R1234yf

R1234yf Tetrafluoropropene Refrigerant · Technical Data Sheet (TDS)

Name: R1234yf Tetrafluoropropene Refrigerant
Brand: Kelvins
SKU: R1234yf
Availability: InStock

HFO-1234yf, 2,3,3,3-Tetrafluoropropene

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Chemical Name2,3,3,3-Tetrafluoropropene

Molecular FormulaCF₃CF=CH₂

CAS No.754-12-1

UN NumberUN 3161

Product CategoryHFO

Control ClassF-gas (low GWP)

Safety ClassA2L (Low toxicity, Mildly flammable)

Product Overview

R1234yf (2,3,3,3-tetrafluoropropene) is a next-generation low-GWP mobile A/C refrigerant with a GWP of about 4. It is the mainstream replacement for R134a in passenger cars, light trucks and construction machinery A/C systems.

Physical & Chemical Properties

R1234yf Refrigerant Physical & Chemical Properties
Chemical Name	2,3,3,3-Tetrafluoropropene
Molecular Formula	CF₃CF=CH₂
Molecular Weight	114.04
Boiling Point (101.3 kPa)	-29.0 ℃
Critical Temperature	94.7 ℃
Critical Pressure	3.38 MPa
ODP (Ozone Depletion Potential)	0
GWP (Global Warming Potential)	4
ASHRAE Safety Class	A2L (Low toxicity, Mildly flammable)
Vapor Density (air = 1)	3.937
Liquid Density (20/4℃)	1.1097
Critical Density (g/cm³)	0.4767
Acentric Factor	0.2760
Triple Point Temperature (°C)	-151.550

Quality Specification

R1234yf Refrigerant Quality Specification
Appearance	Colorless, transparent, free of turbidity
Purity	≥ 99.9 %
Moisture	≤ 10 ppm
Acidity (as HCl)	≤ 1 ppm
Evaporation Residue	≤ 0.01 %
Executing Standard	Compliant with national and industry standards

Package Specification

R1234yf Refrigerant Package Specification
5 / 10 kg	Disposable steel cylinder
100 / 340 kg	Refillable steel cylinder

Product Features

1GWP of only about 4, far below R134a, meeting global environmental regulations
2Thermodynamic performance close to R134a, mainstream drop-in for car A/C
3Mildly flammable (A2L); safe with dedicated compressors and system protection
4Purity ≥99.9% with strict moisture and acidity control

Applications

1Passenger car and SUV A/C systems
2Light truck and construction machinery A/C
3Bus and rail transit A/C (new models)
4Mobile refrigeration and heat-pump units

Safety & Precautions

Safety Notice

R1234yf is an A2L mildly flammable fluid. Service and charging must be done by trained personnel using dedicated recovery equipment, in ventilated areas away from open flame and hot surfaces.

Storage & Transportation	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 to avoid impact.

This Technical Data Sheet (TDS) is provided by Kelvins Data are based on current product standards and Wulachem’s finished-product technical references, for reference only; actual parameters are subject to the factory inspection report. For the official MSDS/SDS or batch inspection report, please contact us.