49055

Parathion-methyl

PESTANAL^®, analytical standard

• Synonym(s): O,O-Dimethyl O-(4-nitrophenyl) phosphorothioate, Methyl parathion
• Empirical Formula (Hill Notation): C₈H₁₀NO₅PS
• CAS Number: 298-00-0
• Molecular Weight: 263.21
• Beilstein: 8905814
• EC Number: 206-050-1
• MDL number: MFCD00041813
• UNSPSC Code: 12000000
• PubChem Substance ID: 24872575

Properties

• grade: analytical standard
• 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

Description

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

Safety Information

• Pictograms: GHS02,GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H226,H300 + H330,H311,H373,H410
• Precautionary Statements: P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P314
• 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 Code: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves