Dimercaprol
Title: Dimercaprol
CAS Registry Number: 59-52-9
CAS Name: 2,3-Dimercapto-1-propanol
Additional Names: 1,2-dithioglycerol; British anti-lewisite; BAL
Trademarks: Dicaptol (Chinoin); Sulfactin (Viatris)
Molecular Formula: C3H8OS2
Molecular Weight: 124.23
Percent Composition: C 29.00%, H 6.49%, O 12.88%, S 51.62%
Literature References: Developed as an antidote to the vesicant warfare agent, dichloro(2-chlorovinyl)arsine, q.v., also known as Lewisite. Inhibits the toxic action of arsenic on pyruvate dehydrogenase. Discovery and development: R. A. Peters et al., Nature 156, 616 (1945); L. L. Waters, C. Stock, Science 102, 601 (1945). Prepn by hydrogenation of hydroxypropylene trisulfide: W. J. Peppel, F. K. Signaigo, US 2402665 (1946 to DuPont). Stereospecific synthesis: A. K. M. Anisuzzaman, L. N. Owen, J. Chem. Soc. C 1967, 1021. GC/MS determn in plasma: C. E. Byers et al., J. Anal. Toxicol. 28, 384 (2004). Toxicity study: P. Zvirblis, R. I. Ellin, Toxicol. Appl. Pharmacol. 36, 297 (1976). Review of discovery, biochemistry and clinical applications: J. A. Vilensky, K. Redman, Ann. Emerg. Med. 41, 378-383 (2003).
Properties: Viscous oily liq. Pungent offensive odor of mercaptans. d425 1.2385. nD25 1.5720. bp0.0001 68-69°. Vapor pressure at 80°: 1.9 mm Hg; at 140°: 40 mm Hg. Soly in water: 8.7 g/100 g. Sol in vegetable oils. LD50 i.m. in rats: 86.7 mg/kg (Zvirblis, Ellin).
Boiling point: bp0.0001 68-69°
Index of refraction: nD25 1.5720
Density: d425 1.2385
Toxicity data: LD50 i.m. in rats: 86.7 mg/kg (Zvirblis, Ellin)
Therap-Cat: Antidote (heavy metal poisoning).
Therap-Cat-Vet: Antidote (heavy metal poisoning).
Keywords: Antidote (Heavy Metal Poisoning).

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