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R454B REFRIGERANT

R454B HFC/HFO Blend Refrigerant (R410A replacement)

Alias: Opteon XL41, Puron Advance, Solstice 454B | Formula: | CAS: Blend (see SDS Section 3 for component CAS)

R454B low-GWP A2L mildly flammable blend designed to replace R410A in air conditioning and heat pumps.

ODP (Ozone Depletion)
0
GWP (Global Warming)
466 (AR4)
Boiling Point (101.3 kPa)
bubble point -50.9 ℃ (temperature glide about 1.5 ℃)
Safety Class
A2L (Low toxicity, Mildly flammable)
Reference Price Contact for quote
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Physical & Chemical Properties

R454B Refrigerant Physical & Chemical Properties
Chemical NameR454B HFC/HFO Blend Refrigerant (R410A replacement)
Molecular Weight62.6
Boiling Point (101.3 kPa)bubble point -50.9 ℃ (temperature glide about 1.5 ℃)
Critical Temperature77.0 ℃
Critical Pressure5.27 MPa
Vapor Density (air = 1)2.16
Composition (mass ratio)R-32 / R-1234yf (68.9 / 31.1)
UN Number3161
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)466 (AR4)
ASHRAE Safety ClassA2L (Low toxicity, Mildly flammable)

Key Features

  • 1Low GWP (466), about 78% lower emissions vs R410A
  • 2ASHRAE safety group A2L: mildly flammable, low toxicity
  • 3Cooling capacity close to R410A, mainstream R410A replacement
  • 4Suited to new and replacement AC/heat-pump systems

Applications

  • 1Residential and light-commercial air conditioning and heat pumps
  • 2New and replacement systems for R410A (per OEM approval)
  • 3Industrial and commercial HVAC&R
  • 4Buildings with strict efficiency and compliance requirements

Quality Specifications

R454B 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

R454B is an A2L mildly flammable refrigerant. Follow ASHRAE 15 / national standards for ventilation, charge limits and fire prevention. No open flames; ensure good ventilation.

Storage & TransportStore in a cool, well-ventilated warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. Cylinders must be periodically inspected.

Frequently Asked Questions

What are the GWP and ODP values of R454B? Is it regulated?
R454B has a GWP of 466 (AR4) and an ODP of 0 (ASHRAE safety class A2L (Low toxicity, Mildly flammable)). Blends containing controlled substances are also within the scope of control.
Is R454B safe? What is its safety classification?
R454B is ASHRAE class A2L (Low toxicity, Mildly flammable). R454B is an A2L mildly flammable refrigerant. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R454B, and which standard does it meet?
R454B 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 R454B?
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 R454B be stored and transported?
Store in a cool, well-ventilated warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. Cylinders must be periodically inspected. Full handling and storage requirements are in Section 7 of the safety data sheet (SDS).

Related Products

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