1364. Brassidic Acid

Nomenclature

CAS number: 506-33-2
(13E)-13-Docosenoic acid.
C22H42O2; mol wt 338.57.
C 78.04%, H 12.50%, O 9.45%.

Description and 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).

Chemical structure

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).