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Merck
CN

36158

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

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About This Item

Empirical Formula (Hill Notation):
C6H11N2O4PS3
CAS Number:
950-37-8
Molecular Weight:
302.33
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329755304
EC Number:
213-449-4
Beilstein/REAXYS Number:
619915
MDL number:
MFCD00055286

Key Documents

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Product Name

Methidathion, PESTANAL®, analytical standard

InChI key

MEBQXILRKZHVCX-UHFFFAOYSA-N

InChI

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

SMILES string

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

grade

analytical standard

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

Quality Level

100

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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.

General description

Methidathion is a dimethoxyorganic phosphorus pesticide and cholinesterase inhibitor.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

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

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

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

农药列管产品
危险化学品
非剧毒-急性毒性1
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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ3747
BCBX1633

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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)
Evaluation of the carcinogenic potential of pesticides: 2. Methidathion.
Quest J A, et al.
Regulatory Toxicology and Pharmacology, 12(2), 117-126 (1990)
Thai-Hoang Le et al.
Chemosphere, 79(1), 67-71 (2010-01-26)
In this study, the expression of five stress responsive genes was quantified and analyzed using a semi-quantitative RT-PCR to study the changes in their expression in Daphnia magna after exposure to known pesticides, glyphosate and methidathion. Hemoglobin (Dhb), which was
R Sutcu et al.
Cell biology and toxicology, 22(3), 221-227 (2006-04-04)
Methidathion (MD) phosphorodithioic acid S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester is the organophosphate insecticide (OPI) most commonly used worldwide in the pest control of crops. Subchronic MD exposure was evaluated for its effects on lipid peroxidation, the serum activities of cholinesterase (ChE), and
Mariana González et al.
Environmental science and pollution research international, 15(1), 8-14 (2008-03-01)
Pesticides are often found in soil as a result of their application to control pests. They can be transported on soil particles to surface waters or they can lixiviate and reach other environmental compartments. Soil modification with amendments, such as
View All Related Papers

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