R508B is an azeotropic HFC/PFC blend of R23 and R116 (46/54 by weight) with zero ODP and a GWP of 13,396. It is designed for the low-stage of cascade refrigeration systems reaching −60 to −85 °C, used in laboratory freezers, biobanks, environmental test chambers and semiconductor process cooling.
As a China-based refrigerant exporter with 37 years of experience, Dalian Tongtai (TCoolGas) supplies R508B 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.
−80 °C ultra-low freezers.
Sample and specimen storage.
Environmental test chambers.
Process cooling and wafer test.
| Parameter | Value |
|---|---|
| Chemical Name | Azeotropic blend R23/R116 (46/54) |
| CAS No. | — |
| Molecular Formula | CHF₃ / C₂F₆ |
| Molecular Weight | 95.39 g/mol |
| Boiling Point (1 atm) | −87.4 °C |
| Critical Temperature | 13.1 °C |
| Critical Pressure | 3.86 MPa |
| Liquid Density (0 °C) | 1.11 g/cm³ |
| ODP | 0 |
| GWP (AR5, 100-yr) | 13,396 |
| ASHRAE Safety Classification | A1 (non-flammable, low toxicity) |
| Purity | ≥ 99.9% |
| Moisture | ≤ 10 ppm |
| Acidity (as HF) | ≤ 1 ppm |
| Non-Condensable Gas | ≤ 1.5% |
| Appearance | Colorless gas |
| Packaging | Net Weight | 20'FCL Load | Type |
|---|---|---|---|
| Steel Cylinder | 9 kg | 1200 pcs | One-time fill |
| Steel Cylinder | 22 kg | 500 pcs | Refillable |
| Ton Cylinder | 500 kg | 14 units | Refillable |
| Y-Cylinder | 50 kg | - | Bulk service |
We'll reply within 24 hours with pricing and lead time.
