Structural Formula Vector Image
Title: 2-Mercaptoethanol
CAS Registry Number: 60-24-2
Additional Names: b-Mercaptoethanol; 2-hydroxy-1-ethanethiol; 2-hydroxyethyl mercaptan; monothioethyleneglycol; thioglycol
Molecular Formula: C2H6OS
Molecular Weight: 78.13
Percent Composition: C 30.75%, H 7.74%, O 20.48%, S 41.04%
Line Formula: SHCH2CH2OH
Literature References: Prepn: Woodward, J. Chem. Soc. 1948, 1892; Peppel, Signaigo; Jones, US 2402665; US 3394192 (1946, 1968 both to du Pont). Properties: Bennett, J. Chem. Soc. 121, 2139 (1922). IR: Thompson, J. Am. Chem. Soc. 61, 1398 (1939). Toxicology: K. White et al., J. Pharm. Sci. 62, 237 (1973).
Properties: Liquid with very strong, disagreeable odor. bp742 157-158° (dec). d420 1.1143. nD20 1.4996. The pure liquid is miscible with water, alc, ether and benzene. LD50 in mice (mg/kg): 322.0 i.p.; 344.8 orally (White).
Boiling point: bp742 157-158° (dec)
Index of refraction: nD20 1.4996
Density: d420 1.1143
Toxicity data: LD50 in mice (mg/kg): 322.0 i.p.; 344.8 orally (White)
CAUTION: Irritating to eyes, nose and skin.
Use: In organic synthesis; as biochemical research tool.

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