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R152a Difluoroethane Refrigerant

Alias: HFC-152a, 1,1-Difluoroethane | Formula: CH₃CHF₂ | CAS: 75-37-6

R152a (1,1-difluoroethane) has a boiling point of -25.0℃ and a GWP of only about 148. It is often blended with R32 and others into low-GWP mixtures for residential A/C, automotive A/C and heat pumps.

ODP (Ozone Depletion)
0
GWP (Global Warming)
148
Boiling Point (101.3 kPa)
-25.0 ℃
Safety Class
A2 (Low toxicity, Flammable)
Reference Price Contact for quote

Physical & Chemical Properties

R152a Refrigerant Physical & Chemical Properties
Chemical NameR152a Difluoroethane Refrigerant
Molecular FormulaCH₃CHF₂
Molecular Weight66.05
Boiling Point (101.3 kPa)-25.0 ℃
Critical Temperature113.3 ℃
Critical Pressure4.52 MPa
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)148
ASHRAE Safety ClassA2 (Low toxicity, Flammable)

Key Features

  • 1GWP of only about 148, environmentally friendly
  • 2Boiling point -25.0℃, suited to A/C and heat pumps
  • 3Often blended with R32 etc. into low-GWP mixtures
  • 4Purity ≥99.9%

Applications

  • 1Residential and automotive A/C (blends)
  • 2Air-source heat pumps
  • 3Foam blowing and aerosol propulsion
  • 4Medium-low temperature refrigeration

Quality Specifications

R152a 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

5 / 10 kgDisposable steel cylinder
100 / 340 kgRefillable steel cylinder

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

Precautions

Safety Notice

R152a is an A2 flammable fluid. Blending and application must follow flammable-refrigerant codes with explosion protection and ventilation, operated by professionals.

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 R152a? Is it regulated?
R152a has a GWP of 148 and an ODP of 0 (ASHRAE safety class A2 (Low toxicity, Flammable)). HFCs have been under quota management since 2024 and are on the controlled list.
Is R152a safe? What is its safety classification?
R152a is ASHRAE class A2 (Low toxicity, Flammable). R152a is an A2 flammable fluid. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R152a, and which standard does it meet?
R152a 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 R152a?
Available packaging: 5 / 10 kg Disposable steel cylinder, 100 / 340 kg Refillable steel cylinder. Minimum order quantity and lead time — contact us for a quote.
How should R152a 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).

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