Chemical Properties of disodium wolframate (CAS 13472-45-2)

InChI

InChI=1S/2Na.4O.W/q2*+1;;;2*-1;

InChI Key

XMVONEAAOPAGAO-UHFFFAOYSA-N

Formula

Na2O4W

SMILES

[Na+].[Na+].[O]=[W](=[O])([O-])[O-]

Molecular Weight¹

293.82

CAS

13472-45-2

Other Names

• disodium tungstate
• sodium tungstate
• sodium tungsten oxide

• C_p,solid : Solid phase heat capacity (J/mol×K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,solid	[139.76; 205.08]	J/mol×K	[298.00; 861.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,solid in J/mol×K, T in K
Coefficient A			1.24329e+02
Coefficient B			1.00563e+02
Coefficient C			-1.51654e+01
Coefficient D			1.10050e+01
Coefficient E			-1.19742e+00
Reference			Chase, 1998
Comment			F=-1590.170, G=274.6740, H=-1544.730; Data last reviewed in June, 1967
Temperature range, min.			298.00
Temperature range, max.			861.00
Cp,solid	139.76	J/mol×K	298.00	Calculated Property
Cp,solid	149.92	J/mol×K	360.56	Calculated Property
Cp,solid	158.31	J/mol×K	423.11	Calculated Property
Cp,solid	165.78	J/mol×K	485.67	Calculated Property
Cp,solid	172.73	J/mol×K	548.22	Calculated Property
Cp,solid	179.39	J/mol×K	610.78	Calculated Property
Cp,solid	185.88	J/mol×K	673.33	Calculated Property
Cp,solid	192.29	J/mol×K	735.89	Calculated Property
Cp,solid	198.68	J/mol×K	798.44	Calculated Property
Cp,solid	205.08	J/mol×K	861.00	Calculated Property
Cp,solid	[205.42; 270.71]	J/mol×K	[862.00; 1500.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,solid in J/mol×K, T in K
Coefficient A			1.41340e+02
Coefficient B			4.70390e+01
Coefficient C			4.26336e+01
Coefficient D			-1.08826e+01
Coefficient E			-8.72621e-01
Reference			Chase, 1998
Comment			F=-1558.930, G=347.3660, H=-1544.730; Data last reviewed in June, 1967
Temperature range, min.			862.00
Temperature range, max.			1500.00
Cp,solid	205.42	J/mol×K	862.00	Calculated Property
Cp,solid	212.49	J/mol×K	932.89	Calculated Property
Cp,solid	219.64	J/mol×K	1003.78	Calculated Property
Cp,solid	226.87	J/mol×K	1074.67	Calculated Property
Cp,solid	234.15	J/mol×K	1145.56	Calculated Property
Cp,solid	241.47	J/mol×K	1216.44	Calculated Property
Cp,solid	248.80	J/mol×K	1287.33	Calculated Property
Cp,solid	256.14	J/mol×K	1358.22	Calculated Property
Cp,solid	263.45	J/mol×K	1429.11	Calculated Property
Cp,solid	270.71	J/mol×K	1500.00	Calculated Property

Similar Compounds

Find more compounds similar to disodium wolframate.

Mixtures

• Sodium sulfate + Water + disodium wolframate
• Water + disodium wolframate

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Determination and modeling for the solubility of Na2WO4*2H2O and Na2MoO4*2H2O in the (Na(+) + MoO4(-2) +WO4(-2) + SO4(-2) + H2O) system
• Thermodynamic Equilibrium of Aqueous Two-Phase Systems Composed of [C4mim]BF4 + MgCl2/Na2WO4 + H2O at Different Temperatures
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
These property values are available through the Cheméo API. A free account gives you an access key.