R512A Refrigerant Specification
Technical Data Sheet(TDS) R-512A(HFC/HFO blend) CH₂FCF₃ / CF₃CF=CH₂( 5/95) R512A, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R512A Refrigerant |
| Chemical Name | R-512A（HFC/HFO blend） |
| English Name | R-512A（HFC/HFO blend） |
| Molecular Formula | CH₂FCF₃ / CF₃CF=CH₂( 5/95) |
| Molecular Weight | approx. 113.4 |
| CAS Registry Number | 811-97-2 / 754-12-1 |
| EINECS No. | 212-377-0 / 468-710-7 |
| UN Number | 3163 |
| Transport Hazard Class | Class 2.2, non-flammable gas |
| ASHRAE Safety Classification | A1(Low toxicity, non-flammable) |
| Reference Basis | Manufacturer 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
R512A Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Faint, non-irritating |
| Bubble point(101.3 kPa) | approx. -29.2 ℃ |
| Temperature glide | < 1 ℃(Near-azeotropic) |
| Critical Temperature | approx. 95 ℃ |
| Critical Pressure | approx. 3.36 MPa |
| Vapor Pressure (25 C, absolute) | approx. 0.68 MPa |
| Liquid Density(25 ℃) | approx. 1095 kg/m³ |
| Saturated Vapor Density(25 ℃) | approx. 33 kg/m³ |
| Latent heat of vaporisation (at bubble point) | approx. 182 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.39 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.88 kJ/(kg K) |
| Liquid Thermal Conductivity(25 ℃) | approx. 0.076 W/(m K) |
| Vapor Thermal Conductivity(25 ℃) | approx. 0.0136 W/(m K) |
| Liquid Viscosity(25 ℃) | approx. 0.16 mPa s |
| Vapor Viscosity(25 ℃) | approx. 0.0118 mPa s |
| Surface Tension(25 ℃) | approx. 8.2 mN/m |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | Not applicable (non-flammable) |
| Flammability Limits in Air (vol.%) | None (non-flammable) |
| OEL (8 h TWA) | approx. 510 ppm(per) |
| Ozone Depletion Potential (ODP) | 0 |
| GWP (100 yr, IPCC AR5) | 188 |
| Atmospheric Lifetime | approx. 1 years( R134a ) |
3 Quality Specifications & Test Methods
R512A Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.90 % | Gas chromatography GC-FID |
| Composition tolerance | R134a ±0.5 %, R1234yf ±1.0 % | Gas chromatography GC-FID |
| Moisture | ≤ 10 ppm | Karl Fischer coulometric method |
| Acidity( HF ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas(, 25 ℃) | ≤ 1.5 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R512A(this product) | R134a | R513A |
|---|---|---|---|
| Composition | R134a/R152a 5/95 | Single compound CH₂FCF₃ | R1234yf/R134a 56/44 |
| ODP | 0 | 0 | 0 |
| GWP(100 years, AR5) | 188 | 1430 | 573 |
| ASHRAE Safety Classification | A1(Non-flammable) | A1 | A1 |
| Boiling point | approx. -29.2 ℃ | -26.3 ℃ | -29.0 ℃ |
| Temperature glide | < 1 ℃ | 0 ℃ | < 0.1 ℃ |
| Relative cooling capacity | Low R134a | Baseline 100 % | approx. 96 % ~ 100 % |
| Compatible lubricant | POE | POE | POE |
| Retrofit feasibility | R134a | Original fluid in existing systems | R134a |
| Current selection | ultra-low-GWP Medium temperature Alternatives | existing installed base, phase-down | low-GWP retrofit |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 10 kg(customizable 5 kg / 20 kg) | ≤ 0.95 kg/L | W21.8-14(customizable CGA / DIN) | Servicing and small-batch use |
| steel cylinder | 400 kg(T ) | ≤ 0.95 kg/L | W21.8-14 | bulk supply |
| cylinder pallet | 12 × 10 kg | Per cylinder | W21.8-14 | serviceservice networkdistribution |
| ISO ISO tank | approx. 18 t | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- Medium temperature commercial refrigeration and
- chiller and heat pumpsystem
- R134a system ultra-low-GWP retrofit
- GWP equipment
Equipment Compatibility & Charging Advice
- R512A and R134a A1, R134a equipment, percharging.
- POE, retrofit.
- Near-azeotropic Mixture( < 1 ℃), Spillage,.
- Low R134a, system.
- retrofitrecovery refrigerant, and R134a or Other refrigerantcharging.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- R512A A1 Non-flammable refrigerant, Vapour, Spillagelow-lying areasoxygen, ventilation.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.2 class, and, steel cylinder.
8 Safety & Handling
- Asphyxiation riskVapour, Spillagelow-lying areas, and equipmentoxygen, ventilationoxygen(Low 19.5 %).
- SpillageSpillageventilation,;;leak detection or leak detection, open flamesleak detection.
- Thermal decomposition riskopen flames or High temperature(approx. 400 ℃ and above),, recoveryventilation.
- FirefightingR512A ASHRAE 34 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( 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
R512A and R513A How to choose?
R134a and R1234yf Mixture A1,: R512A 5/95, GWP 188, ParameterLow;R513A 44/56, GWP 573, and R134a. Item GWP (EU 150 and below), R512A;, R513A.
R512A Can it directly replace R134a ？
. R512A and R134a, A1 Non-flammable, POE, Mainrecovery refrigerant, percharging. Low R134a,.
R512A GWP 188 EURegulations？
EU F-Gas Regulationsair conditioning GWP 150, R512A 188 Slightly higher than, commercial refrigeration equipment. Regulations.
R512A Shelf life?
steel cylinder, Storage, R512A Shelf Life 24 months., steel cylinder and.
Disclaimer
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.
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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