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R1234ze REFRIGERANT

R1234ze Tetrafluoropropene Refrigerant

Alias: HFO-1234ze, trans-1,3,3,3-Tetrafluoropropene | Formula: CF₃CH=CHF(trans) | CAS: 29118-24-9

R1234ze (trans-1,3,3,3-tetrafluoropropene) is a very low-GWP fluid (GWP < 1) with thermodynamic performance close to R134a. It is widely used in centrifugal chillers, medium-temperature refrigeration, heat pumps, foam blowing and aerosol propulsion.

ODP (Ozone Depletion)
0
GWP (Global Warming)
< 1
Boiling Point (101.3 kPa)
-19.0 ℃
Safety Class
A2L (Low toxicity, Mildly flammable)
Reference Price Contact for quote
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Physical & Chemical Properties

R1234ze Refrigerant Physical & Chemical Properties
Chemical NameR1234ze Tetrafluoropropene Refrigerant
Molecular FormulaCF₃CH=CHF(trans)
Molecular Weight114.04
Boiling Point (101.3 kPa)-19.0 ℃
Critical Temperature109.4 ℃
Critical Pressure3.63 MPa
ODP (Ozone Depletion Potential)0
GWP (Global Warming Potential)< 1
ASHRAE Safety ClassA2L (Low toxicity, Mildly flammable)

Key Features

  • 1GWP less than 1, extremely low global warming potential
  • 2Performance close to R134a for medium-temp and centrifugal systems
  • 3Mildly flammable (A2L) with good system adaptability
  • 4Purity ≥99.9% with stable composition

Applications

  • 1Centrifugal and screw chillers
  • 2Medium-temperature refrigeration and commercial A/C
  • 3Heat pumps and water heaters
  • 4Foam blowing, aerosol propulsion and heat-transfer fluid

Quality Specifications

R1234ze 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

R1234ze is an A2L mildly flammable fluid. Handle by professionals with dedicated equipment, keep ventilated and away from ignition sources.

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

Frequently Asked Questions

What are the GWP and ODP values of R1234ze? Is it regulated?
R1234ze has a GWP of < 1 and an ODP of 0 (ASHRAE safety class A2L (Low toxicity, Mildly flammable)). Filing and selection requirements follow the latest MEE rules — see our ODS/HFCs filing guide.
Is R1234ze safe? What is its safety classification?
R1234ze is ASHRAE class A2L (Low toxicity, Mildly flammable). R1234ze is an A2L mildly flammable fluid. Full GHS classification, first-aid and firefighting measures are in the safety data sheet (SDS).
What is the purity of R1234ze, and which standard does it meet?
R1234ze 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 R1234ze?
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 R1234ze 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. 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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