{
  "ALIASES": [
    "N2O", 
    "NITROUSOXIDE"
  ], 
  "ANCILLARIES": {
    "pL": {
      "T_r": 309.52, 
      "Tmax": 309.51999999999924, 
      "Tmin": 182.33, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.006797151133386414, 
      "n": [
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        18.980157921169518, 
        -0.9915637584760082, 
        -3.6052256452535647, 
        52.20126113055801, 
        -340.2395463889685
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      "reducing_value": 7245000.0, 
      "t": [
        1.06, 
        1.105, 
        1.754, 
        4.415, 
        9.887, 
        12.55
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 309.52, 
      "Tmax": 309.51999999999924, 
      "Tmin": 182.33, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.008317995318263272, 
      "n": [
        2.115457947739384, 
        -17.675380864870732, 
        -0.29834585629296156, 
        -2.0057540709496644, 
        -5.223431208153363, 
        9.982409851956168
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      "reducing_value": 7245000.0, 
      "t": [
        0.985, 
        1.029, 
        1.616, 
        3.337, 
        7.323, 
        1.092
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      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 309.52, 
      "Tmax": 309.51999999999924, 
      "Tmin": 182.33, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.6835792444787825, 
      "n": [
        2.248014962727216, 
        1354.8814407985476, 
        -227009237.43183637, 
        312935961.0720787, 
        -139155040.7743576, 
        295107831.0429585
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      "reducing_value": 10270.000000000002, 
      "t": [
        0.374, 
        6.796, 
        13.027, 
        13.205, 
        14.362, 
        18.638
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      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 309.52, 
      "Tmax": 309.51999999999924, 
      "Tmin": 182.33, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.5406788216657077, 
      "n": [
        -3.439484106428665, 
        -35.87348642351084, 
        98.43310989645504, 
        -173.87569213455475, 
        30857.724063434925, 
        -31916.967231256218
      ], 
      "reducing_value": 10270.000000000002, 
      "t": [
        0.428, 
        2.405, 
        3.115, 
        4.433, 
        8.312, 
        8.395
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      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 309.52, 
      "a": [
        0.07087
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.204
      ]
    }
  }, 
  "CAS": "10024-97-2", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 0, 
    "GWP100": 320.0, 
    "GWP20": 290.0, 
    "GWP500": 180.0, 
    "HH": 1, 
    "Name": "NitrousOxide", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Lemmon-JCED-2006", 
      "STATES": {
        "reducing": {
          "T": 309.52, 
          "T_units": "K", 
          "p": 7245000, 
          "p_units": "Pa", 
          "rhomolar": 10270, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
          "T": 182.33, 
          "T_units": "K", 
          "p": 87.83743922580841, 
          "p_units": "Pa", 
          "rhomolar": 28113.432079357477, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_vapor": {
          "T": 182.33, 
          "T_units": "K", 
          "p": 87.83743922580841, 
          "p_units": "Pa", 
          "rhomolar": 59.33601783159357, 
          "rhomolar_units": "mol/m^3"
        }
      }, 
      "T_max": 525, 
      "T_max_units": "K", 
      "Ttriple": 182.33, 
      "Ttriple_units": "K", 
      "accentric": 0.1613, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -4.4262736272, 
          "a2": 4.3120475243, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": 2.5, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            2.1769, 
            1.6145, 
            0.48393
          ], 
          "t": [
            2.839881106229, 
            7.663478935125356, 
            17.598216593435
          ], 
          "type": "IdealGasHelmholtzPlanckEinstein"
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      ], 
      "alphar": [
        {
          "d": [
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            1, 
            1, 
            3, 
            7, 
            1, 
            2, 
            5, 
            1, 
            1, 
            4, 
            2
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            1, 
            2, 
            2, 
            2, 
            3
          ], 
          "n": [
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            -2.4235, 
            0.38237, 
            0.068917, 
            0.00020367, 
            0.13122, 
            0.46032, 
            -0.0036985, 
            -0.23263, 
            -0.00042859, 
            -0.04281, 
            -0.023038
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          "t": [
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            1.5, 
            0.25, 
            0.875, 
            2.375, 
            2, 
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            3.5, 
            6.5, 
            4.75, 
            12.5
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.0440128, 
      "molar_mass_units": "kg/mol", 
      "p_max": 50000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "NitrousOxide", 
  "REFPROP_NAME": "N2O", 
  "STATES": {
    "critical": {
      "T": 309.52, 
      "T_units": "K", 
      "p": 7245000.0, 
      "p_units": "Pa", 
      "rhomolar": 10270.000000000002, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 182.33, 
      "T_units": "K", 
      "p": 87.83743922580841, 
      "p_units": "Pa", 
      "rhomolar": 28113.432079357477, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 182.33, 
      "T_units": "K", 
      "p": 87.83743922580841, 
      "p_units": "Pa", 
      "rhomolar": 59.33601783159357, 
      "rhomolar_units": "mol/m^3"
    }
  }
}