Propetamphos
Title: Propetamphos
CAS Registry Number: 31218-83-4
CAS Name: (E)-3-[[(Ethylamino)methoxyphosphinothioyl]oxy]-2-butenoic acid 1-methylethyl ester
Additional Names: (E)-3-hydroxycrotonic acid isopropyl ester O-ester with O-methyl ethylphosphoramidothioate; (E)-1-methylethyl 3-[[(ethylamino)methoxyphosphinothioyl]oxy]-2-butenoate; (E)-O-2-isopropoxycarbonyl-1-methylvinyl O-methyl ethylphosphoramidothioate
Manufacturers' Codes: SAN-322I
Trademarks: Catalyst (Wellmark)
Molecular Formula: C10H20NO4PS
Molecular Weight: 281.31
Percent Composition: C 42.70%, H 7.17%, N 4.98%, O 22.75%, P 11.01%, S 11.40%
Literature References: Prepn: J. P. Leber, K. Lutz, DE 2035103 corresp to US 3758645 (1971, 1973 to Sandoz). Activity: W. Berg, R. Gothe, Proc. Br. Crop Prot. Conf. - Pests Dis. 1979, 517.
Properties: Yellowish liquid, bp0.005 87-89°. nD20 1.495. d420 1.1294. Soly in water at 24°: 110 mg/l. Sol in most organic solvents. LD50 orally in male rats: 82 mg/kg (Berg, Gothe).
Boiling point: bp0.005 87-89°
Index of refraction: nD20 1.495
Density: d420 1.1294
Toxicity data: LD50 orally in male rats: 82 mg/kg (Berg, Gothe)
Use: Insecticide.
Therap-Cat-Vet: Ectoparasiticide.

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