6009. Methyl Acetoacetate

Nomenclature

CAS number: 105-45-3
3-Oxobutanoic acid methyl ester; acetoacetic acid methyl ester.
C5H8O3; mol wt 116.12.
C 51.72%, H 6.94%, O 41.33%.

Description and references

Toxicity data: H. F. Smyth, C. P. Carpenter, J. Ind. Hyg. Toxicol. 30, 63 (1948).

Chemical structure

Properties

Liquid. d 1.078-1.080. bp 169-171° (slight dec). mp 80°. nD20 1.418. Flash pt 82°C. Sol in 2 parts water; miscible with alc, ether; gives a deep red color with FeCl3. LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter).