Chemical Properties of sodium fluoride (CAS 7681-49-4)

InChI

InChI=1S/FH.Na/h1H;/q;+1/p-1

InChI Key

PUZPDOWCWNUUKD-UHFFFAOYSA-M

Formula

FNa

SMILES

[F][Na]

Molecular Weight¹

41.99

CAS

7681-49-4

• C_p,solid : Solid phase heat capacity (J/mol×K).
• EA : Electron affinity (eV).
• P_vap : Vapor pressure (kPa).
• γ : Surface Tension (N/m).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
EA	[0.42; 1.35]	eV
EA	0.52 ± 0.01	eV	NIST
EA	1.10 ± 0.20	eV	NIST
EA	0.42	eV	NIST
EA	1.12 ± 0.21	eV	NIST
EA	1.35	eV	NIST

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.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,solid	[58.08; 62.41]	J/mol×K	[630.60; 1102.90]
Cp,solid	58.08	J/mol×K	630.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.11	J/mol×K	645.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.55	J/mol×K	675.70	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.36	J/mol×K	690.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.15	J/mol×K	720.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.11	J/mol×K	735.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.85	J/mol×K	750.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.28	J/mol×K	765.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.36	J/mol×K	795.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.26	J/mol×K	825.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.49	J/mol×K	840.40	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.14	J/mol×K	855.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	58.37	J/mol×K	870.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.37	J/mol×K	885.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.70	J/mol×K	900.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.76	J/mol×K	907.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.11	J/mol×K	915.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.21	J/mol×K	922.30	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.58	J/mol×K	937.40	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.64	J/mol×K	945.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.98	J/mol×K	952.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.43	J/mol×K	960.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.92	J/mol×K	967.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	59.89	J/mol×K	975.40	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.11	J/mol×K	982.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	61.01	J/mol×K	990.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.91	J/mol×K	997.50	Calorimetric analysis of NaF and NaLaF4
Cp,solid	61.02	J/mol×K	1012.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	60.56	J/mol×K	1027.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	61.86	J/mol×K	1042.60	Calorimetric analysis of NaF and NaLaF4
Cp,solid	61.63	J/mol×K	1057.70	Calorimetric analysis of NaF and NaLaF4
Cp,solid	62.08	J/mol×K	1072.70	Calorimetric analysis of NaF and NaLaF4
Cp,solid	62.41	J/mol×K	1087.80	Calorimetric analysis of NaF and NaLaF4
Cp,solid	62.25	J/mol×K	1102.90	Calorimetric analysis of NaF and NaLaF4
γ	0.19	N/m	1325.00	Surface tension of light rare earth fluoride molten salts electrolytesystem

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.06; 166.14]	kPa	[1269.00; 2060.00]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.78327e+01
Coefficient B			-2.62688e+04
Coefficient C			5.17000e+00
Temperature range, min.			1269.00
Temperature range, max.			2060.00
Pvap	0.06	kPa	1269.00	Calculated Property
Pvap	0.23	kPa	1356.89	Calculated Property
Pvap	0.75	kPa	1444.78	Calculated Property
Pvap	2.12	kPa	1532.67	Calculated Property
Pvap	5.34	kPa	1620.56	Calculated Property
Pvap	12.22	kPa	1708.44	Calculated Property
Pvap	25.82	kPa	1796.33	Calculated Property
Pvap	50.88	kPa	1884.22	Calculated Property
Pvap	94.39	kPa	1972.11	Calculated Property
Pvap	166.14	kPa	2060.00	Calculated Property

Similar Compounds

Find more compounds similar to sodium fluoride.

Mixtures

• sodium fluoride + Glucose + Water
• sodium fluoride + Sucrose + Water
• sodium fluoride + Water
• sodium fluoride + potassium fluoride + Lithium fluoride
• sodium fluoride + Ethanol + Water
• sodium fluoride + Formamide, N-methyl- + Water
• sodium fluoride + Glycine + Water
• sodium fluoride + D-Alanine + Water
• sodium fluoride + D-Valine + Water
• sodium fluoride + D-Leucine + Water
• sodium fluoride + Sorbitol + Water
• sodium fluoride + potassium fluoride + Aluminum fluoride

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.
• Activity coefficients of NaF in aqueous mixtures with e-increasing co-solvent: N-methylformamide-water mixtures at 298.15 K
• Activity coefficients of NaF in (glucose + water) and (sucrose + water) mixtures at 298.15 K
• Calorimetric analysis of NaF and NaLaF4
• Partial molar volume and partial molar compressibility of four homologous alpha-amino acids in aqueous sodium fluoride solutions at different temperatures
• Physicochemical properties of the system(LiF + NaF + KF(eut.) + Na7Zr6F31): Phase equilibria, density and volume properties, viscosity and surface tension
• Standard enthalpy, entropy and Gibbs free energy of formation of "B" type carbonate fluorapatites
• Solubility measurements in Na-F-CO3-HCO3-H2O system at (308.15 and 323.15) K and development of a Pitzer-based equilibrium model for the Na-F-Cl-SO4-CO3-HCO3-H2O system
• Liquid liquid equilibria of hydrophilic alcohol + sodiumhydroxide + water systems: Experimental and correlation
• Surface tension of light rare earth fluoride molten salts electrolytesystem
• Enthalpy of Solution of 1-Octyl-3-methylimidazolium Tetrafluoroborate in Water and in Aqueous Sodium Fluoride
• Enthalpies of Dilution of (2S,3R,4R,5R)-Hexane-1,2,3,4,5,6-hexol in Water and Aqueous Sodium Halide Solutions at T = (293.15 to 318.15) K
• Electrical Conductivity of Electrolytes Found In Natural Waters from (5 to 90) deg C
• Surface Tension and Density in the KF NaF AlF3-Based Electrolyte
• Temperature Dependence of the Density of Aqueous Alkali Halide Salt Solutions by Experiment and Molecular Simulation
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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