- Aluminum sesquiselenide
- Dialuminum triselenide
Light brown pieces with a strong garlic or fishy odor.
Substance is used in prepn of hydrogen selenide.
Registry Numbers and Inventories.
Melting point, °C
Solubility in water
Hazards and Protection.
Store in a cool, dry area. Store in a tightly sealed container. Store in an inert atmosphere.
Aluminum selenide is unstable in air. Handle and store in a controlled environment and in an inert gas such as argon.
Wear appropriate protective gloves, clothing and goggles.
Wear positive pressure self-contained breathing apparatus (SCBA).
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Unstable. Decomposes in air.
Strong acids and air.
Hydrogen selenide, selenium dioxide and aluminum oxide.
Use method most appropriate to fight surrounding fire.
Fire may produce irritating, corrosive and/or toxic gases.
The toxological properties of this substance have not been fully investigated.
May cause gastrointestinal disturbances.
Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
Avoid any skin contact. See Inhalation.
Seek medical assistance.
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce 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. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
Immediately flush with running water for at least 20 minutes.
I; II; III
USCG CHRIS Code