33395

Supelco

Methamidophos

PESTANAL®, analytical standard

Synonym(s):
O,S-Dimethyl phosphoramidothioate
Empirical Formula (Hill Notation):
C2H8NO2PS
CAS Number:
Molecular Weight:
141.13
Beilstein/REAXYS Number:
8137714
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24
Pricing and availability is not currently available.

Quality Level

grade

analytical standard

product line

PESTANAL®

CofA

certificate is enclosed in each package

shelf life

limited shelf life, expiry date on the label

application(s)

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

impurities

≤0.5% water (Karl Fischer)

mp

42-45 °C

suitability

passes test for identity (NMR)

Featured Industry

Agriculture
Environmental

format

neat

storage temp.

−20°C

SMILES string

COP(N)(=O)SC

InChI

1S/C2H8NO2PS/c1-5-6(3,4)7-2/h1-2H3,(H2,3,4)

InChI key

NNKVPIKMPCQWCG-UHFFFAOYSA-N

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General description

Methamidophos is a broad spectrum organophosphate pesticide used for controlling a variety of plant and soil pests in agricultural crops.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Methamidophos may be used as a reference standard for the determination of the analyte in human serum samples using gas chromatography with mass spectrometry (GC-MS).

Legal Information

PESTANAL is a registered trademark of Sigma-Aldrich International GmbH

Pictograms

Skull and crossbonesEnvironment

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

T+,N

Risk Statement

24-26/28-50

Safety Statement

28-36/37-45-61

RIDADR

UN 2811 6.1 / PGII

WGK Germany

WGK 3

Flash Point(F)

413.6 °F - closed cup

Flash Point(C)

212 °C - closed cup

Certificate of Analysis
Certificate of Origin
Simultaneous analysis of acephate and methamidophos in human serum by improved extraction and GC-MS.
Adachi N, et al.
Forensic Toxicology, 26(2), 76-76 (2008)
Impacts of methamidophos on the biochemical, catabolic, and genetic characteristics of soil microbial communities.
Wang CM, et al.
Critical reviews in environmental science and technology, 40(3), 778-788 (2008)
Bao-Jian Hang et al.
Applied and environmental microbiology, 78(6), 1962-1968 (2012-01-17)
De-esterification is an important degradation or detoxification mechanism of sulfonylurea herbicide in microbes and plants. However, the biochemical and molecular mechanisms of sulfonylurea herbicide de-esterification are still unknown. In this study, a novel esterase gene, sulE, responsible for sulfonylurea herbicide...
Teresa Rodríguez et al.
Occupational and environmental medicine, 69(2), 119-125 (2011-07-05)
This study assessed pesticide exposure of children in rural Nicaragua in relation to parental pesticide use, from around conception to current school age, as part of an epidemiological evaluation of neurodevelopment effects. We included 132 children whose parents were subsistence...
Carla S Lima et al.
Neurotoxicology, 32(6), 718-724 (2011-08-30)
Epidemiologic studies describe a potential risk of depression and suicide in farm workers exposed to organophosphates (OPs). In a previous study we observed an increase in depressive-like behavior in adult mice exposed to the OP pesticide methamidophos. Considering the association...
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