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: 2026-07-02 22:04:30

Name	demeton-S-methyl
Synonyms	O,O-Dimethyl S-2-(ethylthio)ethyl phosphorothioate Methyldemetone, S-(2-Ethylthioethyl) O,O-dimethyl phosphorothioate O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate, thiolo isomer METHYLDIMETONTHIOESTER Persyst DEMETON-S-METHYL S-2-ethylthioethyl O,O-dimethyl phosphorothioate demeton-s-methyl (bsi,iso) Metasystox J Metasystox 55 DEMETONS-S-METHYLSULPHIDE O,O-Dimethyl S-ethylmercaptoethyl thiophosphate O,O-Dimethyl-S-(3-thia-pentyl)-monothiophosphat Phosphorothioic acid, S-[2-(ethylthio)ethyl] O,O-dimethyl ester O,O-DIMETHYL-S-ETHYLTHIOETHYLPHOSPHOROTHIOLATE Methyl-mercaptofos teolery S-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorothioate phosphorothioicacid,o,o-dimethyls-(2-(ethylthio)ethyl)ester phosphorothioicacid,s-(2-(ethylthio)ethyl)o,o-dimethylester O,O-Dimethyl-S-(2-aethylthio-aethyl)-monothiophosphat Thiophosphate de O,O-dimethyle et de S-2-ethylthio-ethyle S-[2-(Ethylthio)ethyl] O,O-dimethyl thiophosphate methyl demeton (jmaf) Metaisosystox METHYL-S-DEMETON o,o-dimethyls-(2-eththioethyl)phosphorothioate S-[2-(Ethylthio)ethyl] O,O-dimethyl phophorothioate S-(2-(Ethylthio)ethyl) dimethyl phosphorothiolate S-[2-(ETHYLTHIO)ETHYL]-O,O-DIMETHYL-PHOSPHOROTHIOATE S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorothioate O,O-Dimetil-S-(2-etiltio-etil)-monotiofosfato DEMETON-S-METHYL PESTANAL Methylthionodemeton 2-ethylthioethyldimethylphosphorothioate methylisosystox methylmercaptofostiol(ussr) O,O-DIMETHYL S-[2-(ETHYLTHIO)ETHYL] PHOSPHROTHIOATE Vasso DSM O,O-Dimethyl-S-(2-ethylthio-ethyl)-monothiofosfaat o,o-dimethyl2-ethylmercaptoethylthiophosphate,thioloisomer methyl-mercaptofosteolovy(ussr) o,o-dimethyls-ethylmercaptoethylthiophosphate MIFATOX S-[2-(Ethylthio)ethyl] O,O-dimethyl phosphorothioate, Methyldemetone Thiometon oxon O,O-dimethyl S-2-ethylthioethyl phosphorothioate thiophosphatedeo,o-dimethyleetdes-2-ethylthio-ethyle methylmercaptophos thiol O,O-Dimethyl S-(2-eththioethyl)phosphorothioate Power DSM phosphorothioicacid,s-[2-(ethylthio)ethyl]o,o-dimethylester EINECS 213-052-6 thiophosphatedeo,o-dimethyleetdes-2-ethylthio-ethyle(french) Methyl isosystox o,o-dimethyls-(2-(ethylthio)ethyl)phosphorothioate demeton-S-methyl (ISO) S-2-ethylthioethyl dimethyl phosphorothioate S-[2-(Ethylsulfanyl)ethyl] o,o-dimethyl thiophosphate MSI(R) S-2-ethylthioethyl dimethyl phosphorothioate Demeton-S-methyl solution Phosphorothioic acid, O,O-dimethyl S-(2-(ethylthio)ethyl) ester Quad DSM 0,0-DIMETHYLS-ETHYLMERCAPTOETHYLTHIOPHOSPHATE S-Methyl demeton METASYSTOX I, 50MG, NEAT MFCD00055464 s-(2-(ethylthio)ethyl)dimethylphosphorothiolate Demeton-S-methyl, Methyldemetone, S-(2-Ethylthioethyl) O,O-dimethyl phosphorothioate Demetox s-(2-(ethylthio)ethyl)o,o-dimethylthiophosphate 2571989 1-dimethoxyphosphorylsulfanyl-2-ethylsulfanylethane methyl-mercaptofosteolery Metaisoseptox 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)