Brassidic Acid
Structural Formula Vector Image
Title: Brassidic Acid
CAS Registry Number: 506-33-2
CAS Name: (13E)-13-Docosenoic acid
Molecular Formula: C22H42O2
Molecular Weight: 338.57
Percent Composition: C 78.04%, H 12.50%, O 9.45%
Line Formula: CH3(CH2)7CH=CH(CH2)11COOH
Literature References: Prepn by isomerization of its cis-isomer (erucic acid): Reimer, Will, Ber. 19, 3320 (1886); Skellon, Manuf. Chem. 33, 405 (1962). Synthesis and separation from erucic acid by crystn: Bowman, Nature 163, 95 (1949).
Properties: Thin, cryst plates from alc, mp 61-62°. bp30 282°. nD57 1.448. Practically insol in water; sparingly sol in cold alcohol; sol in ether. Solubility at 10°, 0°, -10°, -20°, and -30° in methanol, ethyl acetate, ether, acetone, toluene, n-heptane: Kobl, Diss. Abstr. 20, 82 (1959).
Melting point: mp 61-62°
Boiling point: bp30 282°
Index of refraction: nD57 1.448

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