Educational content for trained professionals. Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use.
Arsenite
Also known as: 15502-74-6 · Arsenite ion · Arsenite ions · ARSENITE ANION
- CAS No.
- 15502-74-6
- Formula
- AsO3-3
- Molar mass
- 122.92 g/mol
- PubChem CID
- 544
Summary
Arsenite (AsO3-3), CAS 15502-74-6. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Physical properties
No experimental physical properties indexed yet. Try PubChem for the raw record.
Hazards
No GHS data listed for this product yet.
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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FDA recalls & enforcement
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Compatibilities
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Open comparator with ArsenitePractical safety notes
- Handle Arsenite in a ventilated area, wear safety glasses and nitrile gloves, and consult the manufacturer's SDS before first use.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is Arsenite flammable?+
Arsenite (CAS 15502-74-6) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling Arsenite?+
Safety glasses with side shields and nitrile gloves are the baseline. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.
How should Arsenite be stored?+
Store Arsenite (CAS 15502-74-6) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.
Is Arsenite dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for Arsenite, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.
Where can I find the official Safety Data Sheet for Arsenite?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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