dehairing, PVC stabilizer, and electronic cleaning formulations.

Packaging Method Of Ammonium Thioglycolate Cas 5421-46-5
25L - plastic barrel
Ton barrel
250L-barrel
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