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R449A Refrigerant Specification

Technical Data Sheet(TDS) R32/R125/R134a/R1234yf blend(Refrigerant R 449A) CH₂F₂ / CHF₂CF₃ / CH₂FCF₃ / CF₃CF=CH₂ R449A, and.

Document No.:ZJ-TDS-R449A-2026 Version:V1.0 Issue date2026-10-20 Next review:2027-10-20

1 Product Identification

Item Value
Product NameR449A Refrigerant
Chemical NameR32/R125/R134a/R1234yf blend(Refrigerant R 449A)
English NameR32/R125/R134a/R1234yf blend(Refrigerant R 449A)
Molecular FormulaCH₂F₂ / CHF₂CF₃ / CH₂FCF₃ / CF₃CF=CH₂
Molecular Weightapprox. 93.02(Mixture)
CAS Registry NumberMixture(75-10-5 / 354-33-6 / 811-97-2 / 754-12-1)
UN Number3163
Transport Hazard ClassClass 2.2, non-flammable gas
ASHRAE Safety ClassificationA1(Low toxicity, non-flammable)
Reference BasisManufacturer data; the batch COA governs

Reference Basis: Compiled from manufacturer data (safety classification per GB/T 7778, ASHRAE 34 / ISO 817)

2 Physical & Chemical Properties

R449A Typicaldata, system and,.

Item Typical Value
AppearanceColorless, transparent liquefied gas
OdorSlight ethereal odour
Bubble point(101.3 kPa)approx. -36.4 ℃
(101.3 kPa)approx. -36.3 ℃
Temperature glide< 0.1 ℃(Near-azeotropic)
Critical Temperatureapprox. 81.5 ℃
Critical Pressureapprox. 4.60 MPa
Vapor Pressure (25 C, absolute)approx. 1.08 MPa
Liquid Density(25 ℃)approx. 1,058 kg/m³
Saturated Vapor Density(25 ℃)approx. 31.0 kg/m³
Latent heat of vaporisation (at bubble point)approx. 208 kJ/kg
Liquid Specific Heat(25 ℃)approx. 1.42 kJ/(kg K)
Vapor Specific Heat(25 ℃, 101.3 kPa)approx. 0.87 kJ/(kg K)
Water Solubility(25 ℃)Slightly soluble
Auto-Ignition TemperatureNone (non-flammable)
Flammability Limits in Air (vol.%)Non-flammable
OEL (8 h TWA)1000 ppm( R134a component basis)
Ozone Depletion Potential (ODP)0
Global warming potential (GWP) GWP(100 years)approx. 1,397
Atmospheric Lifetimeapprox. 12.9 years( R134a component basis)

3 Quality Specifications & Test Methods

R449A Parameter, Batch COA.

Item Parameter Test Method
AppearanceColourless and clear, free of suspended matter and mechanical impuritiesVisual inspection
Purity≥ 99.90 %Gas chromatography GC-FID
Composition tolerance± 0.5 %—
Moisture≤ 10 ppmKarl Fischer coulometric method
Acidity( HCl )≤ 0.1 ppmAlkali absorption - potentiometric titration
Evaporation Residue≤ 0.01 %Gravimetric method
Non-Condensable Gas≤ 1.5 %Gas chromatography

4 Comparison with Common Refrigerants

Comparison Item R449A(this product) R404A R507
CompositionR32/R125/R134a/R1234yf 24.3/24.7/25.7/25.3R125/R143a/R134a 44/52/4R125/R143a 50/50
Bubble pointapprox. -36.4 ℃approx. -46.5 ℃approx. -36.8 ℃
Temperature glide< 0.1 ℃(Near-azeotropic)< 0.5 ℃≈ 0 ℃(Azeotropic)
ODP000
GWP(100 years)approx. 1,397approx. 3,922approx. 3,985
ASHRAE Safety ClassificationA1 (non-flammable)A1 (non-flammable)A1 (non-flammable)
Discharge temperature( R404A)10 ~ 30 KBaselineand R404A
Current selectionR404A / R507Subject to quota phase-downSubject to quota phase-down

5 Packaging Specifications

Package Type Specification Filling Ratio Valve Connection Application
disposable cylinder11.3 kg≤ 1.00 kg/LW21.8-14 / CGA(perorder)Servicing and trial quantities
steel cylinder400 kg≤ 1.00 kg/LW21.8-14equipment and Itemsupply
cylinder palletMade to orderPer cylinderW21.8-14Itemdistribution
ISO ISO tankMade to orderper ISO tankISO tankconnectionTransport

Filling Ratioper"", steel cylinderper.

6 Applications

  • cold storage and
  • condensingunit and system
  • Low temperature
  • R404A / R507 system

Equipment Compatibility & Charging Advice

  • R449A Near-azeotropic Mixture, Temperature glide 0.1 ℃, Spillage,.
  • Low temperature Discharge temperature R404A approx. 10~30 K, compressor.
  • A1 Non-flammable, R32 and R1234yf, leak detection and open flames.
  • POE, R404A system and.
  • R404A / R507 Refrigerant, system.

7 Storage & Transport

  • Storage,, ventilation, 40 ℃, ignition source, heat source and.
  • steel cylinder, and,,, and.
  • 2.2 classNon-flammable, Accidental release measures equipment and ventilation.
  • and oxygen, (,, ).
  • and, Low 0.05 MPa.
  • Transportper Danger 2.2 class, Firefighting, and.

8 Safety & Handling

  • Flammability and explosion riskR449A A1 Non-flammable refrigerant, R32 and R1234yf, Spillage confined space and, open flames and sparks, leak detectionleak detection.
  • SpillageSpillageventilation,;Vapourheavier than air, low-lying areas and oxygen deficiency Risk.
  • FirefightingNon-flammable, percarbon dioxide,, Firefighting;steel cylinder.
  • compressor RiskLow temperature Discharge temperature, compressor, per Discharge temperature.
  • frostbite Protectionor frostbite, and;frostbite 40 ℃.
  • Inhalation andVapourasphyxiation, and, fresh airoxygen;Eye contact 15.

9 Quality Assurance & Shipping Documents

  • Batch COA, Purity( or ), Moisture, Acidity and Evaporation Residue.
  • Moisture, and Low temperature.
  • 12 months, Batch, No. and.
  • perthird-party test report(SGS / ), SDS Description REACH, RoHS.

10 Frequently Asked Questions

R449A Can it replace R404A ?

. R449A R404A low-GWP, GWP approx. 3,922 approx. 1,397, A1 Non-flammable, POE.: Low temperature Discharge temperature R404A 10~30 K, compressor; "", Refrigerant.

R449A ?

R32 24.3%, R125 24.7%, R134a 25.7%, R1234yf 25.3%. low-GWP, Near-azeotropic( < 0.1 ℃) and A1 Non-flammable, or formulation.

Why isFlammable R449A A1?

A1 Mixture,. R32 and R1234yf Flammable, R125 and R134a, Mixture ASHRAE 34 testing Flame. leak detection and open flames.

Disclaimer
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.

| Reviewed by: | Approved by: | Hubei Zhongjin Fluorine Chemical Co., Ltd.

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