Minimum quantity 600 lbs.
R-503
A sub-web courtesy of Refrigerant Supply Inc.
Refrigerant Supply is a registered Ohio corporation,
founded in 1996, with multiple locations across the United States.
R-503
Other names and brand names: CFC-503, Freon-503 Genetron-503, Forane-503
Freon is a registered trade name for E. I. DuPont. Genetron is a registered trade name for Allied Signal Corporation. Forane is a registered trade name for Elf Atochem.
General Information
| Chemical Formula | CAS Registry # | Color & Odor | Refrigerant Applications |
| Azeotropic Blend of R-13 and R-23 | 75-46-7 and 75-72-9 | Colorless Pressurized liquid with slight ether like odor | Very low temperature refrigeration |
Physical Data
| Molecular Mass | Boiling Point C° | Boiling Point F° | Critical Temperature C° | Critical Temperature F° | Critical Pressure MPa | Critical Pressure psia |
| 87.25 | -87.5 | -125.5 | 18.4 | 65.1 | 4.27 | 619 |
Toxicity & Global Warming Data
| TLV-TWA | Years of Atmospheric Lifetime | Ozone Depletion Potential | Global Warming Potential |
| 1,000 | 0.599 | 14300 |
Packaging Information
| Packaged in | Volumes available in pounds | Color of Container |
| Pressurized cylinders | 5, 9, 20, 80 | Blue-green (aqua) |
Shipping Information
| DOT Shipping Name | Hazard Class | UN/NA Number | Packing Group | Labels Required |
| Chlorotrifluoromethane and trifluoromethane azeotropic mixture | 2.2 | UN2599 | nonflammable gas |
ARI 700 Reclaim Standards
| Allowable Comp. Weight % | Air and other non-condensables % by volume @ 25°C | Water in ppm by weight | All other impurities including refrigerants as % by weight | Oil and other high boiling residues as % by volume | Particulates/solids visually clean to pass | Acidity as ppm by weight | Chloride (pass/fail is 3 ppm) |
| 39.0-41.0 59.0-61.0 | 1.5 | 10 | 0.50 | 0.01 | pass | 1.0 | pass |
Alternative Refrigerant Option for R-13 Chillers
(Alternative will require retrofit and maybe new equipment)
| Alternative | Composition | Manufacturers | Trade Names |
| HFC-23 | N/A | DuPont | SUVA 23 |
| R-508 | HFC-23 R-116 (C2F6) | DuPont ICI Americas | SUVA-95 KLEA 508 |
SUVA is a registered trade name for E. I. DuPont
KLEA is a registered trade name for ICI Americas
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