Chemical Identities

Chemical Name in the Inventory and Synonyms Arsenic oxide (As2O3)
Arsenic trioxide
Arsenious Acid Anhydride
Arsenite
Arsenolite
Trisenox
CAS Number 1327-53-3
Structural Formula
Molecular Formula As2O3
Molecular Weight 197.84
Chemical Name in the Inventory and Synonyms Arsenenous acid, sodium salt
Sodium arsenite
Arsenious acid, monosodium salt
Sodium metaarsenite
Sodium dioxoarsenate
CAS Number 7784-46-5
Structural Formula
Molecular Formula AsHO2.Na
Molecular Weight 130.92
Chemical Name in the Inventory and Synonyms Arsonic acid, calcium salt (1:1)
Calcium arsenite
Calcium arsenicosum
Calcium meta-arsenite
Mono-calcium arsenite
CAS Number 52740-16-6
Structural Formula
Molecular Formula AsH3O3.Ca
Molecular Weight 165.02

Last update 17 January 2019