R449A is an HFO/HFC blend used in low- and medium-temperature commercial and industrial refrigeration. This 25 lb cylinder is suitable for approved new equipment and retrofits replacing R404A, R507A, R22 or selected R407-series refrigerants.
R449A is an HFO/HFC blend used in low- and medium-temperature commercial and industrial refrigeration. This 25 lb cylinder is suitable for approved new equipment and retrofits replacing R404A, R507A, R22 or selected R407-series refrigerants.
Use R449A only in equipment designed for R449A or in a manufacturer-approved retrofit. Do not mix it with R404A, R507A, R22 or another refrigerant. Confirm lubricant, controls and operating settings before conversion.

| Refrigerant | R449A refrigerant blend |
| Molecular Formula | Refrigerant blend |
| Net Weight | 25 lb (11.3 kg) |
| Purity | ≥ 99.80% |
| Cylinder | Pressure-resistant steel |
| Molecular formula | Refrigerant blend |
| Molecular weight | 87.20 |
| Boiling point @ 1 atm | -46.00°C |
| Working pressure @ 25°C | 1.275 MPa |
| Liquid density | 1113.3 kg/m³ |
| Critical temperature | 81.50°C |
| Critical pressure | 4.45 MPa |
| Water content | ≤ 0.001% |
| Acidity | ≤ 0.0001% |
| Evaporation residue | ≤ 0.01% |
| Appearance | Colorless and clear |
| Odor | Odorless |
Return approval and specialized carrier requirements may apply. Return shipping costs are the customer's responsibility.
R449A is used in medium- and low-temperature refrigeration, but it is not a top-off replacement for another refrigerant.
Retrofit and service work should be completed by appropriately EPA Section 608-certified personnel.
The cylinder contains 25 lb (11.3 kg) net weight of R449A. Inspect the label, valve, seal, and package before use.
R449A should be transferred from the cylinder in the liquid phase and charged by weight.
Commission the converted system according to the retrofit guide and follow the Safety Data Sheet.
Planning an R449A conversion? Send support the current refrigerant, compressor model, application, and target temperature.
Use R449A only when specified by the equipment manufacturer or an approved retrofit plan. It is not interchangeable with R404A, R448A, or another refrigerant. Before purchasing, check the equipment nameplate and manufacturer documentation. If you are unsure, send us a clear photo of the nameplate and consult a qualified technician.
R449A refrigerant blend is intended for compatible commercial refrigeration and low-temperature equipment. The listed applications are general guidance only; the equipment nameplate and manufacturer specification determine the correct refrigerant.
The cylinder contains 25 lb (11.3 kg) net weight of R449A refrigerant. Net contents do not include the cylinder tare weight or outer packaging. Verify the product label, seal, and cylinder condition when the shipment arrives.
No. Refrigerants are not interchangeable and should not be mixed. Use only the refrigerant approved for the equipment. Any conversion or retrofit must follow the equipment or retrofit manufacturer's written requirements and be completed by a qualified professional.
A qualified refrigeration professional should confirm system compatibility, lubricant, controls, and approved service procedures before installation or charging. Purchasing, handling, recovery, transport, and installation requirements may vary by product, application, and location. Confirm the rules that apply to you before ordering or using the product.
Shipping is free on U.S. orders. Orders ship from the United States within 24 business hours, and estimated delivery is 2–5 business days. Tracking is provided after dispatch. Carrier and hazardous-material restrictions may apply.
Do not use the cylinder if it is leaking, the valve is damaged, or the package appears unsafe. Keep it away from heat, flames, and occupied indoor areas, and do not attempt a repair. Contact support with the order number and clear photos of the cylinder, valve, damage, packaging, shipping label, and batch code so the issue can be reviewed.
A return must be requested within 30 days. Only unused, unopened cylinders in their original condition and packaging are eligible. Contact support for approval before returning regulated goods. Specialized carrier requirements may apply, return shipping costs are the customer's responsibility, and refunds are issued after inspection.
Bulk pricing may be available depending on quantity, destination, inventory, freight requirements, and applicable shipping restrictions. Send the required quantity, cylinder size, delivery ZIP code or country, company details, and requested delivery date for a confirmed quotation.
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