{
  "ALIASES": [
    "nOctane", 
    "Octane", 
    "OCTANE", 
    "N-OCTANE"
  ], 
  "ANCILLARIES": {
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        3.0284434323938835e-11, 
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        -0.001735277382502792
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      "Tmax": 569.22, 
      "Tmin": 216.37, 
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 218.96697375173244, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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        278.67415144875497, 
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        0.022926376024715277, 
        -6.617599879528354e-05, 
        1.1056168201613134e-07, 
        -1.0045509104426989e-10, 
        3.870199015698616e-14
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        -0.0017296026064149731
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      "Tmax": 569.22, 
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 506.22980540940716, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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      "Tmax": 569.3199999999987, 
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      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.03259167684415143, 
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        -3.319035552509312, 
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      "type": "pL", 
      "using_tau_r": true
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      "Tmax": 569.3199999999987, 
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      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.03344956709157021, 
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        3.0337666003844825, 
        -3.3225607356333495, 
        -4.49734520248938, 
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        6.784
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      "type": "pV", 
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    "rhoL": {
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      "Tmax": 569.3199999999987, 
      "Tmin": 216.37, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 1.6284908206273374, 
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        12.226059321950915, 
        -20.5321471354057, 
        269.9131977143042
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        5.702, 
        15.156
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      "type": "rhoLnoexp", 
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      "Tmax": 569.3199999999987, 
      "Tmin": 216.37, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 1.7487141276920637, 
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        -12.089045783083211, 
        -6.9190060351908285, 
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        -833.7529582567691
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      "type": "rhoV", 
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.4193236143288033, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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        -0.00026955407386753446, 
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        -6.974685577345053e-10, 
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      "Tmax": 569.22, 
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.0099485409623599, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 569.32, 
      "a": [
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        -0.50634, 
        0.2238
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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        1.9632, 
        2.3547
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  }, 
  "CAS": "111-65-9", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 3, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 2, 
    "Name": "n-Octane", 
    "ODP": -1.0, 
    "PH": 0
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  "EOS": [
    {
      "BibTeX_CP0": "Jaeschke-IJT-1995", 
      "BibTeX_EOS": "Span-IJT-2003B", 
      "STATES": {
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          "smolar": 167.53444474428903, 
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          "hmolar_units": "J/mol", 
          "p": 2497000, 
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        "sat_min_liquid": {
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          "hmolar": -47585.70276275766, 
          "hmolar_units": "J/mol", 
          "p": 1.9889161260597106, 
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          "rhomolar_units": "mol/m^3", 
          "smolar": -157.17671715339853, 
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        "sat_min_vapor": {
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      "T_max": 548, 
      "T_max_units": "K", 
      "Ttriple": 216.37, 
      "Ttriple_units": "K", 
      "accentric": 0.395, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": -1.601873998562896, 
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          "type": "IdealGasHelmholtzLead"
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        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
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        {
          "T0": 398.773831136, 
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            33.8029, 
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          "type": "IdealGasHelmholtzCP0AlyLee"
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        {
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          "type": "IdealGasHelmholtzCP0AlyLee"
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        {
          "a1": 17.1871525209699, 
          "a2": -1.39902544739164, 
          "reference": "NBP", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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      "alphar": [
        {
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            1, 
            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
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          "l": [
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            2, 
            2, 
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          "n": [
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          "t": [
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.1142285, 
      "molar_mass_units": "kg/mol", 
      "p_max": 96000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
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  ], 
  "NAME": "n-Octane", 
  "REFPROP_NAME": "OCTANE", 
  "STATES": {
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      "T": 569.32, 
      "T_units": "K", 
      "p": 2497000.0, 
      "p_units": "Pa", 
      "rhomolar": 2056.4, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
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      "T_units": "K", 
      "hmolar": -47585.70276275766, 
      "hmolar_units": "J/mol", 
      "p": 1.9889161260597106, 
      "p_units": "Pa", 
      "rhomolar": 6686.398950048654, 
      "rhomolar_units": "mol/m^3", 
      "smolar": -157.17671715339853, 
      "smolar_units": "J/mol/K"
    }, 
    "triple_vapor": {
      "T": 216.37, 
      "T_units": "K", 
      "hmolar": -50.125450357556204, 
      "hmolar_units": "J/mol", 
      "p": 1.9889162311318433, 
      "p_units": "Pa", 
      "rhomolar": 0.0011055747558322549, 
      "rhomolar_units": "mol/m^3", 
      "smolar": 62.519069109984336, 
      "smolar_units": "J/mol/K"
    }
  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Huber-FPE-2005", 
      "critical": {
        "GAMMA": 0.0496, 
        "R0": 1.03, 
        "gamma": 1.239, 
        "qD": 1457130000.0, 
        "type": "simplified_Olchowy_Sengers", 
        "zeta0": 1.94e-10
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      "dilute": {
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        "B": [
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        "T_reducing": 569.32, 
        "T_reducing_units": "K", 
        "m": [
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        "n": [
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          1, 
          2, 
          3
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        "type": "ratio_of_polynomials"
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      "residual": {
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        "T_reducing": 569.32, 
        "T_reducing_units": "K", 
        "d": [
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        "rhomass_reducing": 234.9, 
        "rhomass_reducing_units": "kg/m^3", 
        "t": [
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          -1
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        "type": "polynomial"
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    }, 
    "viscosity": {
      "BibTeX": "Huber-FPE-2004", 
      "dilute": {
        "C": 2.1357e-08, 
        "a": [
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          -0.467898
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        "molar_mass": 0.1142285, 
        "molar_mass_units": "kg/mol", 
        "t": [
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          1
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        "type": "collision_integral"
      }, 
      "epsilon_over_k": 452.09, 
      "epsilon_over_k_units": "K", 
      "higher_order": {
        "T_reduce": 569.32, 
        "T_reduce_units": "K", 
        "a": [
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          9.92302e-05, 
          1.13327e-05, 
          -3.22455e-05
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        "d1": [
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        "d2": [
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        "f": [
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        "g": [
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        "gamma": [
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        "h": [
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        "l": [
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        "p": [
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        "q": [
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        "rhomolar_reduce": 2056.4, 
        "rhomolar_reduce_units": "mol/m^3", 
        "t1": [
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        "t2": [
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        "type": "modified_Batschinski_Hildebrand"
      }, 
      "initial_density": {
        "b": [
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          2491.6597, 
          -787.26086, 
          14.085455, 
          -0.34664158
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        "t": [
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          -2.5, 
          -5.5
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        "type": "Rainwater-Friend"
      }, 
      "sigma_eta": 6.3617e-10, 
      "sigma_eta_units": "m"
    }
  }
}