Pure Component Properties
[Instruction]
Click on units to view values in other units of measure* NA : Not Available (No data found)
Component Names and Formula
| ID | 7 | |
| Name | N-HEPTANE | |
| Synonyms | DIPROPYLMETHANE, HEPTYL HYDRIDE, HEPTANE | |
| CAS No. | 142-82-5 | |
| Formula | C7H16 |  |
| CH3(CH2)5CH3 | ||
| 3D View | ||
Basic Properties
| Molecular Wt. (WT) | 1.00203E+02 |
| Normal Boiling Point Temp. (TB) | 3.71600E+02 K units |
| Freezing Point Temp. (TF) | 1.82500E+02 K units |
| Triple Point Temp. (TT) | 1.82550E+02 K units |
| Triple Point Press. (PT) | NA |
| Critical Temperature. (TC) | 5.40200E+02 K units |
| Critical Pressure (PC) | 2.74000E+03 kPa units |
| Critical Volume (VC) | 4.28000E-01 m^3/kg-mol units |
| Critical Compressibility (ZC) | 2.61098E-01 |
| Accentric Factor (ACCF) | 3.49000E-01 |
Temperature Dependent Properties
| Vapor Pressure | Coeff.s Available coefficients |
| Heat Capacity (Ideal Gas) | Coeff.s Available coefficients |
| Heat Capacity (Liquid) | NA |
| Viscosity (Gas, Low P) | NA |
| Viscosity (Liquid) | Coeff.s Available coefficients |
| Themal Conductivity (Gas, Low P) | NA |
| Themal Conductivity (Liquid) | NA |
| Surface Tension | NA |
Liquid Properties
| Partial Molar Volume (VOLP) | 1.474700E-01 m^3/kg-mol units |
| Solubility Parameters (SOLP) | 1.519589E+04 (J/cm^3)^0.5 units |
| SRK accentric factor (WSRK) | 3.507000E-01 |
| COSTALD Characteristic Volume (VSTAR) | 4.304000E-01 m^3/kg-mol units |
| Rackett parameter (ZRA) | 2.604000E-01 |
| Aniline Point (ANP) | 3.428500E+02 K units |
Enthalpy Data
| H(formation,ideal gas)at 25 C | -1.879000E+05 kJ/kg-mol units |
| G(formation,ideal gas) at 25 C | 8.000000E+03 kJ/kg-mol units |
| Heat of Combustion, Gross form (HCB1) | 4.816914E+06 kJ/kg-mol units |
| Heat of Combustion, Net form (HCB2) | 4.464788E+06 kJ/kg-mol units |
Molecular Properties
| Van der Waals Volume (VDWV) | NA |
| Van der Waals Area (VDWA) | NA |
| UNIQUAC Ri Parameter (RI) | 5.174200E+00 |
| UNIQUAC Qi Parameter (QI) | 4.396000E+00 |
| Dipole Moment (DM) | 0.000000E+00 debye units |
| Radius of Gyration (GYRAD) | 4.267000E+00 |
Single Temperature Properties
| Liquid Density (DENL) | 6.826116E-03 g-mol/cm^3 units |
| Temperature of DENL (TDENL) | 2.930000E+02 K units |
| Heat of Vaporizaiton (HVAP) | 3.169800E+04 kJ/kg-mol units |
| Temperature of HVAP (THVAP) | 3.716000E+02 K units |
| Surface Tension (SRF) | 2.014000E+01 dyn/cm units |
| Temperature of SRF (TSRF) | 2.932000E+02 K units |
| Dielectric Constant (DIEL) | NA |
| Temperature of DIEL (TDIEL) | NA |
| Refractive Index (RFI) | 1.385110E+00 |
| Temperature of RFI (TRFI) | 2.981500E+02 K units |
Hazardous Data
| Lower Flammability Limit(FLL) | 1.000000E+00 % in Air |
| Upper Flammability Limit(FLU) | 7.000000E+00 % in Air |
| Flash Point (Open Cup Method) | 2.692611E+02 K units |
| Flash Point (Closed Cup Method) | NA |
| Autoignition Temperature (AIGT) | 4.959278E+02 K units |
| NFPA Rating (Health) | |
| NFPA Rating (Fire) | |
| NFPA Rating (Safety) |