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36158

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Methidathion

PESTANAL®, analytical standard

Synonym(s):
S-2,3-Dihydro-5-methoxy-2-oxo-1,3,4-thiodiazol-3-yl-methyl-O,O-dimethyl-phosphodithioate
Empirical Formula (Hill Notation):
C6H11N2O4PS3
CAS Number:
Molecular Weight:
302.33
Beilstein:
619915
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

storage temp.

2-8°C

SMILES string

COC1=NN(CSP(=S)(OC)OC)C(=O)S1

InChI

1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,1-3H3

InChI key

MEBQXILRKZHVCX-UHFFFAOYSA-N

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Methidathion PESTANAL®, analytical standard

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product line

PESTANAL®

product line

PESTANAL®

product line

PESTANAL®

product line

PESTANAL®

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable, NMR: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable, NMR: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

format

neat

format

neat

format

neat

format

neat

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

application(s)

agriculture
environmental

application(s)

agriculture
environmental

application(s)

agriculture
environmental

application(s)

agriculture
environmental

General description

Methidathion is a dimethoxyorganic phosphorus pesticide and cholinesterase inhibitor.

Application

Methidathion may be used as a reference standard for the determination of methidathion in serum and urine samples of acute poisoning by high-performance liquid chromatography with diode-array detector.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Sigma-Aldrich International GmbH

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 2 Dermal - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

212.0 °F - closed cup

Flash Point(C)

100 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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T1503
Product Number
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25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

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Evaluation of the carcinogenic potential of pesticides: 2. Methidathion.
Quest J A, et al.
Regulatory Toxicology and Pharmacology, 12(2), 117-126 (1990)
Determination of organophosphorus pesticides in biological samples of acute poisoning by HPLC with diode-array detector.
Cho Y, et al.
Chemical & Pharmaceutical Bulletin, 45(4), 737-740 (1997)
Mário Eidi Sato et al.
Experimental & applied acarology, 39(1), 13-24 (2006-05-09)
The purpose of this study was to evaluate the cytochrome P450-dependent monooxygenase activities in methidathion resistant and susceptible strains of Amblyseius womersleyi Schicha. Artificial laboratory selections for resistance and susceptibility to methidathion were performed in an organophosphate resistant strain of
Osman Gokalp et al.
Toxicology and industrial health, 19(2-6), 63-67 (2005-02-09)
Methidathion (MD) is one of the most widely used organophosphate insecticides (OPIs) for public health programmes and agricultural purposes. However it causes side effects such as liver disorders. We examined the ameliorating effects of a combination of vitamins E and
L Sánchez et al.
Chemosphere, 63(4), 616-625 (2005-10-12)
Four experimental plots located in Granada (Spain) were used to investigate the potential movement of the insecticide methidathion during three treatments in a period of three years. To increase pesticide soil retention a municipal biosolid and the cationic surfactant, tetradecyl

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