Chemical Properties of Arsenic trioxide (CAS 1327-53-3)

Arsenic trioxide

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InChI
InChI=1S/As2O3/c3-1-5-2-4
InChI Key
IKWTVSLWAPBBKU-UHFFFAOYSA-N
Formula
As2O3
SMILES
O=[As]O[As]=O
Molecular Weight1
197.84
CAS
1327-53-3
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Physical Properties

Property Value Unit Source
ω 0.4939 Relay (... Calculated Property
ΔfG° -73.77 kJ/mol Relay (... Calculated Property ⚠️
ΔfH°gas -127.15 kJ/mol Relay (... Calculated Property
ΔvapH° 35.10 kJ/mol Relay (... Calculated Property
IE 10.52 eV Relay (... Calculated Property
log10WS -0.32 Relay (... Calculated Property
logPoct/wat -1.068 Crippen Calculated Property
Pc 6075.17 kPa Relay (... Calculated Property ⚠️
Tboil 321.18 K Relay (... Calculated Property
Tc 660.78 K Relay (... Calculated Property
Tfus 290.92 K Relay (... Calculated Property
Vc 0.240 m3/kmol Relay (... Calculated Property

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.00e-03; 101.32] kPa [406.85; 740.30] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A9.48157e+00
Coefficient B-2.30587e+03
Coefficient C-2.66160e+02
Temperature range, min.406.85
Temperature range, max.740.30
Pvap 1.00e-03 kPa 406.85 Calculated Property
Pvap 0.03 kPa 443.90 Calculated Property
Pvap 0.29 kPa 480.95 Calculated Property
Pvap 1.38 kPa 518.00 Calculated Property
Pvap 4.48 kPa 555.05 Calculated Property
Pvap 11.10 kPa 592.10 Calculated Property
Pvap 22.85 kPa 629.15 Calculated Property
Pvap 41.16 kPa 666.20 Calculated Property
Pvap 67.09 kPa 703.25 Calculated Property
Pvap 101.32 kPa 740.30 Calculated Property

Similar Compounds

Sodium metaarsenite. Arsenic monoxide. Arsenic dioxide. Arsenious oxide (As4O6). Phosphorus pentafluoride. Potassium orthoarsenate, monobasic. Phosphorus monofluoride. nickel sulphide. Phosphorus difluoride. Carbon diselenide. Barium fluoride. Beryllium hydride. 2,4,6,8,9,10-Hexaoxa-1,3,5,7-tetraarsatricyclo[3.3.1.13,7]decane. Arsonic acid, methyl-. Methylidyne, cyano-.

Find more compounds similar to Arsenic trioxide.

Sources

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