9904. n-Valeric Acid

Nomenclature

CAS number: 109-52-4
Pentanoic acid; valerianic acid; propylacetic acid.
C5H10O2; mol wt 102.13.
C 58.80%, H 9.87%, O 31.33%.

Description and references

Obtained by decompn of n-propylmalonic acid: Fürth, Monatsh. Chem. 9, 308 (1888); from n-butyl chloride: Gilman, Kirby, Org. Synth. coll. vol. I, 363 (2nd ed., 1941). Industrial synthesis by oxidation of amyl alcohol or by fermentation processes. Toxicity study: L. Or, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961).

Chemical structure

Properties

Colorless liquid; unpleasant odor; d420 0.939; mp 34.5°; bp 186-187°; bp23 96°; nD20 1.4086. Sol in 30 parts water; freely sol in alcohol, ether. LD50 i.v. in mice: 1290 ±53 mg/kg (Or, Wretlind).

Derivative

Ethyl ester.

Nomenclature

CAS number: 539-82-2
Ethyl n-valerate.
C7H14O2; mol wt 130.18.
C 64.58%, H 10.84%, O 24.58%.

Properties

Liquid. d420 0.877. bp 145-146°. nD20 1.3732. Insol in water. Misc with alcohol, ether.

Use

Intermediate in perfumery.