Title: Bismuth Ethyl Camphorate

CAS Registry Number: 52951-37-8

CAS Name: d-Camphoric acid ethyl ester bismuth salt

Additional Names: bismuth(III) salt of d-camphoric acid monoethyl ester

Molecular Formula: C36H57BiO12

Molecular Weight: 890.81

Percent Composition: C 48.54%, H 6.45%, Bi 23.46%, O 21.55%

Literature References: Prepd from sodium ethyl camphorate and bismuth nitrate: W. M. Lauter, H. A. Braun, J. Am. Pharm. Assoc. 25, 394 (1936).

Properties: Amorphous solid, faint aromatic odor. Softens at 55°. mp 61-67° (clear melt). Practically insol in water. Sol in chloroform, ether, ethylene dichloride, oils. The soly in vegetable oils is increased by the addition of camphor. MLD i.m. in rats: 250 mg Bi/kg (Lauter, Braun).

Melting point: mp 61-67° (clear melt)

Toxicity data: MLD i.m. in rats: 250 mg Bi/kg (Lauter, Braun)

Therap-Cat: Formerly as antisyphilitic.