Chemical Properties of disodium metasilicate (CAS 6834-92-0)

InChI

InChI=1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2

InChI Key

NTHWMYGWWRZVTN-UHFFFAOYSA-N

Formula

Na2O3Si

SMILES

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

Molecular Weight¹

122.06

CAS

6834-92-0

Other Names

• Sodium silicate
• disodiuim monosilicate

• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• 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,liquid	[177.32; 177.32]	J/mol×K	[1362.00; 2500.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,liquid in J/mol×K, T in K
Coefficient A			1.77318e+02
Coefficient B			4.15200e-10
Coefficient C			-5.33063e-10
Coefficient D			1.36992e-10
Coefficient E			-2.59304e-10
Reference			Chase, 1998
Comment			F=-1583.552, G=323.5253, H=-1510.876; Data last reviewed in September, 1967
Temperature range, min.			1362.00
Temperature range, max.			2500.00
Cp,liquid	177.32	J/mol×K	1362.00	Calculated Property
Cp,liquid	177.32	J/mol×K	1488.44	Calculated Property
Cp,liquid	177.32	J/mol×K	1614.89	Calculated Property
Cp,liquid	177.32	J/mol×K	1741.33	Calculated Property
Cp,liquid	177.32	J/mol×K	1867.78	Calculated Property
Cp,liquid	177.32	J/mol×K	1994.22	Calculated Property
Cp,liquid	177.32	J/mol×K	2120.67	Calculated Property
Cp,liquid	177.32	J/mol×K	2247.11	Calculated Property
Cp,liquid	177.32	J/mol×K	2373.56	Calculated Property
Cp,liquid	177.32	J/mol×K	2500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,solid	[111.75; 183.72]	J/mol×K	[298.00; 1362.00]	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			1.14182e+02
Coefficient B			7.69722e+01
Coefficient C			-2.35213e+01
Coefficient D			3.74134e+00
Coefficient E			-2.07664e+00
Reference			Chase, 1998
Comment			F=-1605.689, G=218.2676, H=-1561.427; Data last reviewed in September, 1967
Temperature range, min.			298.00
Temperature range, max.			1362.00
Cp,solid	111.75	J/mol×K	298.00	Calculated Property
Cp,solid	130.43	J/mol×K	416.22	Calculated Property
Cp,solid	141.90	J/mol×K	534.44	Calculated Property
Cp,solid	150.57	J/mol×K	652.67	Calculated Property
Cp,solid	157.76	J/mol×K	770.89	Calculated Property
Cp,solid	164.03	J/mol×K	889.11	Calculated Property
Cp,solid	169.63	J/mol×K	1007.33	Calculated Property
Cp,solid	174.72	J/mol×K	1125.56	Calculated Property
Cp,solid	179.39	J/mol×K	1243.78	Calculated Property
Cp,solid	183.72	J/mol×K	1362.00	Calculated Property

Similar Compounds

Find more compounds similar to disodium metasilicate.

Mixtures

• sodium chloride + disodium metasilicate + Water
• potassium chloride + disodium metasilicate + Water

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 of the Solubility of Na2SiO3*9H2O in the NaCl KCl H2O System
• NIST Webbook

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