Arsenic(III) selenide, 25g UN3077

Synonym(s): Arsenic triselenide Formula: As2Se3 Formula weight: 386.72 Purity: 99.999% (metals basis) CAS Number: 1303-36-2 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H330 Fatal if inhaled. Precautionary Statements: P260-P284-P304+P340-P320-P405-P501a Do not breathe dust/fume/gas/mist/vapours/spray. Wear respiratory protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations. Risk Phrases: 23/25-50/53 Toxic by inhalation and if swallowed. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Safety Phrases: 20/21-28-45-60-61 When using do not eat, drink or smoke. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets

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