insoluble in H2O, organic solvents; decomposes acid solutions,alkaline solutions
form
black crystals
color
black crystals, crystalline
Water Solubility
insoluble most solvents; decomposed by boiling alkali hydroxides [MER06]
Safety Data
RIDADR
1557
HazardClass
6.1(b)
PackingGroup
III
Safety Profile
Confirmed human
carcinogen. When heated to decomposition
it emits fumes of As and Se. Incompatible
with oxidizing materials. When heated to
decomposition it emits htghly toxic fumes of
Se and arsenic. See ARSENIC
COMPOUNDS and SELENIUM
COMPOUNDS.
black crystal(s) with metallic luster; formed by melting stoichiometric amounts of As and Se in nitrogen atmospheric; used in glass manufacturing [MER06]
