|POTASSIUM ARSENITE||ICSC: 1213 (April 2005)|
Arsenious acid, potassium salt
| CAS #: 10124-50-2
| UN #: 1678
|EC Number: 233-337-9
|ACUTE HAZARDS||PREVENTION||FIRE FIGHTING|
|FIRE & EXPLOSION||Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.||In case of fire in the surroundings, use appropriate extinguishing media.|
|PREVENT DISPERSION OF DUST! AVOID ALL CONTACT! AVOID EXPOSURE OF (PREGNANT) WOMEN! IN ALL CASES CONSULT A DOCTOR!|
|Inhalation||Cough. Headache. Laboured breathing. Sore throat. See Ingestion.||Use closed system or ventilation.||Fresh air, rest. Refer for medical attention.|
|Skin||Redness. Pain.||Protective gloves. Protective clothing.||Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .|
|Eyes||Redness. Pain.||Wear face shield or eye protection in combination with breathing protection if powder.||First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.|
|Ingestion||Abdominal pain. Burning sensation in the throat and chest. Vomiting. Diarrhoea. Dizziness. Headache. Shock or collapse.||Do not eat, drink, or smoke during work. Wash hands before eating.||Rinse mouth. Give a slurry of activated charcoal in water to drink. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention .|
|SPILLAGE DISPOSAL||CLASSIFICATION & LABELLING|
|Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable, plastic containers. Vacuum spilled material with specialist equipment. Vacuum spilled material with specialist equipment. Carefully collect remainder. Then store and dispose of according to local regulations.||
According to UN GHS Criteria
|Separated from acids, strong oxidants, metals and food and feedstuffs. Dry. Well closed. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.|
Put breakable packaging into closed unbreakable container.
Do not transport with food and feedstuffs.
|POTASSIUM ARSENITE||ICSC: 1213|
|PHYSICAL & CHEMICAL INFORMATION|
Physical State; Appearance
Formula: see Notes
|EXPOSURE & HEALTH EFFECTS|
Routes of exposure
Effects of short-term exposure
Effects of long-term or repeated exposure
|OCCUPATIONAL EXPOSURE LIMITS|
|EU-OEL: (inhalable fraction): 0.01 mg/m3 as TWA; (see Notes)|
|The substance is toxic to aquatic organisms.|
|The compound has variable composition; the commercial grade formula corresponds approximately to KAsO_2·HAsO_2.
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
For the copper smelting sector, the EU OEL value shall apply from 11 July 2023.
Symbol: T, N; R: 23/25-50/53; S: (1/2)-20/21-28-45-60-61; Note: A, 1
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