Critical Environment Technologies
    Traditional Refrigerants

    R-507

    R125/R143a

    R-507 (R-507A) is an azeotropic HFC blend used in low and medium temperature commercial refrigeration. It is a common replacement for R-502 with no glide.

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    Key Information

    Essential safety and exposure information for R-507

    Health Effects

    May cause cardiac sensitization at high concentrations. Can displace oxygen. Decomposition products are toxic when exposed to flames.

    Common Sources

    • Industrial refrigeration
    • supermarkets
    • ice machines
    • cold storage

    Exposure Limits

    WEEL
    1,000 ppm (8-hr TWA)
    No OSHA/NIOSH limit
    No OSHA/NIOSH limit
    R125/R143a blend
    R125/R143a blend

    Regulatory Status

    EPA SNAP
    Acceptable with restrictions
    ASHRAE 34
    A1 Safety Classification
    GWP
    3985
    ODP
    0
    DOT
    Class 2.2 Non-flammable, UN3163
    F-Gas Regulation
    High-GWP phase-down

    Detection Requirements

    Sensor Technology
    Infrared (NDIR)
    Detection Range
    0-1,000 ppm (typical)
    Response Time
    <60 seconds (T90)
    Cross-Sensitivity
    Test for blend-specific response
    Calibration
    Annual with target gas recommended

    Detection Solutions Coming Soon

    We're working on adding related products and applications for R-507.