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Merck

36187

Parathion-methyl

PESTANAL®, analytical standard

Synonym(s):

O,O-Dimethyl O-(4-nitrophenyl) phosphorothioate, Methyl parathion

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About This Item

Empirical Formula (Hill Notation):
C8H10NO5PS
CAS Number:
Molecular Weight:
263.21
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
206-050-1
Beilstein/REAXYS Number:
8905814
MDL number:
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Product Name

Parathion-methyl, PESTANAL®, analytical standard

InChI key

RLBIQVVOMOPOHC-UHFFFAOYSA-N

InChI

1S/C8H10NO5PS/c1-12-15(16,13-2)14-8-5-3-7(4-6-8)9(10)11/h3-6H,1-2H3

SMILES string

COP(=S)(OC)Oc1ccc(cc1)[N+]([O-])=O

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

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Application

Parathion-methyl may be used as a reference standard in the determination of parathion-methyl in water samples using high performance liquid chromatography with electrochemical detection (HPLC-EC).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Parathion-methyl is an organophosphorus insecticide and acaricide, which is widely used in controlling insect pests of agricultural crops, fruits and vegetables.

Legal Information

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

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 3 - STOT RE 2

Storage Class

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

wgk

WGK 3

flash_point_f

114.8 °F - open cup

flash_point_c

46 °C - open cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Comparative study of three immunoassays based on monoclonal antibodies for detection of the pesticide parathion-methyl in real samples.
KolosovaY A, et al.
Analytica Chimica Acta, 511(2), 323-331 (2004)
Patrick B Dennis et al.
Biomacromolecules, 13(7), 2037-2045 (2012-06-02)
Organophosphates are some of the most acutely toxic compounds synthesized on an industrial scale, and organophosphorus hydrolase (OPH) has the ability to hydrolyze and inactivate a number of these chemicals. However, OPH activity is vulnerable to harsh environmental conditions that
Yanbo Zeng et al.
Journal of hazardous materials, 217-218, 315-322 (2012-04-13)
A sensitive electrochemical differential pulse voltammetry method was developed for detecting methyl parathion based on multiwalled carbon nanotubes-poly(acrylamide) (MWCNTs-PAAM) nanocomposite film modified glassy carbon electrode. The novel MWCNTs-PAAM nanocomposite, containing high content of amide groups, was synthesized by PAAM polymerizing
Dan Zhang et al.
The Analyst, 137(11), 2629-2636 (2012-04-14)
A novel composite of vinyl group functionalized multiwalled carbon nanotubes (MWCNTs) molecularly imprinted polymer (MIP) was synthesized and applied as a molecular recognition element to construct an electrochemical sensor for parathion-methyl in this paper. The special molecular recognition properties of
Scott A Trammell et al.
Chemical communications (Cambridge, England), 48(34), 4121-4123 (2012-03-22)
Using a low power green laser, we have demonstrated a rate acceleration of ~2-fold for the hydrolysis of methyl parathion by irradiating the plasmon absorption band of Au nanoparticles capped with a Cu(bpy) catalyst.

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