{
  "ALIASES": [
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    "WATER", 
    "H2O", 
    "h2o"
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
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      "type": "rational_polynomial"
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      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
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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", 
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      "type": "rational_polynomial"
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      "type": "rational_polynomial"
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    "surface_tension": {
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      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
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  "CAS": "7732-18-5", 
  "ENVIRONMENTAL": {
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    "FH": 0, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
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    "PH": 0
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          "type": "ResidualHelmholtzGaussian"
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          "type": "ResidualHelmholtzNonAnalytic"
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      "gas_constant": 8.314371357587, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.018015268, 
      "molar_mass_units": "kg/mol", 
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      "p_max_units": "Pa", 
      "pseudo_pure": false
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  ], 
  "NAME": "Water", 
  "REFPROP_NAME": "WATER", 
  "STATES": {
    "critical": {
      "T": 647.096, 
      "T_units": "K", 
      "p": 22064000.0, 
      "p_units": "Pa", 
      "rhomolar": 17873.72799560906, 
      "rhomolar_units": "mol/m^3"
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    "triple_liquid": {
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      "p": 0.6116547710080396, 
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      "rhomolar": 55496.95514003037, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
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  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Huber-JPCRD-2012", 
      "hardcoded": "Water"
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    "viscosity": {
      "BibTeX": "Huber-JPCRD-2009", 
      "hardcoded": "Water"
    }
  }
}