Caprylic Acid
Title: Caprylic Acid
CAS Registry Number: 124-07-2
CAS Name: Octanoic acid
Molecular Formula: C8H16O2
Molecular Weight: 144.21
Percent Composition: C 66.63%, H 11.18%, O 22.19%
Line Formula: CH3(CH2)6COOH
Literature References: Prepn from 1-heptene: Dupont et al., Compt. Rend. 240, 628 (1955); by oxidation of octanol: Langenbeck, Richter, Ber. 89, 202 (1956). Manuf: Alexander, US 2821534 (1958 to GAF); McAlister et al., US 3053869 (1962 to Standard Oil Co., Indiana). Antifungal properties: O. Wyss et al., Arch. Biochem. 7, 418 (1945). Toxicity: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964). Review: Fatty Acids Part 1, K. S. Markley, Ed. (Interscience, New York, 2nd ed., 1960) pp 34, 38.
Properties: Oily liquid, bp 239.7°. Slightly unpleasant rancid taste. mp 16.7°. d420 0.910. nD20 1.4280. Very slightly sol in water (0.068 g/100 g at 20°); freely sol in alcohol, chloroform, ether, carbon disulfide, petr ether, glacial acetic acid. LD50 orally in rats: 10,080 mg/kg (Jenner).
Melting point: mp 16.7°
Boiling point: bp 239.7°
Index of refraction: nD20 1.4280
Density: d420 0.910
Toxicity data: LD50 orally in rats: 10,080 mg/kg (Jenner)
Use: An intermediate in manuf of esters used in perfumery; in manuf of dyes, etc.

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