CAS No: 1327-53-3, Chemical Name: Arsenic(III) oxide
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1327-53-3 Arsenic(III) oxide

product Name Arsenic(III) oxide
Synonyms Arsenic trioxide; diarsenic trioxide; Arsenic oxide; Arsenous oxide; arsenous acid; arsenic(+3) cation; oxygen(-2) anion; dioxodiarsoxane; tricyclo[3.3.1.1~3,7~]tetraarsoxane; bicyclo[1.1.1]diarsoxane
Molecular Formula As2O3
Molecular Weight 197.8414
InChI InChI=1/As2O3/c3-1-4-2(3)5-1
CAS Registry Number 1327-53-3
EINECS 215-481-4
Molecular Structure 1327-53-3 Arsenic(III) oxide
Melting point 312.3℃
Water solubility 37 g/L (20℃)
Hazard Symbols  T+:Very toxic;
 N:Dangerous for the environment;
Risk Codes R28:;
R34:;
R45:;
R50/53:;
Safety Description S45:;
S53:;
S60:;
S61:;