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Safety Information

PS641

Oxydemeton-methyl

analytical standard

Synonym(s):

Demeton-S-methyl sulfoxide, S-[2-(Ethylsulfinyl)ethyl] O,O-dimethyl phosphorothioate, Methyl oxydemeton

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About This Item

Empirical Formula (Hill Notation):
C6H15O4PS2
CAS Number:
301-12-2
Molecular Weight:
246.28
EC Number:
206-110-7
UNSPSC Code:
41116107

grade

analytical standard

packaging

ampule of 50 mg

manufacturer/tradename

Chem Service, Inc. PS-641

application(s)

agriculture
environmental

storage temp.

2-8°C

InChI

1S/C6H15O4PS2/c1-4-13(8)6-5-12-11(7,9-2)10-3/h4-6H2,1-3H3

InChI key

PMCVMORKVPSKHZ-UHFFFAOYSA-N

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General description

Oxydemeton-methyl is an organophosphorus pesticide primarily used for the control of pests in a wide variety of crops. Its mode of action involves the inhibition of cholinesterase enzyme activity.

Application

Oxydemeton-methyl may be used as a reference standard for the determination of oxydemeton-methyl in aqueous samples by direct injection using liquid chromatography coupled with tandem mass spectrometry.

Footnote

This product has a 6 month shelf life from date of manufacture. We provide the newest lot available.

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Statements

H300 + H310,H400

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Oral - Aquatic Acute 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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H Thiermann et al.
Human & experimental toxicology, 16(8), 473-480 (1997-08-01)
1 The effectiveness of oxime therapy in organophosphate poisoning is still a matter of debate. It appears, however, that the often cited ineffectiveness of oximes may be due to inappropriate dosing. By virtue of in vitro findings and theoretical considerations
S Kleinschmidt et al.
Anasthesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS, 29(4), 248-251 (1994-06-01)
We report on a 52-year old woman who had taken an unknown dose of the organophosphate insecticide Metasystox R with suicidal intention. Ingestion was followed by cardio-respiratory failure. After successful cardio-pulmonary resuscitation, main therapeutic principles were the immediate application of
D K Kansal et al.
Indian journal of physiology and pharmacology, 44(1), 57-63 (2000-08-05)
Oxydemeton-methyl, an organophosphate insecticide and acaricide produced decrease in the exploratory behaviour and prolongation of barbitone sodium-induced hypnosis after intermittent aerosol spray inhalational exposure for 1 h in rats compared to the saline control group. Further, CD50 +/- S.E.M. value
Determination of polar organophosphorus pesticides in aqueous samples by direct injection using liquid chromatography-tandem mass spectrometry.
Ingelse BA, et al.
Journal of Chromatography A, 918(1), 67-78 (2001)
D R Lenselink et al.
Teratology, 48(3), 207-211 (1993-09-01)
The teratogenic potential of oxydemeton-methyl (ODM) was investigated using a stage specific localized topical method of application to the stage 12 chick embryo. A dose of 0.01, 0.05, 0.10, 0.50, 1.0, or 2.0 mg/embryo was applied to the vitelline membrane
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