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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:
Technical Service
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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

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

InChI

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

InChI key

RLBIQVVOMOPOHC-UHFFFAOYSA-N

General description

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

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.

Legal Information

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


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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)
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.
Xiang Huang et al.
Aquatic toxicology (Amsterdam, Netherlands), 114-115, 189-199 (2012-03-27)
Methyl parathion (MP) is a widely used organophosphorus pesticide that causes severe health and environmental effects. We investigated the alteration of the proteomic profile in the membrane enriched fraction of the kidneys of the scallop Mizuhopecten yessoensis exposed to low-level