Title: Isanic Acid
CAS Registry Number: 506-25-2
CAS Name: 17-Octadecene-9,11-diynoic acid
Additional Names: bolecic acid; erythrogenic acid
Molecular Formula: C18H26O2
Molecular Weight: 274.40
Percent Composition: C 78.79%, H 9.55%, O 11.66%
Line Formula: CH2=CH(CH2)4CºCCºC(CH2)7COOH
Literature References: Found in vegetable oils obtained from tropical and equatorial regions. Isoln from boleko oil: De Vries, Oleagineux 12, 427 (1957); US 2789993 (1957 to UCB). Structure: Steger, Van Loon, Rec. Trav. Chim. 59, 1156 (1940); Gunstone, Sealy, J. Chem. Soc. 1963, 5772; Morris, ibid. 5779. Synthesis: Black, Weedon, ibid. 1953, 1785.
Properties: Crysts from petr ether, mp 39.5°. d445 0.9309; d460 0.91966; d478 0.9095; nD50 1.49148; nD78 1.4860. Turns pink on exposure to air and light. Tendency to polymerize and explode, especially when heated above 250°. Sol in acetone, ethanol, isopropanol. Moderately sol in petr ether.
Melting point: mp 39.5°
Index of refraction: nD50 1.49148; nD78 1.4860
Density: d445 0.9309; d460 0.91966; d478 0.9095 |