화학공학소재연구정보센터
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* NA : Not Available (No data found)
Component Names and Formula
ID 1907
Name HYDROGEN FLUORIDE
Synonyms HYDROFLUORIC ACID, ANHYDROUS HYDROFLUORIC ACID, FLUORIC ACID
CAS No. 7664-39-3
Formula HF
HF
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Basic Properties
Molecular Wt. (WT) 2.00063E+01
Normal Boiling Point Temp. (TB) 2.93000E+02 K  units
Freezing Point Temp. (TF) 1.89790E+02 K  units
Triple Point Temp. (TT) NA
Triple Point Press. (PT) NA
Critical Temperature. (TC) 4.61000E+02 K  units
Critical Pressure (PC) 6.48000E+03 kPa  units
Critical Volume (VC) 6.90000E-02 m^3/kg-mol  units
Critical Compressibility (ZC) 1.16650E-01
Accentric Factor (ACCF) 3.29000E-01
Temperature Dependent Properties
Vapor Pressure Coeff.s Available  coefficients
Heat Capacity (Ideal Gas) Coeff.s Available  coefficients
Heat Capacity (Liquid) Coeff.s Available  coefficients
Viscosity (Gas, Low P) Coeff.s Available  coefficients
Viscosity (Liquid) Coeff.s Available  coefficients
Themal Conductivity (Gas, Low P) Coeff.s Available  coefficients
Themal Conductivity (Liquid) Coeff.s Available  coefficients
Surface Tension NA
Liquid Properties
Partial Molar Volume (VOLP) NA
Solubility Parameters (SOLP) 3.645050E+04 (J/cm^3)^0.5  units
SRK accentric factor (WSRK) 3.281000E-01
COSTALD Characteristic Volume (VSTAR) 5.860000E-02 m^3/kg-mol  units
Rackett parameter (ZRA) 1.451000E-01
Aniline Point (ANP) NA
Enthalpy Data
H(formation,ideal gas)at 25 C 2.731000E+05 kJ/kg-mol  units
G(formation,ideal gas) at 25 C -2.734000E+05 kJ/kg-mol  units
Heat of Combustion, Gross form (HCB1) NA
Heat of Combustion, Net form (HCB2) NA
Molecular Properties
Van der Waals Volume (VDWV) NA
Van der Waals Area (VDWA) NA
UNIQUAC Ri Parameter (RI) NA
UNIQUAC Qi Parameter (QI) NA
Dipole Moment (DM) 1.900000E+00 debye  units
Radius of Gyration (GYRAD) NA
Single Temperature Properties
Liquid Density (DENL) 4.833477E-02 g-mol/cm^3  units
Temperature of DENL (TDENL) 2.930000E+02 K  units
Heat of Vaporizaiton (HVAP) NA
Temperature of HVAP (THVAP) NA
Surface Tension (SRF) NA
Temperature of SRF (TSRF) NA
Dielectric Constant (DIEL) NA
Temperature of DIEL (TDIEL) NA
Refractive Index (RFI) NA
Temperature of RFI (TRFI) NA
Hazardous Data
Lower Flammability Limit(FLL) NA
Upper Flammability Limit(FLU) NA
Flash Point (Open Cup Method) NA
Flash Point (Closed Cup Method) NA
Autoignition Temperature (AIGT) NA
NFPA Rating (Health)  
NFPA Rating (Fire)  
NFPA Rating (Safety)