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CAS No.: | 150-50-5 |
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Name: | MERPHOS |
Article Data: | 21 |
Molecular Structure: | |
Formula: | C12H27 P S3 |
Molecular Weight: | 298.518 |
Synonyms: | Butylphosphorotrithioite (6CI); Butyl phosphorotrithioite ((BuS)3P); Folex; Merphos;NSC 27720; Tributyl phosphorotrithioite; Tributyl trithiophosphite;Tris(butylthio)phosphine |
EINECS: | 205-761-4 |
Density: | g/cm3 |
Melting Point: | 100°C |
Boiling Point: | 380.3 ºC at 760 mmHg |
Flash Point: | 183.8 ºC |
Hazard Symbols: | 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 POx and SOx. Used as a defoliant. See also PARATHION. |
PSA: | 89.49000 |
LogP: | 6.81320 |
IUPAC Name: Tris(butylsulfanyl)phosphane
The MF of S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5) is C12H27PS3.
The MW of S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5) is 298.51.
Synonyms of S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5): Chemagro B 1776 ; merphos ; Phosphorotrithious acid, tributyl ester ; Trithiophosphite de tributyle
Apperance: Emulsifiable oil
Flash Point: 183.8 °C
Boiling Point: 380.3 °C
S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5) is used as cotton defoliants.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
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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. |
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 POx and SOx.Safety information of S,S,S-Tributyl trithiophosphite (CAS NO.150-50-5):
RIDADR 3278
HazardClass 6.1(b)
PackingGroup III