Sodium thioglycolateCAS#367-51-1

Sodium thioglycolate is a sulfur-containing organic compound used as a reducing agent in various chemical processes. It is a colorless to pale yellow liquid with a strong, unpleasant odor. Known for its ability to reduce disulfide bonds to sulfhydryl groups, it is widely used in the hair care industry for permanent waving and straightening treatments. Additionally, sodium thioglycolate is employed in the manufacturing of pharmaceuticals, dyes, and rubber chemicals. Its effectiveness in breaking and reforming chemical bonds makes it a versatile ingredient in the chemical and cosmetic industries.

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Sodium thioglycolateCAS#367-51-1

Sodium thioglycolate Chemical Properties
Melting point >300 °C (lit.)
vapor pressure <0.1 hPa (25 °C)
storage temp. -20°C
solubility 609.1g/l
form solid
pka 3.82[at 20 ℃]
color White powder
Odor Stench odour
PH Range 6.5 – 8 at 114 g/l at 25 °C
PH 6.7 (100g/l, H2O, 20℃)
Water Solubility soluble
Sensitive Air Sensitive & Hygroscopic
Merck 14,8692
BRN 4569109
Exposure limits ACGIH: TWA 1 ppm (Skin)
LogP -2.99 at 20℃
CAS DataBase Reference 367-51-1(CAS DataBase Reference)
EPA Substance Registry System Sodium thioglycolate (367-51-1)
Safety Information
Hazard Codes Xn
Risk Statements 22-38-36/37/38
Safety Statements 36-28-26
RIDADR 2811
WGK Germany 1
RTECS AI7700000
F 3-10-13-23
TSCA Yes
HazardClass 6.1(b)
PackingGroup III
HS Code 29309070
Toxicity LD50 i.p. in rats: 148 mg/kg, Freeman, Rosenthal, Fed. Proc. 11, 347 (1952)