Isobutyl Mercaptan
Structural Formula Vector Image
Title: Isobutyl Mercaptan
CAS Registry Number: 513-44-0
CAS Name: 2-Methyl-1-propanethiol
Molecular Formula: C4H10S
Molecular Weight: 90.19
Percent Composition: C 53.27%, H 11.18%, S 35.55%
Line Formula: (CH3)2CHCH2SH
Literature References: May be prepd from isobutyl bromide and KHS in alcohol, see ref under other butyl mercaptans.
Properties: Mobile liq. Heavy skunk odor. mp -79°. bp 88°. Flammable. d420 0.8357. nD20 1.43859. Slightly sol in water; very sol in alcohol, ether, liquid hydrogen sulfide.
Melting point: mp -79°
Boiling point: bp 88°
Index of refraction: nD20 1.43859
Density: d420 0.8357

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