n-Capric Acid
Title: n-Capric Acid
CAS Registry Number: 334-48-5
CAS Name: Decanoic acid
Molecular Formula: C10H20O2
Molecular Weight: 172.26
Percent Composition: C 69.72%, H 11.70%, O 18.58%
Line Formula: CH3(CH2)8COOH
Literature References: Prepn from octyl bromide: Shishido et al., J. Am. Chem. Soc. 81, 5817 (1959); Closson, De Pree, US 2918494 (1959 to Ethyl Corp.). Recovery from Cuphea llavea Llave et Lex, Lythaceae seed oil: Miwa et al., US 2964546 (1960 to U.S.D.A.). Toxicity study: L. Orö, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961). Review: Fatty Acids Part I, K. S. Markley, Ed. (Interscience, New York, 2nd ed., 1960) pp 34, 39.
Properties: Crystalline solid, mp 31.4°. Rancid odor. bp 270°. d450 0.8782. nD40 1.4288. Practically insol in water (0.015 g/100 g at 20°). Sol in ethanol, ether, chloroform, benzene, carbon disulfide. Also sol in dil HNO3 from which it precipitates unchanged by addition of water. LD50 i.v. in mice: 129 ±5.4 mg/kg (Orö, Wretlind).
Melting point: mp 31.4°
Boiling point: bp 270°
Index of refraction: nD40 1.4288
Density: d450 0.8782
Toxicity data: LD50 i.v. in mice: 129 ±5.4 mg/kg (Orö, Wretlind)
Use: Manuf of esters for artificial fruit flavors and perfumes; as an intermediate in other chemical syntheses.

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