5147. Isobutyl Mercaptan

Nomenclature

CAS number: 513-44-0
2-Methyl-1-propanethiol; isobutyl thiol; 2-methylpropyl mercaptan.
C4H10S; mol wt 90.19.
C 53.27%, H 11.18%, S 35.55%.

Description and references

May be prepd from isobutyl bromide and KHS in alcohol, see ref under other butyl mercaptans.

Chemical structure

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.