Isobutane
R600a (isobutane) is the mainstream natural refrigerant for domestic refrigerators. With a boiling point of -11.7℃ and a GWP of only about 3, it offers high efficiency and small charge for household and small commercial cooling.
| Chemical Name | Isobutane |
|---|---|
| Molecular Formula | C₄H₁₀ |
| Molecular Weight | 58.12 |
| Boiling Point (101.3 kPa) | -11.7 ℃ |
| Critical Temperature | 134.7 ℃ |
| Critical Pressure | 3.64 MPa |
| ODP (Ozone Depletion Potential) | 0 |
| GWP (Global Warming Potential) | 3 |
| ASHRAE Safety Class | A3 (Flammable) |
| Vapor Density (air = 1) | 2.006 |
| Liquid Density (20/4℃) | 0.5569 |
| Critical Density (g/cm³) | 0.2255 |
| Acentric Factor | 0.1835 |
| Triple Point Temperature (°C) | -159.420 |
| Appearance | Colorless, transparent, free of turbidity |
|---|---|
| Purity | ≥ 99.9 % |
| Moisture | ≤ 10 ppm |
| Acidity (as HCl) | ≤ 1 ppm |
| Evaporation Residue | ≤ 0.01 % |
| Executing Standard | Compliant with national and industry standards |
| 3 / 6 kg | Disposable steel cylinder |
|---|---|
| 13.6 kg | Refillable steel cylinder |
Must be compatible with mineral / POE oil
R600a is an A3 flammable fluid. Design per flammable-refrigerant codes; appliances must be explosion-proof with good ventilation; never charge large amounts in enclosed spaces.
| Storage & Transportation | Store in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Strictly separate from oxidizers. Inspect cylinders periodically and handle gently. |
|---|
This Technical Data Sheet (TDS) is provided by Kelvins Data are based on current product standards and Wulachem’s finished-product technical references, for reference only; actual parameters are subject to the factory inspection report. For the official MSDS/SDS or batch inspection report, please contact us.
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