Chemical Properties of hydrogen fluoride (CAS 7664-39-3)

InChI

InChI=1S/FH/h1H

InChI Key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

Formula

FH

SMILES

F

Molecular Weight¹

20.01

CAS

7664-39-3

Other Names

• ANHYDROUS HYDROFLUORIC ACID
• FLUORIC ACID
• HYDROFLUORIC ACID

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_g : Gas Density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• S°_{gas,1 bar} : Molar entropy at standard conditions (1 bar) (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.3290		KDB
PAff	484.00	kJ/mol	NIST
BasG	456.70	kJ/mol	NIST
μ	1.90	debye	KDB
ΔfG°	-273.40	kJ/mol	KDB
ΔfH°gas	[-273.30; 273.10]	kJ/mol
ΔfH°gas	273.10	kJ/mol	KDB
ΔfH°gas	-273.30 ± 0.70	kJ/mol	NIST
ΔfusH°	0.52	kJ/mol	Joback Calculated Property
ΔvapH°	14.63	kJ/mol	Joback Calculated Property
IE	[15.92; 16.12]	eV
IE	16.03 ± 0.04	eV	NIST
IE	16.06	eV	NIST
IE	15.98 ± 0.04	eV	NIST
IE	16.05	eV	NIST
IE	15.98 ± 0.04	eV	NIST
IE	16.00 ± 1.00	eV	NIST
IE	16.04	eV	NIST
IE	16.05 ± 0.04	eV	NIST
IE	16.10	eV	NIST
IE	16.04 ± 0.00	eV	NIST
IE	16.03 ± 0.01	eV	NIST
IE	16.01 ± 0.01	eV	NIST
IE	16.05 ± 0.01	eV	NIST
IE	Outlier 15.92 ± 0.01	eV	NIST
IE	16.05 ± 0.01	eV	NIST
IE	16.06 ± 0.01	eV	NIST
IE	16.12 ± 0.04	eV	NIST
log10WS	0.14		Crippen Calculated Property
logPoct/wat	0.153		Crippen Calculated Property
McVol	12.630	ml/mol	McGowan Calculated Property
Pc	6480.00	kPa	KDB
S°gas,1 bar	173.78 ± 0.00	J/mol×K	NIST
Tboil	[292.70; 293.00]	K
Tboil	293.00	K	KDB
Tboil	292.70 ± 0.25	K	NIST
Tc	461.00	K	KDB
Tfus	[189.79; 190.00]	K
Tfus	189.79	K	KDB
Tfus	190.00 ± 0.20	K	NIST
Vc	0.069	m3/kmol	KDB
Zc	0.1166500		KDB
Zra	0.15		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[5.03; 9.72]	J/mol×K	[197.97; 332.95]
Cp,gas	5.03	J/mol×K	197.97	Joback Calculated Property
Cp,gas	6.12	J/mol×K	220.47	Joback Calculated Property
Cp,gas	7.08	J/mol×K	242.96	Joback Calculated Property
Cp,gas	7.91	J/mol×K	265.46	Joback Calculated Property
Cp,gas	8.63	J/mol×K	287.96	Joback Calculated Property
Cp,gas	9.23	J/mol×K	310.46	Joback Calculated Property
Cp,gas	9.72	J/mol×K	332.95	Joback Calculated Property
ΔvapH	[25.20; 25.20]	kJ/mol	[255.00; 265.00]
ΔvapH	25.20	kJ/mol	255.00	NIST
ΔvapH	25.20	kJ/mol	265.00	NIST
ρl	967.00	kg/m3	293.00	KDB

