36187

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/REAXYS Number: 8905814
• EC Number: 206-050-1
• MDL number: MFCD00041813
• UNSPSC Code: 41116107
• PubChem Substance ID: 329755329
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• 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

Description

General description

Parathion-methyl is an organophosphorus insecticide and acaricide, which is widely used in controlling insect pests of agricultural crops, fruits and vegetables.[1]

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).[2]

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
• signalword: Danger
• hcodes: H226,H300 + H330,H311,H373,H410
• pcodes: 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: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: 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