{
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        -5.0389419188956387e-14
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      "Tmin": 87.953,
      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
      "max_abs_error": 242.41546040908725,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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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": 553.9157403966058,
      "max_abs_error_units": "J/mol",
      "type": "rational_polynomial"
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      "BibTeX": "Reeves-JCP-1964",
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      "_note": "Modified coefficients to make minimum state agree with triple point",
      "parts": [
        {
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        {
          "T_0": 109.6,
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      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.02358382509746182,
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      "type": "pV",
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      "Tmin": 87.95300000000002,
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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        1.8850870474961088,
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      "type": "rhoLnoexp",
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    "rhoV": {
      "T_r": 364.211,
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      "Tmin": 87.95300000000002,
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
      "max_abserror_percentage": 0.931595165746768,
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        1.1487831725277089e-15
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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": 0.8619163751196712,
      "max_abs_error_units": "J/mol/K",
      "type": "rational_polynomial"
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        -1.6161377016041794e-08,
        2.148962075653635e-11,
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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": 2.8299697075697434,
      "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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  "EOS": [
    {
      "BibTeX_CP0": "",
      "BibTeX_EOS": "Lemmon-PROPYLENE-2013",
      "STATES": {
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          "rhomolar_units": "mol/m^3",
          "smolar": 83.56799538032779,
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        "sat_min_liquid": {
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          "hmolar": -8389.974818153365,
          "hmolar_units": "J/mol",
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        "sat_min_vapor": {
          "T": 87.953,
          "T_units": "K",
          "hmolar": 16247.981438019186,
          "hmolar_units": "J/mol",
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          "rhomolar": 1.0217291002947073e-06,
          "rhomolar_units": "mol/m^3",
          "smolar": 220.37392151467708,
          "smolar_units": "J/mol/K"
        }
      },
      "T_max": 575,
      "T_max_units": "K",
      "Ttriple": 87.953,
      "Ttriple_units": "K",
      "acentric": 0.146,
      "acentric_units": "-",
      "alpha0": [
        {
          "a1": 4.9916462,
          "a2": -0.1709449,
          "type": "IdealGasHelmholtzLead"
        },
        {
          "a": 3,
          "type": "IdealGasHelmholtzLogTau"
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        {
          "n": [
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            5.304617378387802,
            11.85301926630442
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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": [
        {
          "d": [
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            2,
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            1,
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            2,
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          "l": [
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            1
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            -0.360693,
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          "type": "ResidualHelmholtzPower"
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        {
          "beta": [
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          "d": [
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          "epsilon": [
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          "eta": [
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          "gamma": [
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          "n": [
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          "type": "ResidualHelmholtzGaussian"
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      ],
      "critical_region_splines": {
        "T_max": 364.211,
        "T_min": 364.21077733486237,
        "_note": "Coefficients for the critical cubic spline.  T = c[0]*rho^3 + c[1]*rho^2 + c[2]*rho + c[3] with rho in mol/m^3 and T in K",
        "cL": [
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        "cV": [
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        "rhomolar_max": 5517.750988646923,
        "rhomolar_min": 5400.654755394478
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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
    }
  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=7954",
    "ALIASES": [
      "propylene",
      "PROPYLENE",
      "PROPYLEN",
      "R1270"
    ],
    "CAS": "115-07-1",
    "CHEMSPIDER_ID": 7954,
    "ENVIRONMENTAL": {
      "ASHRAE34": "A3",
      "FH": 4,
      "GWP100": 3.1,
      "GWP20": -1.0,
      "GWP500": -1.0,
      "HH": 1,
      "Name": "Propylene",
      "ODP": -1.0,
      "PH": 1
    },
    "FORMULA": "C_{3}H_{6}",
    "INCHI_KEY": "QQONPFPTGQHPMA-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/C3H6/c1-3-2/h3H,1H2,2H3",
    "NAME": "Propylene",
    "REFPROP_NAME": "PROPYLEN",
    "SMILES": "CC=C"
  },
  "STATES": {
    "critical": {
      "T": 364.211,
      "T_units": "K",
      "hmolar": 22348.096116413064,
      "hmolar_units": "J/mol",
      "p": 4555000.0,
      "p_units": "Pa",
      "rhomolar": 5457.0,
      "rhomolar_units": "mol/m^3",
      "smolar": 83.55933414502688,
      "smolar_units": "J/mol/K"
    },
    "triple_liquid": {
      "T": 87.953,
      "T_units": "K",
      "hmolar": -8389.974818153365,
      "hmolar_units": "J/mol",
      "p": 0.0007469480313533406,
      "p_units": "Pa",
      "rhomolar": 18254.562780551245,
      "rhomolar_units": "mol/m^3",
      "smolar": -59.75246708119243,
      "smolar_units": "J/mol/K"
    },
    "triple_vapor": {
      "T": 87.953,
      "T_units": "K",
      "hmolar": 16247.981438019186,
      "hmolar_units": "J/mol",
      "p": 0.0007469480313533406,
      "p_units": "Pa",
      "rhomolar": 1.0217291002947073e-06,
      "rhomolar_units": "mol/m^3",
      "smolar": 220.37392151467708,
      "smolar_units": "J/mol/K"
    }
  },
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Huber-IECR-2003",
      "f_int": {
        "T_reducing": 1.0,
        "T_reducing_units": "K",
        "a": [
          0.00109939,
          3.72539e-07
        ],
        "t": [
          0,
          1
        ]
      },
      "psi": {
        "a": [
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        "rhomolar_reducing": 5309.0,
        "rhomolar_reducing_units": "mol/m^3",
        "t": [
          0,
          1
        ]
      },
      "q_D": 1999999999.9999998,
      "q_D_units": "m",
      "reference_fluid": "Propane",
      "type": "ECS"
    },
    "viscosity": {
      "BibTeX": "Huber-IECR-2003",
      "epsilon_over_k": 298.9,
      "epsilon_over_k_units": "K",
      "psi": {
        "a": [
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        ],
        "rhomolar_reducing": 5309.0,
        "rhomolar_reducing_units": "mol/m^3",
        "t": [
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          2
        ]
      },
      "reference_fluid": "Propane",
      "sigma_eta": 4.678e-10,
      "sigma_eta_units": "m",
      "type": "ECS"
    }
  }
}