R600a (Isobutane, CAS 75-28-5) is a natural hydrocarbon refrigerant with zero ODP and a GWP of 3. It is the global standard for household refrigerators and freezers - over 1 billion units in service worldwide - thanks to its excellent energy efficiency and low charge (typically 30-150 g per appliance).
As a China-based refrigerant exporter with 37 years of experience, Dalian Tongtai (TCoolGas) supplies R600a to 50+ countries with full SDS / TDS / COA per batch. We support mixed-SKU container consolidation and provide third-party re-test reports within 24 hours on request.
Refrigerators and freezers.
Small plug-in coolers and vending.
Propellant in personal-care aerosols.
R417A, R422D, R438A minor component.
| Parameter | Value |
|---|---|
| Chemical Name | Isobutane (2-Methylpropane) |
| CAS No. | 75-28-5 |
| Molecular Formula | C₄H₁₀ |
| Molecular Weight | 58.12 g/mol |
| Boiling Point (1 atm) | −11.7 °C |
| Critical Temperature | 134.7 °C |
| Critical Pressure | 3.63 MPa |
| Liquid Density (25 °C) | 0.551 g/cm³ |
| ODP | 0 |
| GWP (AR5, 100-yr) | 3 |
| ASHRAE Safety Classification | A3 (flammable, low toxicity) |
| Purity | ≥ 99.5% (refrigerant grade) |
| Moisture | ≤ 10 ppm |
| Sulfur | ≤ 1 ppm |
| Non-Condensable Gas | ≤ 1.5% |
| Appearance | Colorless gas |
| Packaging | Net Weight | 20'FCL Load | Type |
|---|---|---|---|
| Steel Cylinder | 6.5 kg | 1600 pcs | Refillable |
| Steel Cylinder | 14 kg | 800 pcs | Refillable |
| Ton Cylinder | 425 kg | 14 units | Refillable |
| ISO Tank | ~10,000 kg | - | Bulk supply |
We'll reply within 24 hours with pricing and lead time.
