{
  "ALIASES": [
    "neopentn", 
    "NEOPENTANE"
  ], 
  "ANCILLARIES": {
    "pL": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.011877907135438015, 
      "n": [
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        -7.971208710752704, 
        2.5306662744660664, 
        -3.6491716187944356, 
        -72.03663743646202, 
        323.50182182555415
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      "reducing_value": 3196000.0, 
      "t": [
        0.973, 
        0.987, 
        1.865, 
        2.411, 
        9.003, 
        11.534
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.009973909412830384, 
      "n": [
        -7.502312156089728, 
        11.000117855992295, 
        -400.6256764267208, 
        433.78538017962705, 
        -45.58182775735909, 
        -0.7322302008433458
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      "reducing_value": 3196000.0, 
      "t": [
        1.011, 
        1.701, 
        2.3, 
        2.345, 
        2.698, 
        6.49
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      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.546133509156399, 
      "n": [
        2.811511709838611, 
        -0.6819933999019258, 
        143.31340246450836, 
        -250.44132450192117, 
        324.6743119533206, 
        -196312.80251857708
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      "reducing_value": 3270.0, 
      "t": [
        0.385, 
        0.435, 
        3.763, 
        4.175, 
        6.202, 
        16.14
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      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 433.74, 
      "Tmax": 433.73999999999927, 
      "Tmin": 256.6, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.6012535915160933, 
      "n": [
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        8.462476541870759, 
        -339.50200633681567, 
        403.5197007430728, 
        -111.52402460892499, 
        41.26753585967676
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      "reducing_value": 3270.0, 
      "t": [
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        1.753, 
        1.863, 
        2.594, 
        3.606
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2014", 
      "Tc": 433.74, 
      "a": [
        0.04465
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.21
      ]
    }
  }, 
  "CAS": "463-82-1", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 4, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 1, 
    "Name": "Neopentane", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Lemmon-JCED-2006", 
      "STATES": {
        "reducing": {
          "T": 433.74, 
          "T_units": "K", 
          "p": 3196000, 
          "p_units": "Pa", 
          "rhomolar": 3270, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 256.6, 
          "T_units": "K", 
          "p": 35.40094732708782, 
          "p_units": "Pa", 
          "rhomolar": 8701.720394850296, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
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          "T_units": "K", 
          "p": 35.40094732708782, 
          "p_units": "Pa", 
          "rhomolar": 16.951063913080816, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 550, 
      "T_max_units": "K", 
      "Ttriple": 256.6, 
      "Ttriple_units": "K", 
      "accentric": 0.1961, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": 0.8702452614, 
          "a2": 1.6071746358, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 3, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            14.422, 
            12.868, 
            17.247, 
            12.663
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          "t": [
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            3.977036934569097, 
            7.562133997325587, 
            17.9531516576751
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          "type": "IdealGasHelmholtzPlanckEinstein"
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      ], 
      "alphar": [
        {
          "d": [
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            1, 
            1, 
            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
          ], 
          "l": [
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            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            3, 
            3
          ], 
          "n": [
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            -0.10467, 
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            0.29553, 
            -0.074765, 
            -0.31474, 
            -0.099401, 
            -0.039569, 
            0.023177
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          "t": [
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            0.25, 
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            14.5, 
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.07214878, 
      "molar_mass_units": "kg/mol", 
      "p_max": 200000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "Neopentane", 
  "REFPROP_NAME": "NEOPENTN", 
  "STATES": {
    "critical": {
      "T": 433.74, 
      "T_units": "K", 
      "p": 3196000.0, 
      "p_units": "Pa", 
      "rhomolar": 3270.0, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 256.6, 
      "T_units": "K", 
      "p": 35.40094732708782, 
      "p_units": "Pa", 
      "rhomolar": 8701.720394850296, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 256.6, 
      "T_units": "K", 
      "p": 35.40094732708782, 
      "p_units": "Pa", 
      "rhomolar": 16.951063913080816, 
      "rhomolar_units": "mol/m^3"
    }
  }
}