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12279-90-2

Name Tetraarsenic tetrasulfide.
CAS 12279-90-2
Molecular Formula As4S4
Molecular Weight 427.95
MOL File 12279-90-2.mol

Chemical Properties

Melting point  320°
Boiling point  bp 565°
density  3.5
solubility  insoluble in H2O; slightly soluble in benzene; soluble in alkaline solutions
form  red monoclinic crystals
color  red monoclinic crystals, crystalline
Water Solubility  insoluble H2O, hot HCl; soluble warm alkali [KIR78]
CAS DataBase Reference 12279-90-2

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