화학공학소재연구정보센터
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* NA : Not Available (No data found)
Component Names and Formula
ID 1
Name METHANE
Synonyms METHYL HYDRIDE, MARSH GAS
CAS No. 74-82-8
Formula CH4
CH4
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Basic Properties
Molecular Wt. (WT) 1.60426E+01
Normal Boiling Point Temp. (TB) 1.11670E+02 K  units
Freezing Point Temp. (TF) 9.06900E+01 K  units
Triple Point Temp. (TT) 9.06940E+01 K  units
Triple Point Press. (PT) 1.16960E+01 kPa  units
Critical Temperature. (TC) 1.90564E+02 K  units
Critical Pressure (PC) 4.59900E+03 kPa  units
Critical Volume (VC) 9.86000E-02 m^3/kg-mol  units
Critical Compressibility (ZC) 2.86196E-01
Accentric Factor (ACCF) 1.10000E-02
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) 1.161834E+04 (J/cm^3)^0.5  units
SRK accentric factor (WSRK) 7.400000E-03
COSTALD Characteristic Volume (VSTAR) 9.940001E-02 m^3/kg-mol  units
Rackett parameter (ZRA) 2.892000E-01
Aniline Point (ANP) NA
Enthalpy Data
H(formation,ideal gas)at 25 C -7.490000E+04 kJ/kg-mol  units
G(formation,ideal gas) at 25 C -5.087000E+04 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) 1.129200E+00
UNIQUAC Qi Parameter (QI) 1.124000E+00
Dipole Moment (DM) 0.000000E+00 debye  units
Radius of Gyration (GYRAD) 1.123000E+00
Single Temperature Properties
Liquid Density (DENL) 2.649196E-02 g-mol/cm^3  units
Temperature of DENL (TDENL) 1.120000E+02 K  units
Heat of Vaporizaiton (HVAP) 8.180000E+03 kJ/kg-mol  units
Temperature of HVAP (THVAP) 1.116000E+02 K  units
Surface Tension (SRF) 1.633000E+01 dyn/cm  units
Temperature of SRF (TSRF) 1.000000E+02 K  units
Dielectric Constant (DIEL) NA
Temperature of DIEL (TDIEL) NA
Refractive Index (RFI) NA
Temperature of RFI (TRFI) NA
Hazardous Data
Lower Flammability Limit(FLL) 5.000000E+00 % in Air
Upper Flammability Limit(FLU) 1.500000E+01 % in Air
Flash Point (Open Cup Method) NA
Flash Point (Closed Cup Method) NA
Autoignition Temperature (AIGT) 8.131500E+02 K  units
NFPA Rating (Health) 1
NFPA Rating (Fire) 4
NFPA Rating (Safety)