{
  "slug": "r-1224yd-z",
  "displayName": "R-1224yd(Z)",
  "altSpellings": [
    "R1224ydZ",
    "R-1224yd",
    "AMOLEA 1224yd"
  ],
  "chemicalName": "(Z)-1-Chloro-2,3,3,3-tetrafluoro-1-propene",
  "chemicalFormula": "CF3CF=CHCl (Z isomer)",
  "ashraeNumber": "R-1224yd(Z)",
  "type": "hfo-pure",
  "safetyClass": "A1",
  "tradeNames": [
    {
      "name": "AMOLEA 1224yd",
      "manufacturer": "AGC Chemicals"
    }
  ],
  "composition": [],
  "physical": {
    "boilingPointC": 14.5,
    "boilingPointF": 58.1,
    "critical": {
      "tempC": 155.5,
      "tempF": 311.9,
      "pressurePsia": 478,
      "pressurePsig": 463,
      "pressureKpaA": 3294,
      "pressureKpaG": 3193
    },
    "molarMassGPerMol": 148.49,
    "liquidDensityKgPerM3At25C": 1349,
    "temperatureGlideF": 0,
    "hasSignificantGlide": false
  },
  "environmental": {
    "odp": 0.00012,
    "gwp100Ar5": 1,
    "gwp100Ar6": null,
    "atmosphericLifetimeYears": 0.06,
    "snapStatus": "Listed acceptable for use as a substitute for R-123 in centrifugal chillers"
  },
  "lubricants": {
    "compatible": [
      "POE",
      "PVE"
    ],
    "incompatible": [
      "MO"
    ],
    "notes": "Designed as a low-GWP replacement for R-123 in low-pressure centrifugal chillers."
  },
  "applications": [
    "Low-pressure centrifugal chillers (high-tonnage commercial)",
    "Industrial cooling"
  ],
  "replacementOptions": [],
  "replaces": [
    "r-123"
  ],
  "regulatoryStatus": {
    "epaPhaseoutComplete": false,
    "epaPhaseoutDate": null,
    "aimActAffected": false,
    "snapApproved": true
  },
  "ptChart": [],
  "dataSource": {
    "ptChartSource": "Published Helmholtz EOS: Akasaka & Lemmon (2023), International Journal of Thermophysics 44, 166.",
    "ptChartGeneratedAt": "2026-06-05T07:53:55.784Z",
    "ptChartVerifiedAgainst": [
      "AGC AMOLEA 1224yd technical datasheet"
    ],
    "propertiesSource": "AGC AMOLEA 1224yd technical datasheet",
    "gwpSource": "IPCC AR5 (approximation for HCFO)",
    "dataStatus": "published-eos-not-in-build",
    "primarySources": [
      {
        "type": "peer-reviewed-eos",
        "citation": "Akasaka, R. and Lemmon, E.W. (2023), \"A Helmholtz Energy Equation of State for cis-1-Chloro-2,3,3,3-tetrafluoro-1-propene [R-1224yd(Z)]\", International Journal of Thermophysics 44, 166.",
        "url": "https://link.springer.com/article/10.1007/s10765-023-03266-3",
        "doi": "10.1007/s10765-023-03266-3",
        "scope": "Fundamental EOS valid from triple-point T (157.8 K) to 473 K, pressures up to 35 MPa. Includes vapor-pressure ancillary equation suitable for PT chart generation.",
        "note": "Also implemented in NIST REFPROP 10.0 as 'R1224YDZ'."
      },
      {
        "type": "measurement",
        "citation": "Sotani, T. et al. (2022), \"Saturation vapour pressure measurements of refrigerant R1224yd(Z) from 274 K to 338 K\", International Journal of Refrigeration.",
        "url": "https://www.sciencedirect.com/science/article/abs/pii/S0140700722003450",
        "scope": "Static-method vapor pressure measurements at INRIM, 274-338 K, precision capacitance manometer (full scale 0.5 MPa). Used to validate Akasaka & Lemmon (2023) EOS."
      },
      {
        "type": "manufacturer-datasheet",
        "citation": "AGC Chemicals, \"AMOLEA 1224yd Technical Information\" (PDF).",
        "url": "https://www.agc-chemicals.com/file/AMOLEAyd_Tech_English_D.PDF",
        "scope": "Manufacturer-published PT table and P-h diagram covering the operating range. Free download from AGC Chemicals website."
      }
    ]
  }
}