potassium arsenite

potassium arsenite Basic information
Product Name:potassium arsenite
Synonyms:Potassium arsenite: (Arsenous acid, potassium salt);Potassium Aresenite;Arsenenous acid, potassium salt (1:1);Arsenic acid (haso2), potassium salt;Arsenious acid, (haso2), potassium salt (8ci);Einecs 236-680-2;Nsc 3060;Potassium arsenite (kaso2)
CAS:13464-35-2
MF:AsH2KO2
MW:148.03
EINECS:236-680-2
Product Categories:
Mol File:13464-35-2.mol
potassium arsenite Structure
potassium arsenite Chemical Properties
solubility soluble in H2O; slightly soluble in ethanol
form hygroscopic powder
color white
EPA Substance Registry SystemPotassium arsenite (KAsO2) (13464-35-2)
Safety Information
ToxicityLD50 orally in rats: 14 mg/kg (Lehman)
MSDS Information
potassium arsenite Usage And Synthesis
Chemical PropertiesPotassium arsenite is a white crystalline solid
Potential ExposurePotassium metaarsenite is used in veterinary medicine; and for chronic dermatitis in man. Potassium arsenite reduces silver salt to metallic silver during mirror silvering. Currently, it is probably not being used for this purpose.
ShippingUN1678 Potassium arsenite (solid), Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
IncompatibilitiesA weak base. Reacts with acids and decomposes on contact with strong acids producing acetic acid fumes. Arsine, a very deadly gas, can be released in the presence of acid or acid mist. Incompatible with alkaloidal salts, strong oxidizers; bromine azide, hypophosphites, sulfites in acid solution; iron salts; heavy metals and heavy metal compounds. Hydrogen gas can react with inorganic arsenic to form the highly toxic gas, arsine.
potassium arsenite Preparation Products And Raw materials
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