Nomenclature
CAS number: 367-51-1
Mercaptoacetic acid sodium salt; sodium mercaptoacetate.
C
2H
3NaO
2S; mol wt 114.10.
C 21.05%, H 2.65%, Na 20.15%, O 28.04%, S 28.10%.
HSCH
2COONa.
Properties
Hygroscopic crystals. Slight characteristic odor.
Discolors on exposure to air or iron. Freely sol in water; slightly
sol in alc. LD50 i.p. in rats: 148 mg/kg, Freeman, Rosenthal, Fed. Proc. 11, 347 (1952).Use
In cold-waving of hair; as depilatory; in bacteriology
for the prepn of thioglycolate media; as analytical reagent,
see Thioglycolic Acid.