Merphos cas no:150-50-5

NameMerphos
CAS150-50-5
SynonymsButylphosphorotrithioite (6CI); Butyl phosphorotrithioite ((BuS)3P); Folex; Merphos;NSC 27720; Tributyl phosphorotrithioite; Tributyl trithiophosphite;Tris(butylthio)phosphine
EINECS(EC#)205-761-4
Molecular FormulaC12H27 P S3
Molecular Weight298.512

Hazardclass6.1(b)

Hazard Cholinesterase inhibitor.
Safety

Poison by intraperitoneal route. Moderately toxic by ingestion and skin contact. A cholinesterase inhibitor. Combustible when exposed to heat or flame. Can react vigorously with oxidizing materials. When heated to decomposition it emits highly toxic fumes of PO_x and SO_x.Safety information of S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5):
RIDADR  3278
HazardClass  6.1(b)
PackingGroup  III

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	850mg/kg (850mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 27(8), Pg. 97, 1962.
mouse	LD50	intraperitoneal	1400mg/kg (1400mg/kg)		Biochemical Pharmacology. Vol. 12, Pg. 73, 1963.
mouse	LD50	oral	635mg/kg (635mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 27(8), Pg. 97, 1962.
rabbit	LD50	oral	170mg/kg (170mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 27(8), Pg. 97, 1962.
rabbit	LD50	skin	> 4600mg/kg (4600mg/kg)		Pesticide Manual. Vol. 8, Pg. 819, 1987.
rat	LD50	intraperitoneal	70mg/kg (70mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1117, 1986.
rat	LD50	oral	910mg/kg (910mg/kg)		Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.
rat	LD50	skin	615mg/kg (615mg/kg)		World Review of Pest Control. Vol. 9, Pg. 119, 1970.
rat	LD50	unreported	350mg/kg (350mg/kg)		"Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 308, 1971.