sec-Butyl Mercaptan
Title: sec-Butyl Mercaptan
CAS Registry Number: 513-53-1
CAS Name: 2-Butanethiol
Additional Names: sec-butyl thioalcohol
Molecular Formula: C4H10S
Molecular Weight: 90.19
Percent Composition: C 53.27%, H 11.18%, S 35.55%
Line Formula: CH3CH2CH(SH)CH3
Literature References: Prepd from 2-iodobutane by means of alcoholic KSH soln: Reymann, Ber. 7, 1287 (1874); from 2-bromobutane in the same manner: Ellis, Reid, J. Am. Chem. Soc. 54, 1674 (1932).
Properties: Mobile liq. Heavy skunk odor. mp -165°. bp 84-85°. Flammable. d17 0.8299; d425 0.8246. nD25 1.4338. Slightly sol in water. Very sol in alc, ether, liquid H2S.
Melting point: mp -165°
Boiling point: bp 84-85°
Index of refraction: nD25 1.4338
Density: d17 0.8299; d425 0.8246

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