Metasystox

Modify Date: 2024-01-09 17:34:35

Metasystox Structure
Metasystox structure
Common Name Metasystox
CAS Number 867-27-6 Molecular Weight 230.28500
Density 1.207 Boiling Point 89(0.02kPa)
Molecular Formula C6H15O3PS2 Melting Point N/A
MSDS N/A Flash Point 112.1ºC

 Names

Name demeton-O-methyl
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.207
Boiling Point 89(0.02kPa)
Molecular Formula C6H15O3PS2
Molecular Weight 230.28500
Flash Point 112.1ºC
Exact Mass 230.02000
PSA 94.89000
LogP 2.92400
Index of Refraction 1.505

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TG1650000
CHEMICAL NAME :
Phosphorothioic acid, O-(2-(ethylthio)ethyl) O,O-dimethyl ester
CAS REGISTRY NUMBER :
867-27-6
BEILSTEIN REFERENCE NO. :
1707378
LAST UPDATED :
199707
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C6-H15-O3-P-S2
MOLECULAR WEIGHT :
230.30
WISWESSER LINE NOTATION :
2S2OPS&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 :
75 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 22,559,1959
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
216 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
BIJOAK Biochemical Journal. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1906- Volume(issue)/page/year: 67,187,1957
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
46 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 22,559,1959
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 22,559,1959
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
20 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 28(3),21,1963
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
75 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 22,559,1959 *** REVIEWS *** 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: 46,1,1973 TOXICOLOGY REVIEW MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (8),90,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 0.05 ppm (0.5 mg/m3);Skin JAN 1993

 Safety Information

Hazard Codes T: Toxic;
Risk Phrases 25
Safety Phrases 24-36/37-45
RIDADR UN 3018
Packaging Group III
Hazard Class 6.1(b)

 Synthetic Route

~34%

Metasystox Structure

Metasystox

CAS#:867-27-6

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

~%

Metasystox Structure

Metasystox

CAS#:867-27-6

Literature: Hoffmann; Moore Journal of the American Chemical Society, 1958 , vol. 80, p. 1150,1152

~%

Metasystox Structure

Metasystox

CAS#:867-27-6

Literature: Farbenfabr.Bayer Patent: DE936037 , 1953 ; Full Text Show Details Schrader Ang.Ch.Monogr., 1952 , vol. 62, p. 70

~%

Metasystox Structure

Metasystox

CAS#:867-27-6

Literature: Henglein; Schrader Zeitschrift fuer Naturforschung, 1955 , vol. 10b, p. 12,15-19

 Synonyms

O-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorothioate
Methyl-demeton-O
O-2-ethylthioethyl O,O-dimethyl phosphorothioate
Demeton-S-methyl
O,O-Dimethyl O-ethylmercaptoethyl thiophosphate
O-[2-(ethylthio)ethyl] O,O-dimethyl phosphorothioate
Demeton-O-methyl
2-ethylsulfanylethoxy-dimethoxy-sulfanylidene-λ<sup>5</sup>-phosphane
methylmercaptophos
EINECS 212-758-1
Methyl-O-demeton
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