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R365mfc REFRIGERANT

R365mfc 1,1,1,3,3-Pentafluorobutane Refrigerant

Alias: HFC-365mfc, Pentafluorobutane, Genetron 365mfc | Formula: CF₃CH₂CF₂CH₃ | CAS: 406-58-6

HFC-365mfc zero-ODP working fluid for blowing agents, high-temperature heat pumps and propellant substitution; A2 flammable.

ODP (Ozone Depletion)
0
GWP (Global Warming)
794 (AR4)
Boiling Point (101.3 kPa)
40.2 ℃ (liquid at room temperature)
Safety Class
A2 (Low toxicity, Flammable)
Reference Price Contact for quote
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Physical & Chemical Properties

R365mfc Refrigerant Physical & Chemical Properties
Chemical NameR365mfc 1,1,1,3,3-Pentafluorobutane Refrigerant
Molecular FormulaCF₃CH₂CF₂CH₃
Molecular Weight166.07
Boiling Point (101.3 kPa)40.2 ℃ (liquid at room temperature)
Critical Temperature186.9 ℃
Critical Pressure2.73 MPa
Vapor Density (air = 1)5.73
UN Number3163
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)794 (AR4)
ASHRAE Safety ClassA2 (Low toxicity, Flammable)

Key Features

  • 1Zero ozone depletion potential (ODP), environmentally friendly
  • 2Relatively high boiling point (40.2℃) for high-temperature heat pumps
  • 3ASHRAE safety group A2: flammable, fire prevention required
  • 4Common substitute for HCFC-141b blowing agents

Applications

  • 1Environmentally preferable blowing agent (replacing HCFC-141b)
  • 2High-temperature heat pump and process heating medium
  • 3Aerosol propellant and solvent substitute
  • 4Special systems insensitive to temperature glide

Quality Specifications

R365mfc Refrigerant Quality Specifications
AppearanceColorless, transparent, free of turbidity
OdorOdorless
Purity≥ 99.9 %
Moisture≤ 10 ppm
Acidity (as HCl)≤ 1 ppm
Evaporation Residue≤ 0.01 %

Packaging

10/13.6 kgDisposable steel cylinder
400/800/926 kgRefillable steel cylinder
24 tISO Tank

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

Precautions

Safety Notice

R365mfc is an A2 flammable refrigerant and highly flammable. No open flames or sparks in the handling area; ensure good ventilation. Cut power and increase ventilation on leakage.

Storage & TransportStore in a cool, well-ventilated flammable-liquid warehouse away from fire, heat and oxidizers. Cylinders must be periodically inspected.

Frequently Asked Questions

What are the GWP and ODP values of R365mfc? Is it regulated?
R365mfc has a GWP of 794 (AR4) 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 R365mfc safe? What is its safety classification?
R365mfc is ASHRAE class A2 (Low toxicity, Flammable). R365mfc is an A2 flammable refrigerant and highly flammable. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R365mfc, and which standard does it meet?
R365mfc is supplied at ≥ 99.9 % purity. Each batch is tested by gas chromatography, and the batch report is available on request.
What packaging options are available for R365mfc?
Available packaging: 10/13.6 kg Disposable steel cylinder, 400/800/926 kg Refillable steel cylinder, 24 t ISO Tank. Minimum order quantity and lead time — contact us for a quote.
How should R365mfc be stored and transported?
Store in a cool, well-ventilated flammable-liquid warehouse away from fire, heat and oxidizers. Cylinders must be periodically inspected. Full handling and storage requirements are in Section 7 of the safety data sheet (SDS).

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