| Identification | Back Directory | [Name]
potassium arsenite | [CAS]
13464-35-2 | [Synonyms]
Nsc 3060
Einecs 236-680-2
Potassium Aresenite
POTASSIUMMETAARSENITE
potassium,oxoarsinite
Potassium arsenite (kaso2)
Arsenic acid (haso2), potassium salt
Arsenenous acid, potassium salt (1:1)
Arsenious acid, (haso2), potassium salt (8ci)
Potassium arsenite: (Arsenous acid, potassium salt)
Potassium arsenite [arsenic and certain arsenic compounds] | [EINECS(EC#)]
236-680-2 | [Molecular Formula]
AsHO2.K | [MOL File]
13464-35-2.mol | [Molecular Weight]
147.03 |
| Hazard Information | Back Directory | [Chemical Properties]
Potassium arsenite is a white crystalline solid | [Potential Exposure]
Potassium 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. | [First aid]
Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 2448 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. | [Shipping]
UN1678 Potassium arsenite (solid), Hazard Class: 6.1; Labels: 6.1-Poisonous materials. | [Incompatibilities]
A 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. |
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