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R143 REFRIGERANT

R143 Trifluoroethane Refrigerant

Alias: R143a, 1,1,1-Trifluoroethane | Formula: CH₃CF₃ | CAS: 420-46-2

R143 (1,1,1-trifluoroethane, i.e. R143a) has a boiling point of -47.6℃ and a GWP of about 353. It is commonly used as a low-temperature blend component together with R134a for low-temp refrigeration.

ODP (Ozone Depletion)
0
GWP (Global Warming)
353
Boiling Point (101.3 kPa)
-47.6 ℃
Safety Class
A2 (Low toxicity, Flammable)
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Physical & Chemical Properties

R143 Refrigerant Physical & Chemical Properties
Chemical NameR143 Trifluoroethane Refrigerant
Molecular FormulaCH₃CF₃
Molecular Weight84.04
Boiling Point (101.3 kPa)-47.6 ℃
Critical Temperature72.7 ℃
Critical Pressure3.76 MPa
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)353
ASHRAE Safety ClassA2 (Low toxicity, Flammable)

Key Features

  • 1Boiling point -47.6℃, suited to low-temp refrigeration
  • 2Commonly a low-temp blend component
  • 3GWP about 353
  • 4Purity ≥99.9%

Applications

  • 1Low-temperature blend component
  • 2Low-temperature refrigeration systems
  • 3Heat-pump support
  • 4Research and experiments

Quality Specifications

R143 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
40 kgRefillable steel cylinder

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

Precautions

Safety Notice

R143 is an A2 flammable fluid. Design per 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 R143? Is it regulated?
R143 has a GWP of 353 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 R143 safe? What is its safety classification?
R143 is ASHRAE class A2 (Low toxicity, Flammable). R143 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 R143, and which standard does it meet?
R143 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 R143?
Available packaging: 5 / 10 kg Disposable steel cylinder, 40 kg Refillable steel cylinder. Minimum order quantity and lead time — contact us for a quote.
How should R143 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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