Datasets

Mass density, kg/m3

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Mass density, kg/m3 - Gas
293.15	27.70	0.2320
293.15	29.00	0.2450
293.15	31.80	0.2820
293.15	34.50	0.3200
293.15	37.20	0.3600
293.15	41.50	0.4380
293.15	55.50	0.8020
293.15	69.30	1.311
293.15	83.30	1.954
293.15	98.60	2.86
303.15	26.40	0.2120
303.15	29.40	0.2390
303.15	34.20	0.2830
303.15	38.00	0.3200
303.15	41.50	0.3560
303.15	45.10	0.3950
303.15	52.70	0.4910
303.15	64.80	0.6940
303.15	78.00	0.9990
303.15	90.00	1.359
303.15	102.60	1.818
303.15	114.80	2.327
303.15	126.70	2.883
303.15	141.60	3.802
313.15	36.40	0.2800
313.15	39.60	0.3070
313.15	42.50	0.3310
313.15	53.30	0.4260
313.15	57.00	0.4610
313.15	62.10	0.5100
313.15	74.00	0.6440
313.15	90.70	0.8830
313.15	109.10	1.246
313.15	129.30	1.787
313.15	148.00	2.417
313.15	165.70	3.118
313.15	180.30	3.777
313.15	29.30	0.2270
313.15	35.90	0.2800
313.15	41.40	0.3260
313.15	48.30	0.3850
313.15	55.10	0.4470
313.15	68.90	0.5900
313.15	82.80	0.7670
313.15	96.60	0.9920
313.15	110.30	1.285
313.15	124.30	1.653
313.15	138.00	2.078
313.15	152.00	2.579
313.15	165.80	3.133
313.15	180.50	3.797
323.15	55.00	0.4220
323.15	100.90	0.8420
323.15	117.90	1.05
323.15	156.90	1.731
323.15	181.40	2.343
323.15	204.50	3.061
323.15	228.70	3.949
333.15	29.20	0.2180
333.15	99.90	0.7590
333.15	142.20	1.147
333.15	180.00	1.61
333.15	222.80	2.36
333.15	246.20	2.902
333.15	276.40	3.753
333.15	317.30	5.162
333.15	343.50	6.229
333.15	112.60	0.8630
333.15	163.70	1.386
333.15	199.20	1.904
333.15	234.80	2.612
333.15	270.80	3.552
333.15	305.80	4.693
333.15	341.50	6.088
343.15	24.60	0.1790
343.15	67.30	0.4880
343.15	141.70	1.05
343.15	244.70	2.094
343.15	289.60	2.791
343.15	340.60	3.856
343.15	375.40	4.777
343.15	414.80	6.034
343.15	455.30	7.553
353.15	50.50	0.3520
353.15	118.50	0.8330
353.15	189.00	1.359
353.15	279.30	2.154
353.15	334.20	2.782
353.15	391.10	3.617
353.15	450.10	4.75
353.15	509.00	6.216
353.15	583.50	8.604
363.15	78.70	0.5230
363.15	151.20	1.024
363.15	268.60	1.886
363.15	349.70	2.574
363.15	435.20	3.463
363.15	519.50	4.617
363.15	610.30	6.318
363.15	704.70	8.73
363.15	792.40	11.696
373.15	59.50	0.3890
373.15	135.10	0.8900
373.15	249.70	1.674
373.15	360.60	2.495
373.15	444.90	3.191
373.15	555.70	4.277
373.15	661.80	5.611
373.15	768.80	7.405
373.15	872.60	9.733
373.15	971.70	12.608
383.15	109.30	0.6900
383.15	256.80	1.656
383.15	388.40	2.569
383.15	518.30	3.557
383.15	666.40	4.865
383.15	794.60	6.263
383.15	928.90	8.187
383.15	1067.00	10.825
383.15	1201.00	14.245
393.15	172.30	1.108
393.15	337.70	2.178
393.15	505.50	3.335
393.15	674.90	4.611
393.15	840.70	6.052
393.15	1013.00	7.764
393.15	1175.00	10.132
393.15	1344.00	13.239
393.15	1498.00	17.048
403.15	240.60	1.492
403.15	449.30	2.829
403.15	652.20	4.216
403.15	862.30	5.791
403.15	1069.00	7.588
403.15	1278.00	9.802
403.15	1491.00	12.74
403.15	1709.00	16.83
403.15	1897.00	21.668
413.15	222.30	1.32
413.15	371.40	2.232
413.15	508.90	3.095
413.15	683.20	4.229
413.15	883.60	5.621
413.15	1059.00	6.93
413.15	1234.00	8.38
413.15	1399.00	9.914
413.15	1557.00	11.607
413.15	1728.00	13.746
413.15	2034.00	18.831
413.15	2223.00	23.108
433.15	309.80	1.785
433.15	698.60	4.1
433.15	1068.90	6.452
433.15	1452.00	9.113
433.15	1847.00	12.286
433.15	2258.00	16.303
433.15	2635.00	21.034
433.15	3001.00	27.275
433.15	3365.00	36.362
433.15	3703.00	50.976
453.15	476.50	2.703
453.15	1014.00	5.793
453.15	1550.00	9.121
453.15	2081.00	12.797
453.15	2621.00	17.077
453.15	3133.00	21.99
453.15	3651.00	28.309
453.15	4173.00	36.974
453.15	4738.00	51.158
453.15	5189.00	73.046
473.15	398.60	2.061
473.15	719.10	3.785
473.15	1113.00	5.969
473.15	1557.00	8.541
473.15	1986.00	11.159
473.15	2275.00	13.033
473.15	2590.00	15.167
473.15	2992.00	18.107
473.15	3473.00	22.184
473.15	4349.00	30.552
473.15	4995.00	38.609
473.15	5640.00	49.429
473.15	6393.00	68.899
473.15	7041.00	98.187
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.34; 6487.21]	kPa	[189.79; 461.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.66910e+01
Coefficient B			-3.86983e+03
Coefficient C			2.78700e+01
Temperature range, min.			189.79
Temperature range, max.			461.15
Pvap	0.34	kPa	189.79	Calculated Property
Pvap	2.93	kPa	219.94	Calculated Property
Pvap	15.94	kPa	250.09	Calculated Property
Pvap	62.26	kPa	280.24	Calculated Property
Pvap	190.71	kPa	310.39	Calculated Property
Pvap	486.41	kPa	340.55	Calculated Property
Pvap	1076.70	kPa	370.70	Calculated Property
Pvap	2131.34	kPa	400.85	Calculated Property
Pvap	3856.89	kPa	431.00	Calculated Property
Pvap	6487.21	kPa	461.15	Calculated Property

