919-86-8

919-86-8 structure

Name: demeton-S-methyl
Chemical Name: demeton-S-methyl
CAS Number: 919-86-8
Molecular Formula: C₆H₁₅O₃PS₂
Molecular Weight: 230.28500
Catalog: Chemical pesticide Insecticide Organophosphorus pesticide
Create Date: 2018-08-31 21:13:28
Modify Date: 2025-09-07 03:42:23

Name	demeton-S-methyl
Synonyms	Methyl isosystox S-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorothioate Metaisosystox DEMETON-S-METHYL S-2-ethylthioethyl O,O-dimethyl phosphorothioate MFCD00055464 Thiometon oxon Demetox Metasystox J O,O-dimethyl S-2-ethylthioethyl phosphorothioate methylmercaptophos thiol Metasystox 55 1-dimethoxyphosphorylsulfanyl-2-ethylsulfanylethane EINECS 213-052-6 Metaisoseptox S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorothioate Duratox Methyldemetone

Density	1.197g/cm3
Boiling Point	287.4ºC at 760 mmHg
Melting Point	<25℃
Molecular Formula	C₆H₁₅O₃PS₂
Molecular Weight	230.28500
Flash Point	2ºC
Exact Mass	230.02000
PSA	95.94000
LogP	2.87360
Index of Refraction	1.496

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TG1750000

CHEMICAL NAME :: Phosphorothioic acid, S-(2-(ethylthio)ethyl) O,O-dimethyl ester

CAS REGISTRY NUMBER :: 919-86-8

BEILSTEIN REFERENCE NO. :: 1707311

LAST UPDATED :: 199703

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: C6-H15-O3-P-S2

MOLECULAR WEIGHT :: 230.30

WISWESSER LINE NOTATION :: 2S2SPO&O1&O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 30 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 85 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 7500 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 65 mg/kg

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 110 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 12500 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 40 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TEST SYSTEM :: Insect - Drosophila melanogaster

DOSE/DURATION :: 80 ppm

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 28,405,1975 *** REVIEWS *** TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976

Symbol	GHS06, GHS09
Signal Word	Danger
Hazard Statements	H301 + H311-H411
Precautionary Statements	P273-P280-P301 + P310 + P330-P302 + P352 + P312-P391-P501
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T,N,Xn,F
Risk Phrases	24/25-51/53-36-20/21/22-11
Safety Phrases	S26;S36/S37
RIDADR	UN 3018
RTECS	TG1750000
Packaging Group	II
Hazard Class	6.1(a)

868-85-9

693-07-2

~13%

919-86-8

Literature: Terreni, Marco; Pregnolato, Massimo; Resnati, Giuseppe; Benfenati, Emilio Tetrahedron, 1995 , vol. 51, # 29 p. 7981 - 7992

96-36-6

64048-02-8

919-86-8

Literature: DE947367 , ;

867-27-6

7732-18-5

919-86-8

Literature: Biochemical Journal, , vol. 67, p. 187,189,191 Journal of the Chemical Society, , p. 1643,1647,1649

693-07-2

919-86-8

Literature: Zeitschrift fuer Naturforschung, , vol. 10b, p. 12,15-19

867-27-6

919-86-8

Literature: Zeitschrift fuer Naturforschung, , vol. 10b, p. 12,15-19

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