Lignoceric Acid
Title: Lignoceric Acid
CAS Registry Number: 557-59-5
CAS Name: Tetracosanoic acid
Molecular Formula: C24H48O2
Molecular Weight: 368.64
Percent Composition: C 78.19%, H 13.12%, O 8.68%
Line Formula: C23H47COOH
Literature References: Obtained from beechwood tar or by the distillation of rotten oak wood: Sullivan, Ind. Eng. Chem. 8, 1027 (1916). Most natural fats contain small amounts (0.2-1%). The seed fat of the Indian tree Adenanthera pavonina is said to contain 25%. Synthesis: Fieser, Szmuszkovicz, J. Am. Chem. Soc. 70, 3352 (1948).
Properties: Crystals, mp 84.15°. nD100 1.4287. Soly in 91.53% ethanol: 0.182 g/100 ml. Neutralization value 152.2.
Melting point: mp 84.15°
Index of refraction: nD100 1.4287
Derivative Type: Methyl ester
Molecular Formula: C25H50O2
Molecular Weight: 382.66
Percent Composition: C 78.47%, H 13.17%, O 8.36%
Properties: Platelets, mp 58-59.8°.
Melting point: mp 58-59.8°

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