Similar Compounds

Find more compounds similar to hydrogen fluoride.

Mixtures

• hydrogen fluoride + Water
• potassium fluoride + hydrogen fluoride + Water

Sources

• Crippen Method
• Crippen Method
• Distillation Separation of Hydrofluoric Acid and Nitric Acid From Acid Waste using the Salt Effect on Vapor-Liquid Equilibrium
• Chemical speciation of aqueous hydrogen fluoride at various temperatures from 298.15 K to 353.15 K
• Experimental and computational study on the molecular energetics of the three monofluoroanisole isomers
• Experimental and computational energetic study of two halogenated 2-acetylpyrrole derivatives: 2-trichloroacetylpyrrole and 2-trifluoroacetylpyrrole
• A calorimetric and computational study of the thermochemistry of halogenated 1-phenylpyrrole derivatives
• Experimental thermochemical study of fluoro-, chloro- and bromo- derivatives of uracil
• S6 Isomer of C60(CF3)12: Synthesis, properties and thermodynamic functions
• Enthalpy of formation of 5-fluoro-1,3-dimethyluracil: 5-Fluorouracil revisited
• Experimental and computational thermochemical study of two fluorobenzazoles: 5-fluoro-2-methylbenzoxazole and 5-fluoro-2-methylbenzothiazole
• Vapor PVT and Vapor Pressure of Hydrogen Fluoride
• Experimental and Computational Thermochemical Study of the Three Monofluorophenol Isomers
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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