Nomenclature
CAS number: 107-87-9
2-Pentanone; ethyl acetone; 4-methyl-2-butanone; propyl methyl ketone; MPK.
C
5H
10O; mol wt 86.13.
C 69.72%, H 11.70%, O 18.58%.
Description and references
Prepn: R. E. Schaad,
V. N. Ipatieff, J. Am. Chem. Soc. 62, 178 (1940); C. L. Wilson, ibid. 70, 1313 (1948). Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 23, 95 (1962).
Properties
Colorless liquid. d420 0.809. mp 78°. bp 102°. nD20 1.3895.
Flammable Irritant. Flash pt, closed cup: 45°F (7°C). Slightly soluble in water. Misc with alcohol,
ether. Incompatible with strong bases, oxidizing agent, reducing
agents. LD50 orally in rats: 3.73 g/kg (Smyth).Caution
Potential symptoms of overexposure
are irritation of eyes, skin and mucous membranes; headache; dermatitis;
narcosis, coma. See NIOSH Pocket
Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p
244.Use
Reagent and solvent in organic chemistry. As cleaner
for flux and ink processes. In coatings for plastics.