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R600a Isobutane Refrigerant

Alias: Isobutane | Formula: C₄H₁₀ | CAS: 75-28-5

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.

ODP (Ozone Depletion)
0
GWP (Global Warming)
3
Boiling Point (101.3 kPa)
-11.7 ℃
Safety Class
A3 (Flammable)
Reference Price Contact for quote

Physical & Chemical Properties

R600a Refrigerant Physical & Chemical Properties
Chemical NameR600a Isobutane Refrigerant
Molecular FormulaC₄H₁₀
Molecular Weight58.12
Boiling Point (101.3 kPa)-11.7 ℃
Critical Temperature134.7 ℃
Critical Pressure3.64 MPa
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)3
ASHRAE Safety ClassA3 (Flammable)

Key Features

  • 1Natural refrigerant with ODP=0 and very low GWP (about 3)
  • 2Boiling point -11.7℃, mainstream domestic-fridge fluid
  • 3High efficiency and small charge, economical operation
  • 4Purity ≥99.9% with strict moisture control

Applications

  • 1Domestic refrigerators and freezers
  • 2Small commercial display cabinets
  • 3Minibars and wine coolers
  • 4Low-speed and laboratory small equipment

Quality Specifications

R600a Refrigerant Quality Specifications
AppearanceColorless, transparent, free of turbidity
Purity≥ 99.9 %
Moisture≤ 10 ppm
Acidity (as HCl)≤ 1 ppm
Evaporation Residue≤ 0.01 %
Executing StandardCompliant with national and industry standards

Packaging

3 / 6 kgDisposable steel cylinder
13.6 kgRefillable steel cylinder

※ Packaging specs and labels can be customized; bulk orders can be delivered by tank truck.

Precautions

Safety Notice

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 & TransportStore 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.

Frequently Asked Questions

What are the GWP and ODP values of R600a? Is it regulated?
R600a has a GWP of 3 and an ODP of 0 (ASHRAE safety class A3 (Flammable)). Hydrocarbons are not on China's controlled ODS list, so no ODS/HFCs filing is required.
Is R600a safe? What is its safety classification?
R600a is ASHRAE class A3 (Flammable). R600a is an A3 flammable fluid. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R600a, and which standard does it meet?
R600a is supplied at ≥ 99.9 % purity, meeting Compliant with national and industry standards. Each batch is tested by gas chromatography, and the batch report is available on request.
What packaging options are available for R600a?
Available packaging: 3 / 6 kg Disposable steel cylinder, 13.6 kg Refillable steel cylinder. Minimum order quantity and lead time — contact us for a quote.
How should R600a be stored and transported?
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. Full handling and storage requirements are in Section 7 of the safety data sheet (SDS).

Related Products

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