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What Is R134a Refrigerant Gas? Comprehensive Guide

R134a refrigerant gas, also known as 1,1,1,2-Tetrafluoroethane, is a hydrofluorocarbon (HFC-134a) widely used in modern refrigeration and air conditioning systems. As a non-ozone-depleting refrigerant with excellent thermal and chemical stability, R134a has become a standard replacement for older refrigerants like R-12.

This refrigerant is non-toxic, non-flammable, and non-corrosive, making it safe and reliable across various commercial, industrial, and domestic applications. R134a requires polyol ester (POE) lubricant for proper compressor operation, and its global warming potential (GWP) is approximately 1200, with an ozone depletion potential (ODP) of zero.


Why Choose R134a Refrigerant Gas?

  • High thermal stability for demanding conditions

  • Non-flammable and non-toxic at atmospheric pressure

  • Environmentally safer alternative to R-12

  • Compatible with various compressor types: rotary, scroll, screw, and reciprocating

  • Reliable performance across automotive, commercial, and household refrigeration systems

What Is R134a Refrigerant Gas? Comprehensive Guide

R134a Refrigerant Properties Overview

NoPropertiesValues
1Boiling Point-14.9°F (-26.1°C)
2Molecular Weight102.0
3Auto-Ignition Temperature1418°F (770°C)
4Critical Temperature252°F (122°C)
5Critical Pressure4060.3 kPa
6GWP (Global Warming Potential)1200
7Water Solubility0.11% by weight at 77°F (25°C)
8Ozone Depletion Potential (ODP)0
9Cylinder Color CodeLight Blue
10Flammability (18°C, 1 atm)Non-flammable


Applications of R134a Refrigerant Gas

Thanks to its efficient cooling performance and wide compatibility, R134a is extensively used in:

  • Automotive air conditioning systems

  • Commercial chillers and central air conditioning

  • Cold room storage for food and beverages

  • Refrigeration units in restaurants, supermarkets, and hotels

  • Transport refrigeration systems

  • Medium and high temperature HVAC systems


R134a Refrigerant Gas Replacements

Although R134a offers many benefits, environmental regulations are driving the transition to lower-GWP alternatives. The U.S. EPA has listed R134a as unacceptable in certain applications due to its GWP of 1430. Alternative refrigerants with better environmental profiles include:

  • HFO-1234yf

  • R450A

  • R513A

  • R515B

  • HFO-1234ze

  • Hydrocarbons such as HC-290 (propane) and HC-600a (isobutane)


Trusted R134a Refrigerant Gas Supplier 

Chengdu Taiyu Industrial Gases Co., Ltd. (TYQT), established in 2002, is a leading Chinese supplier of specialty and refrigerant gases. Starting with industrial gases such as oxygen, nitrogen, and argon, TYQT shifted its focus to specialty gases in 2007 and achieved $1.1 million in turnover by 2019.

Backed by ISO9001 and ISO14001 certifications, TYQT offers a full range of specialty gases—over 100 types across 10 categories—including:

  • Electronic gases

  • High purity and ultra-pure gases

  • Medical gases

  • Laser gases

  • Calibration and mixed gases

  • Refrigerant gases such as R134a, R22, R407c, R404a, R600a, and more

We serve clients in more than 30 countries and regions. TYQT is committed to providing environmentally responsible, cost-effective, and high-performance gas solutions for HVAC, medical, industrial, and scientific applications.


Looking for a reliable R134a supplier? Contact TYQT today to place your wholesale refrigerant gas order. We provide secure packaging, competitive prices, and fast international delivery to meet your needs.