A6631

Potassium arsenate monobasic

• Synonym(s): Arsenic acid potassium salt, Potassium dihydrogen arsenate
• Linear Formula: KH₂AsO₄
• CAS Number: 7784-41-0
• Molecular Weight: 180.03
• NACRES: NA.25
• PubChem Substance ID: 24891115
• UNSPSC Code: 12352302
• EC Number: 232-065-8
• MDL number: MFCD00036296

Properties

• form: powder
• reaction suitability: reagent type: catalyst; core: arsenic
• mp: 277-283 °C (lit.)
• SMILES string: [K+].O[As](O)([O-])=O
• InChI: 1S/AsH3O4.K/c2-1(3,4)5;/h(H3,2,3,4,5);/q;+1/p-1
• InChI key: GVPLVOGUVQAPNJ-UHFFFAOYSA-M

Description

Application

Potassium arsenate may be used as a reference material during the analysis of biological materials for the presence of arsenate. Potassium arsenate is used as a metabolic inhibitor and toxicity agent.

Safety Information

• pictograms: GHS06,GHS08,GHS09
• signalword: Danger
• hcodes: H301 + H331,H350,H410
• pcodes: P201 - P273 - P301 + P310 + P330 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges