n-Valeric Acid
Structural Formula Vector Image
Title: n-Valeric Acid
CAS Registry Number: 109-52-4
CAS Name: Pentanoic acid
Additional Names: valerianic acid; propylacetic acid
Molecular Formula: C5H10O2
Molecular Weight: 102.13
Percent Composition: C 58.80%, H 9.87%, O 31.33%
Literature 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. Orö, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961).
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 (Orö, Wretlind).
Melting point: mp -34.5°
Boiling point: bp 186-187°; bp23 96°
Index of refraction: nD20 1.4086
Density: d420 0.939
Toxicity data: LD50 i.v. in mice: 1290 ±53 mg/kg (Orö, Wretlind)
Derivative Type: Ethyl ester
CAS Registry Number: 539-82-2
Additional Names: Ethyl n-valerate
Molecular Formula: C7H14O2
Molecular Weight: 130.18
Percent Composition: 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.
Boiling point: bp 145-146°
Index of refraction: nD20 1.3732
Density: d420 0.877
Use: Intermediate in perfumery.

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