{
  "ALIASES": [
    "propylene", 
    "PROPYLENE"
  ], 
  "ANCILLARIES": {
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        7.330345584768746e-11, 
        -5.039244089712732e-14
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        -0.0027070315280724477
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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": 242.47068984066482, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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        1.667087921155331e-07, 
        -2.575660466646416e-10, 
        1.6839335464444013e-13
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        -0.0027056869223002467
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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": 559.6975776629452, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
    }, 
    "melting_line": {
      "BibTeX": "Reeves-JCP-1964", 
      "T_m": 88.05999999999997, 
      "parts": [
        {
          "T_0": 86.0, 
          "T_max": 129, 
          "T_min": 86.0, 
          "a": 319600000.0, 
          "c": 2.821, 
          "p_0": 0
        }, 
        {
          "T_0": 109.6, 
          "T_max": 145.3, 
          "T_min": 129, 
          "a": 306400000.0, 
          "c": 3.871, 
          "p_0": 445000000.0
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      "type": "Simon"
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      "Tmax": 364.2109999999991, 
      "Tmin": 87.95300000000002, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.039256968605339004, 
      "n": [
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        3.6974583382927824, 
        -5.973792950295522, 
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      "reducing_value": 4555000.0, 
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        2.913, 
        3.289, 
        6.805, 
        18.129
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      "type": "pL", 
      "using_tau_r": true
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    "pV": {
      "T_r": 364.211, 
      "Tmax": 364.2109999999991, 
      "Tmin": 87.95300000000002, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.02358382509746182, 
      "n": [
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        0.8043847738472081, 
        -2.629218877933464, 
        -20.055797246021456, 
        23.93889034404838, 
        -5.927221357425409
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      "reducing_value": 4555000.0, 
      "t": [
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        1.914, 
        3.354, 
        8.871, 
        9.472, 
        12.201
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      "type": "pV", 
      "using_tau_r": true
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    "rhoL": {
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      "Tmax": 364.2109999999991, 
      "Tmin": 87.95300000000002, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.15187793211883793, 
      "n": [
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        0.7037673936905474, 
        0.6950815609799416, 
        1.8850870474961088, 
        -2.1702211585216302, 
        2.21238242151199
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      "reducing_value": 5457.0, 
      "t": [
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        0.701, 
        5.657, 
        6.864, 
        15.279
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      "type": "rhoLnoexp", 
      "using_tau_r": false
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    "rhoV": {
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      "Tmax": 364.2109999999991, 
      "Tmin": 87.95300000000002, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.931595165746768, 
      "n": [
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        4.2053374767917395, 
        -8.021462611933476, 
        4.971018368148577, 
        -4.664302402572978, 
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        16.862
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      "type": "rhoV", 
      "using_tau_r": true
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        4.474058496135499, 
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        0.00020407873804568927, 
        -7.416229480453332e-07, 
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        -0.0026780629218972275
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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": 0.8620994483373341, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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        0.270832448627616, 
        -0.0017198474525282454, 
        6.764994306267737e-06, 
        -1.616071621612626e-08, 
        2.148854143535545e-11, 
        -1.2196958581972123e-14
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        -0.0025315081471470914
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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": 2.847437396322664, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 364.211, 
      "a": [
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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  "CAS": "115-07-1", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A3", 
    "FH": 4, 
    "GWP100": 3.1, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 1, 
    "Name": "Propylene", 
    "ODP": -1.0, 
    "PH": 1
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Lemmon-PROPYLENE-2013", 
      "STATES": {
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          "T": 400.63210000000004, 
          "T_units": "K", 
          "hmolar": 12912.585872682763, 
          "hmolar_units": "J/mol", 
          "p": 7310423.540616655, 
          "p_units": "Pa", 
          "rhomolar": 4911.3, 
          "rhomolar_units": "mol/m^3", 
          "smolar": 8.832842811538685, 
          "smolar_units": "J/mol/K"
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        "reducing": {
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          "T_units": "K", 
          "p": 4555000, 
          "p_units": "Pa", 
          "rhomolar": 5457, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 87.953, 
          "T_units": "K", 
          "p": 7.471728686559866e-07, 
          "p_units": "Pa", 
          "rhomolar": 18254.562780551245, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 87.953, 
          "T_units": "K", 
          "p": 7.471728686559866e-07, 
          "p_units": "Pa", 
          "rhomolar": 1.0217291002947154e-06, 
          "rhomolar_units": "mol/m^3"
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      "T_max": 575, 
      "T_max_units": "K", 
      "Ttriple": 87.953, 
      "Ttriple_units": "K", 
      "accentric": 0.146, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": 4.9916462, 
          "a2": -0.1709449, 
          "type": "IdealGasHelmholtzLead"
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        {
          "a": 3, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
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            4.013, 
            8.923, 
            6.02
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          "t": [
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            5.304617378387802, 
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          "type": "IdealGasHelmholtzPlanckEinstein"
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        {
          "a1": -10.1739741651451, 
          "a2": 4.53493517654279, 
          "reference": "IIR", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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      "alphar": [
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            2, 
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          "l": [
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          "n": [
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          "type": "ResidualHelmholtzPower"
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        {
          "beta": [
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          "d": [
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            2, 
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          "epsilon": [
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            1.94, 
            0.69, 
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            0.38, 
            0.91, 
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          "eta": [
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            0.66, 
            1.2, 
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            1.47, 
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            15.4, 
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          "gamma": [
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          "n": [
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          "t": [
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          "type": "ResidualHelmholtzGaussian"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.04207974, 
      "molar_mass_units": "kg/mol", 
      "p_max": 1000000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Propylene", 
  "REFPROP_NAME": "PROPYLEN", 
  "STATES": {
    "critical": {
      "T": 364.211, 
      "T_units": "K", 
      "p": 4555000.0, 
      "p_units": "Pa", 
      "rhomolar": 5457.0, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 87.953, 
      "T_units": "K", 
      "p": 7.471728686559866e-07, 
      "p_units": "Pa", 
      "rhomolar": 18254.562780551245, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 87.953, 
      "T_units": "K", 
      "p": 7.471728686559866e-07, 
      "p_units": "Pa", 
      "rhomolar": 1.0217291002947154e-06, 
      "rhomolar_units": "mol/m^3"
    }
  }
}