{
  "ANCILLARIES": {
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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": 233.17397640253148,
      "max_abs_error_units": "J/mol",
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      "max_abs_error_units": "J/mol/K",
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      "BibTeX": "Mulero-JPCRD-2012",
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        "sat_min_vapor": {
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      "BibTeX_CP0": "TillnerRoth-IJT-1995",
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        "sat_min_vapor": {
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      "Ttriple": 154.56,
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        {
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  ],
  "INFO": {
    "2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=6128",
    "ALIASES": [
      "R152a"
    ],
    "CAS": "75-37-6",
    "CHEMSPIDER_ID": 6128,
    "ENVIRONMENTAL": {
      "ASHRAE34": "A2",
      "FH": 4,
      "GWP100": 124.0,
      "GWP20": 437.0,
      "GWP500": 38.0,
      "HH": 1,
      "Name": "R152A",
      "ODP": -1.0,
      "PH": 1
    },
    "FORMULA": "C_{2}F_{2}H_{4}",
    "INCHI_KEY": "NPNPZTNLOVBDOC-UHFFFAOYSA-N",
    "INCHI_STRING": "InChI=1S/C2H4F2/c1-2(3)4/h2H,1H3",
    "NAME": "R152A",
    "REFPROP_NAME": "R152A",
    "SMILES": "CC(F)F"
  },
  "STATES": {
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    "triple_liquid": {
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    "triple_vapor": {
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  },
  "TRANSPORT": {
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      "BibTeX": "Krauss-IJT-1996",
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        "type": "ratio_of_polynomials"
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      "residual": {
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        "rhomass_reducing": 368.0,
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        "type": "polynomial"
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    "viscosity": [
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        "BibTeX": "Bell-PURDUE-2016-ETA",
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        "c_vap": [
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        "rhosr_critical": -71960.49367077358,
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        "x_crossover": 2
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      {
        "BibTeX": "Krauss-IJT-1996",
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          "type": "collision_integral"
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        "epsilon_over_k": 354.84,
        "epsilon_over_k_units": "K",
        "higher_order": {
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          "d1": [
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          "d2": [
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          "f": [
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          "rhomolar_reduce": 5571.536714610144,
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          "t2": [
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          "type": "modified_Batschinski_Hildebrand"
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        "sigma_eta": 4.6115e-10,
        "sigma_eta_units": "m"
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    ]
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}