5207. Isopropylacetone

Nomenclature

CAS number: 108-10-1
4-Methyl-2-pentanone; methyl isobutyl ketone; hexone.
C6H12O; mol wt 100.16.
C 71.95%, H 12.08%, O 15.97%.

Description and references

Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 543-546. Toxicity data: Smyth et al., Arch. Ind. Hyg. Occup. Med. 4, 119 (1951).

Chemical structure

Properties

Colorless liquid; faint, ketonic and camphor odor. mp 84.7°. d420 0.801. bp 117-118°. nD20 1.396. Flash pt, closed cup: 57.2°F (14°C). Flammable. Autoignition temp 459°. Log P (octanol/water): 1.31. Vapor pressure (20°): 15 mmHg. Slightly sol in water (17 g/l at 20°); misc with alcohol, benzene, ether, acetone. LD50 orally in rats: 2.08 g/kg (Smyth).

Caution

Potential symptoms of overexposure are irritation of eyes, skin and mucous membranes; headache; narcosis, coma; dermatitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 164.

Use

Solvent for gums, resins, nitrocellulose, paints, varnishes, and lacquers. Denaturant for rubbing alcohol. In manuf of methyl amyl alcohol. In dry-cleaning preparations.