Title: 10,10¢-Oxydiphenoxarsine
CAS Registry Number: 58-36-6
CAS Name: 10,10¢-Oxybis-10H-phenoxarsine
Additional Names: bis(phenoxarsin-10-yl)ether; bis(10-phenoxarsyl)oxide; bis(10-phenoxarsinyl)oxide; OBPA
Trademarks: Vinyzene
Molecular Formula: C24H16As2O3
Molecular Weight: 502.23
Percent Composition: C 57.40%, H 3.21%, As 29.84%, O 9.56%
Literature References: Prepn: W. L. Lewis et al., J. Am. Chem. Soc. 43, 891 (1921). Synthesis: K. D. Shvetsova-Shilovskaya et al., J. Gen. Chem. USSR 31, 776 (1961). Use in control of plant growth: M. L. Joseph, J. L. Hardy, US 3069252 (1962 to Dow Chemical); as bactericide in plastics: C. C. Yeager, US 3288674 (1966 to Scientific Chemicals). Toxicity study: D. G. Clark, Toxicol. Appl. Pharmacol. 21, 315 (1972).
Properties: Colorless monoclinic prisms, mp 184-185°. dec. 380°. sp. gr. 1.40-1.42. Sol in alcohol, chloroform, methylene chloride. Practically insol in water (5 ppm at 20°) and alkali. LD50 in male rats: 35-50 mg/kg (Ventron, company data sheet).
Melting point: mp 184-185°
Toxicity data: LD50 in male rats: 35-50 mg/kg (Ventron, company data sheet)
Use: Primarily for fungicidal and bactericidal protection of plastics. |