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49055

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:
298-00-0
Molecular Weight:
263.21
EC Number:
206-050-1
UNSPSC Code:
41121813
PubChem Substance ID:
24872575
Beilstein/REAXYS Number:
8905814
MDL number:
MFCD00041813
Technical Service
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grade

analytical standard

Quality Segment

product line

PESTANAL®

CofA

current certificate can be downloaded

packaging

ampule of 500 mg

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

storage temp.

room temp

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 organophosphate insecticide, which is extensively used for agricultural purposes. Its mode of action involves the inactivation of the enzyme acetylcholinesterase (AChE) in insects and also mammals. It undergoes degradation by soil microorganisms to yield p-nitrophenol as the product.

Application

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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Signal Word

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 (personal protective equipment)

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

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