Hydrogen Fluoride, HF

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Hydrogen Fluoride, HF
Categories:	Fluid
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Physical Properties	Metric	English	Comments

Density	0.967 g/cc @Temperature 20.0 °C	0.0349 lb/in³ @Temperature 68.0 °F
Viscosity	0.199 cP @Temperature 20.0 °C	0.199 cP @Temperature 68.0 °F	Dynamic Viscosity
Molecular Weight	20.006 g/mol	20.006 g/mol
Vapor Pressure	1.03008 bar @Temperature 20.0 °C	772.624 torr @Temperature 68.0 °F

Chemical Properties	Metric	English	Comments
Critical Pressure	64.8 bar	48600 torr
Critical Temperature	188 °C	370 °F
Critical Density	0.290 g/cc	0.0105 lb/in³
Critical Molar Volume	69.0 cm³/mol	4.21 in³/mol

Electrical Properties	Metric	English	Comments
Magnetic Susceptibility	-0.00000860	-0.00000860	cm^3/mol

Thermal Properties	Metric	English	Comments
Heat of Fusion	228.9 J/g	98.47 BTU/lb
Heat of Vaporization	334.6 J/g	143.9 BTU/lb
Specific Heat Capacity	1.456 J/g-°C @Temperature 25.0 °C	0.3480 BTU/lb-°F @Temperature 77.0 °F	Vapor
Thermal Conductivity	0.431 W/m-K @Temperature 20.0 °C	2.99 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	-83.35 °C	-118.0 °F
Boiling Point	19.6 °C	67.3 °F

Descriptive Properties
Antoine's Vapor Pressure A Parameter	17.6958
Antoine's Vapor Pressure B Parameter	3404.49
Antoine's Vapor Pressure C Parameter	15.06
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)		P in mmHg and T in K
CAS Number	7664-39-3
CAS registry number (CARN)	7664-39-3
Chemical Formula	HF
Critical Compressibility (Zc)	0.12
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	194.7
Dynamic Viscosity Parameter B	145.31
Molar Heat Capacity (298K)	29.124 J/mol-K
Molar Heat Capacity of Vapor a Parameter	29.0411
Molar Heat Capacity of Vapor b Parameter	0.0007
Molar Heat Capacity of Vapor c Parameter	-2.031E-06
Molar Heat Capacity of Vapor d Parameter	2.502E-09
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³		C_p in J/mol-K

References for this datasheet.

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