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R22 Refrigerant Technical Data Sheet

Technical Data Sheet(TDS) Chlorodifluoromethane CHClF₂ R22, and.

Document No.:ZJ-TDS-R22-2026 Version:V1.0 Issue date2026-09-24 Next review:2027-09-24

1 Product Identification

Item Value
Product NameR22 Refrigerant
Chemical NameChlorodifluoromethane
English NameChlorodifluoromethane
Molecular FormulaCHClF₂
Molecular Weight86.47
CAS Registry Number75-45-6
EINECS No.200-871-9
UN Number1018
Transport Hazard ClassClass 2.2, non-flammable gas
ASHRAE Safety ClassificationA1(Low toxicity, non-flammable)
Reference BasisManufacturer data; the batch COA governs

Reference Basis: (Parameter GB/T 7373, Safety classification GB/T 7778, ASHRAE 34 / ISO 817)

2 Physical & Chemical Properties

R22 Typicaldata, system and,.

Item Typical Value
AppearanceColorless, transparent liquefied gas
OdorSlight ethereal odor, non-irritating
Boiling Point (101.3 kPa)-40.8 ℃
Freezing Point-160.0 ℃
Critical Temperature96.15 ℃
Critical Pressure4.99 MPa
Critical Density525 kg/m³
Vapor Pressure (25 C, absolute)1.044 MPa
Liquid Density(25 ℃)1194 kg/m³
Liquid Density(-40.8 ℃, )1410 kg/m³
Saturated Vapor Density(25 ℃)44.2 kg/m³
Latent Heat of Vaporization (at boiling point)233.7 kJ/kg
Liquid Specific Heat(25 ℃)1.24 kJ/(kg·K)
Vapor Specific Heat(25 ℃, 101.3 kPa)0.66 kJ/(kg·K)
Liquid Thermal Conductivity(25 ℃)0.086 W/(m·K)
Vapor Thermal Conductivity(25 ℃)0.0113 W/(m·K)
Liquid Viscosity(25 ℃)0.18 mPa·s
Vapor Viscosity(25 ℃)0.0128 mPa·s
Surface Tension(25 ℃)8.0 mN/m
Water Solubility(25 ℃)Slightly soluble, approx. 0.78 g/L
Auto-Ignition TemperatureNot applicable (non-flammable)
Flammability Limits in Air (vol.%)None (non-flammable)
OEL (8 h TWA)1000 ppm
Ozone Depletion Potential (ODP)0.055
GWP (100 yr, IPCC AR5)1810
Atmospheric Lifetimeapprox. 12 years

3 Quality Specifications & Test Methods

R22 Parameter, Batch COA.

Item Parameter Test Method
AppearanceColourless and clear, free of suspended matter and mechanical impuritiesVisual inspection
Purity≥ 99.90 % (High-purity grade ≥ 99.95 %)Gas chromatography GC-FID
Moisture≤ 10 ppm (High-purity grade ≤ 8 ppm)Karl Fischer coulometric method
Acidity( HCl )≤ 0.1 ppmAlkali absorption - potentiometric titration
Evaporation Residue≤ 50 ppmGravimetric method
Non-Condensable Gas(, 25 ℃)≤ 1.5 %Gas chromatography
Oxygen content in vapour phase≤ 0.05 %Gas chromatography
(Cl⁻)Negative (pass)Silver nitrate turbidimetry

4 Comparison with Common Refrigerants

Comparison Item R22(this product) R407C R410A
CompositionSingle compound CHClF₂R32/R125/R134a 23/25/52 MixtureR32/R125 50/50 Mixture
ODP0.05500
GWP(100 years, AR5)181017742088
ASHRAE Safety ClassificationA1A1A1
Relative chargeBaseline 100 %approx. R22 95 % ~ 105 %approx. R22 60 %
Relative COPBaselineLow, approx. -3 % ~ -6 %Slightly higher, approx. +3 % ~ +5 %
compressor Discharge temperatureLowMediumMedium
Operating pressureBaselineand R22approx. R22 1.6
Compatible lubricantMineral oil / alkylbenzenePOEPOE
Temperature glide0 ℃(Single compound)approx. 6 ℃ ~ 7 ℃(Zeotropic)< 0.2 ℃(Near-azeotropic)
Retrofit feasibilityOriginal fluid in existing systemsretrofit, POE andretrofit
Current selectionquotacontrol, existing installed base equipment servicingR22 Medium temperaturesystemretrofitexisting installed basesystem servicing

5 Packaging Specifications

Package Type Specification Filling Ratio Valve Connection Application
disposable cylinder13.6 kg(customizable 9.5 kg / 22.7 kg)≤ 1.03 kg/LW21.8-14(customizable CGA / DIN)air conditioning Servicing and small-batch use
steel cylinder400 kg(T )≤ 1.03 kg/LW21.8-14and Bulk project supply
cylinder pallet12 × 13.6 kgPer cylinderW21.8-14Distribution via service networks
ISO ISO tankapprox. 20 tper ISO tankISO tankconnectionand Transport

Filling Ratioper"", steel cylinderper.

6 Applications

  • air conditioning(air conditioning, air conditioning)
  • commercial refrigeration and cold storage(cold storageunit, condensingunit, )
  • industrial refrigerationsystem servicing and (chiller, process)
  • heat pump and Low temperature equipment

Equipment Compatibility & Charging Advice

  • R22 system or, No., and POE.
  • R22 per R410A or R32 system; R410A R22 system, and compressor Risk.
  • R22 HCFC controlled, Procurement and quota, recovery equipment, emissions.
  • leak detection, percharging, charging and compressor.
  • charging and ventilation, open flames and High temperatureheat source;open flamesleak detection.

7 Storage & Transport

  • Storage,, ventilation, 40 ℃, ignition source, heat source and.
  • steel cylinder, and,,, and.
  • R22 Non-flammable, Vapour, Spillagelow-lying areas, and equipmentoxygen, ventilation and oxygen.
  • and oxygen, and (,, )Flammable.
  • and, Low 0.05 MPa.
  • Transportper Danger 2.2 class, and, steel cylinder.

8 Safety & Handling

  • Asphyxiation riskR22 Vapour, Spillagelow-lying areas, and equipmentoxygen, ventilationoxygen(Low 19.5 %).
  • SpillageSpillageventilation,;;leak detection or leak detection, open flamesleak detection.
  • Thermal decomposition riskR22 open flames or High temperature(approx. 400 ℃ and above), and, and open flames,.
  • FirefightingR22 Non-flammable, steel cylinder Risk;, steel cylinder,.
  • frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
  • Inhalation andVapourasphyxiation and, fresh airoxygen;Eye contact 15.

9 Quality Assurance & Shipping Documents

  • Batch COA, Purity, 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

R22 Procurement?

quotacontrol. R22 HCFC classcontrolled, per"Montreal Protocol"quota, equipment service and servicing, equipment. peryearsquotaexisting installed basecustomersupply, recovery;equipment, retrofit( R407C, R407F or low-GWP R32, R452A).

R22 Can it be used with R407C or R410A ?

. R407C and R22 and, Zeotropic Mixture, Temperature glideapprox. 6 ℃ ~ 7 ℃, POE and charging;R410A Operating pressureapprox. R22 1.6, R22 system and compressor, charging. retrofitsystem and.

Why is R22 and R410A/R32 steel cylinder?

R22 and R410A, R32 refrigerant steel cylinderthread Specification,. chargingsteel cylinder, Specification and equipment refrigerantNo., system.

R22 Shelf life?

steel cylinder, Storage, R22 Shelf Life 24 months., steel cylinder and, Low 0.05 MPa.

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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