SODIUM ARSENITE | ICSC: 1603 (October 2005) |
Arsenious acid, sodium salt Sodium meta-arsenite Sodium dioxoarsenate |
CAS #: 7784-46-5 |
UN #: 2027 |
EC Number: 232-070-5 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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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! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Cough. Headache. Laboured breathing. Sore throat. See Ingestion. | Use closed system or ventilation. | Fresh air, rest. Refer for medical attention. |
Skin | MAY BE ABSORBED! 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. | 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 |
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Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Vacuum spilled material with specialist equipment. Sweep spilled substance into covered sealable, plastic containers. Carefully collect remainder. Then store and dispose of according to local regulations. |
According to UN GHS Criteria Transportation |
STORAGE | |
Store in an area without drain or sewer access. Well closed. Dry. Separated from acids, strong oxidants and food and feedstuffs. | |
PACKAGING | |
Unbreakable packaging. Put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. |
SODIUM ARSENITE | ICSC: 1603 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: NaAsO2 |
EXPOSURE & HEALTH EFFECTS | |
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Routes of exposure
Effects of short-term exposure
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Inhalation risk
Effects of long-term or repeated exposure
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OCCUPATIONAL EXPOSURE LIMITS |
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TLV: (as As): 0.01 mg/m3, as TWA; A1 (confirmed human carcinogen); BEI issued. MAK: skin absorption (H); carcinogen category: 1; germ cell mutagen group: 3A. EU-OEL: (inhalable fraction): 0.01 mg/m3 as TWA; (see Notes) |
ENVIRONMENT |
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The substance is toxic to aquatic organisms. |
NOTES |
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Other UN number: 1686 Sodium Arsenite, aqueous solution. 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. |
ADDITIONAL INFORMATION | ||
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EC Classification Symbol: T, N; R: 23/25-50/53; S: (1/2)-20/21-28-45-60-61; Note: A, 1 |
All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material. | |
See Also: Toxicological Abbreviations Sodium arsenite (UKPID)