{
  "slug": "r-744",
  "displayName": "R-744",
  "altSpellings": [
    "R744",
    "CO2",
    "Carbon Dioxide"
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  "chemicalName": "Carbon dioxide",
  "chemicalFormula": "CO2",
  "ashraeNumber": "R-744",
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  "safetyClass": "A1",
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    "boilingPointF": null,
    "boilingPointDewC": null,
    "boilingPointDewF": null,
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      "pressurePsig": 1055.3,
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      "pressureKpaG": 7276
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    "temperatureGlideF": 0,
    "hasSignificantGlide": false
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    "odp": 0,
    "gwp": {
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        "value": 1,
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      "ar4": {
        "value": 1,
        "source": "ipcc_ar4"
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      "ar5": {
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      "ar6": {
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    "New vehicle A/C (EPA: acceptable, subject to use conditions)[epamvacrefrigerants]"
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    "r-22"
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