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R141b REFRIGERANT

R141b Dichlorofluoroethane Refrigerant

Alias: HCFC-141b, 1,1-Dichloro-1-fluoroethane | Formula: CH₃CCl₂F | CAS: 1717-00-6

R141b (1,1-dichloro-1-fluoroethane) was widely used in foam blowing and low-pressure centrifugal refrigeration. As an HCFC controlled substance it is being phased out and now mainly serves existing-equipment service and specific industrial scenarios.

ODP (Ozone Depletion)
0.11
GWP (Global Warming)
725
Boiling Point (101.3 kPa)
32.1 ℃
Safety Class
A3 (Flammable)
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Physical & Chemical Properties

R141b Refrigerant Physical & Chemical Properties
Chemical NameR141b Dichlorofluoroethane Refrigerant
Molecular FormulaCH₃CCl₂F
Molecular Weight116.95
Boiling Point (101.3 kPa)32.1 ℃
Critical Temperature204.5 ℃
Critical Pressure4.25 MPa
ODP (Ozone Depletion Potential)0.11
GWP (Global Warming Potential)725
ASHRAE Safety ClassA3 (Flammable)

Key Features

  • 1Relatively high boiling point (32.1℃) for low-pressure/medium-temp duty
  • 2Once widely used in foam blowing and centrifugal refrigeration
  • 3HCFC controlled substance with production being phased down
  • 4Purity ≥99.9%, serves the service/retrofit market

Applications

  • 1Service of existing low-pressure centrifugal chillers
  • 2Polyurethane foam blowing (specific industrial use)
  • 3Solvent and cleaning uses
  • 4Special process cooling

Quality Specifications

R141b 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

13.6 / 22.7 kgDisposable steel cylinder
200 kgRefillable steel cylinder

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

Precautions

Safety Notice

R141b is an HCFC controlled substance under the Montreal Protocol with production quotas and is being phased out. Use must comply with regulations; new systems should choose HFO or other eco-friendly alternatives.

Storage & TransportStore in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. Inspect cylinders periodically and handle gently.

Frequently Asked Questions

What are the GWP and ODP values of R141b? Is it regulated?
R141b has a GWP of 725 and an ODP of 0.11 (ASHRAE safety class A3 (Flammable)). HCFC refrigerants are in the phase-out stage, with production and use under quota licensing.
Is R141b safe? What is its safety classification?
R141b is ASHRAE class A3 (Flammable). R141b is an HCFC controlled substance under the Montreal Protocol with production quotas and is being phased out. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R141b, and which standard does it meet?
R141b 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 R141b?
Available packaging: 13.6 / 22.7 kg Disposable steel cylinder, 200 kg Refillable steel cylinder. Minimum order quantity and lead time — contact us for a quote.
How should R141b be stored and transported?
Store in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. 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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