{
  "ALIASES": [
    "Decamethyltetrasiloxane", 
    "DECAMETHYLTETRASILOXANE"
  ], 
  "ANCILLARIES": {
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      "T_r": 599.4, 
      "Tmax": 599.3999999999985, 
      "Tmin": 205.2, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.015911818413938406, 
      "n": [
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        -8.21698111216424, 
        10.985237560743148, 
        -10.371245604660867, 
        -6.479810115178545, 
        -7.618743506292183
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      "reducing_value": 1227000.0, 
      "t": [
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        1.036, 
        1.62, 
        1.908, 
        3.756, 
        13.562
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 599.4, 
      "Tmax": 599.3999999999985, 
      "Tmin": 205.2, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.044312950276337304, 
      "n": [
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        -164.62126787390693, 
        1.542332070759232, 
        -1.6595566560133137, 
        -7.331305000038265, 
        -3.9960179968946954
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      "reducing_value": 1227000.0, 
      "t": [
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        0.908, 
        1.689, 
        2.4, 
        3.317, 
        9.992
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      "type": "pV", 
      "using_tau_r": true
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    "rhoL": {
      "T_r": 599.4, 
      "Tmax": 599.3999999999985, 
      "Tmin": 205.2, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.7458599587937931, 
      "n": [
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        -3.74559401424497, 
        5.916251369639319, 
        -4.86398948926266, 
        119.61817797890352, 
        -210.7258774176346
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      "reducing_value": 914.6616014999984, 
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        0.548, 
        1.612, 
        1.969, 
        12.198, 
        13.895
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      "type": "rhoLnoexp", 
      "using_tau_r": false
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    "rhoV": {
      "T_r": 599.4, 
      "Tmax": 599.3999999999985, 
      "Tmin": 205.2, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 1.4890727440140417, 
      "n": [
        -0.11322403921855548, 
        -5.400575739692096, 
        -5.64304102079293, 
        -25.864491940816304, 
        53.18850232422741, 
        -132.89980126138155
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      "reducing_value": 914.6616014999984, 
      "t": [
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        0.533, 
        2.232, 
        6.521, 
        9.438, 
        15.582
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      "type": "rhoV", 
      "using_tau_r": true
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  }, 
  "CAS": "141-62-8", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 2, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 1, 
    "Name": "MD2M", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Colonna-FPE-2008", 
      "STATES": {
        "reducing": {
          "T": 599.4, 
          "T_units": "K", 
          "p": 1227000, 
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          "rhomolar": 914.6616014999984, 
          "rhomolar_units": "mol/m^3"
        }, 
        "sat_min_liquid": {
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          "T_units": "K", 
          "p": 4.7950993795487e-07, 
          "p_units": "Pa", 
          "rhomolar": 3032.1188560391715, 
          "rhomolar_units": "mol/m^3"
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        "sat_min_vapor": {
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          "T_units": "K", 
          "p": 4.7950993795487e-07, 
          "p_units": "Pa", 
          "rhomolar": 2.810512915459994e-07, 
          "rhomolar_units": "mol/m^3"
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      "T_max": 673, 
      "T_max_units": "K", 
      "Ttriple": 205.2, 
      "Ttriple_units": "K", 
      "accentric": 0.668, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": -7.756334333038524, 
          "a2": 8.304835522982922, 
          "type": "IdealGasHelmholtzLead"
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        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
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        {
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          "c": [
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            93.46354164160995, 
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            62.70993515884111, 
            795.1
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          "type": "IdealGasHelmholtzCP0AlyLee"
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        {
          "a1": 9.28428984830427, 
          "a2": -5.60685303331121, 
          "reference": "NBP", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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      "alphar": [
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          "d": [
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            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
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          "n": [
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          "t": [
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            0.25, 
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.310685, 
      "molar_mass_units": "kg/mol", 
      "p_max": 30000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false
    }
  ], 
  "NAME": "MD2M", 
  "REFPROP_NAME": "MD2M", 
  "STATES": {
    "critical": {
      "T": 599.4, 
      "T_units": "K", 
      "p": 1227000.0, 
      "p_units": "Pa", 
      "rhomolar": 914.6616014999984, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_liquid": {
      "T": 205.2, 
      "T_units": "K", 
      "p": 4.7950993795487e-07, 
      "p_units": "Pa", 
      "rhomolar": 3032.1188560391715, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
      "T": 205.2, 
      "T_units": "K", 
      "p": 4.7950993795487e-07, 
      "p_units": "Pa", 
      "rhomolar": 2.810512915459994e-07, 
      "rhomolar_units": "mol/m^3"
    }
  }
}