R152a Refrigerant Specification
Technical Data Sheet(TDS) 1,1-Difluoroethane(Refrigerant R 152a) CH₃CHF₂ R152a, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R152a Refrigerant |
| Chemical Name | 1,1-Difluoroethane（Refrigerant R 152a） |
| English Name | 1,1-Difluoroethane（Refrigerant R 152a） |
| Molecular Formula | CH₃CHF₂ |
| Molecular Weight | 66.04 |
| CAS Registry Number | 75-37-6 |
| UN Number | 1030 |
| Transport Hazard Class | Class 2.1, flammable gas |
| ASHRAE Safety Classification | A2(Low toxicity, 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
R152a Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Slight ethereal odour |
| Boiling Point (101.3 kPa) | -25.0 ℃ |
| Freezing Point | -138.8 ℃ |
| Critical Temperature | approx. 113.3 ℃ |
| Critical Pressure | approx. 4.56 MPa |
| Vapor Pressure (25 C, absolute) | approx. 1.08 MPa |
| Liquid Density(25 ℃) | approx. 948 kg/m³ |
| Saturated Vapor Density(25 ℃) | approx. 25.8 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | approx. 246 kJ/kg |
| Liquid Specific Heat(25 ℃) | approx. 1.42 kJ/(kg K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | approx. 0.85 kJ/(kg K) |
| Water Solubility(25 ℃) | Slightly soluble |
| Auto-Ignition Temperature | approx. 470 ℃ |
| Flammability Limits in Air (vol.%) | 1.5 % ~ 9.5 % |
| Minimum ignition energy | approx. 0.25 mJ |
| OEL (8 h TWA) | 1000 ppm(per R152a data) |
| Ozone Depletion Potential (ODP) | 0 |
| Global warming potential (GWP) GWP(100 years) | approx. 148 |
| Atmospheric Lifetime | approx. 12 |
3 Quality Specifications & Test Methods
R152a Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.80 % | Gas chromatography GC-FID |
| Moisture | ≤ 20 ppm | Karl Fischer coulometric method |
| Acidity( HCl ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas | ≤ 1.5 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R152a(this product) | R32 | R134a |
|---|---|---|---|
| Composition | Single compound CH₃CHF₂ | Single compound CH₂F₂ | Single compound CH₂FCF₃ |
| Boiling point | -25.0 ℃ | -51.7 ℃ | -26.3 ℃ |
| Critical Temperature | approx. 113.3 ℃ | 78.1 ℃ | 101.1 ℃ |
| ODP | 0 | 0 | 0 |
| GWP(100 years) | approx. 148 | 675 | approx. 1,430 |
| ASHRAE Safety Classification | A2(Flammable) | A2L(Mildly flammable) | A1 (non-flammable) |
| Flammability limits in air | 1.5 % ~ 9.5 % | 13.5 % ~ 27.5 % | Non-flammable |
| Relative charge | approx. R134a 60 % | approx. R134a 70 % | Baseline 100 % |
| Main | low-GWP | Single compound and | refrigerant |
| Current selection | — | residential air conditioning refrigerant | Subject to quota phase-down |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 50 kg(customizable 30 kg) | ≤ 0.90 kg/L | W21.8-14 / CGA(perorder) | and testingquantity |
| steel cylinder | 400 kg | ≤ 0.90 kg/L | W21.8-14 | Item and supply |
| cylinder pallet | Made to order | Per cylinder | W21.8-14 | Itemdistribution |
| ISO ISO tank | Made to order | per ISO tank | ISO tankconnection | Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- low-GWP Refrigerant
- air conditioninglow-GWP Alternatives
- commercial refrigeration and heat pump
- R449A / R454B / R516A supply
Equipment Compatibility & Charging Advice
- R152a A2 Flammable refrigerant, systemperexplosion-proof: explosion-proof,, ventilation and Flammable.
- R152a Main,;refrigerantcompressor.
- per, and.
- and, POE;system, and and refrigerant.
- and serviceexplosion-proofcharging, recovery and leak detection equipment, recoverynitrogen,.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- 2.1 class Flammable, perexplosion-proof equipment, Flammable and explosion-proofventilation.
- and oxygen,, Flammable, explosion-proof and.
- and, Low 0.05 MPa.
- Transportper Danger 2.1 class, Firefighting and, and.
8 Safety & Handling
- Flammability and explosion riskR152a A2 Flammable refrigerant, Explosive limits 1.5 % ~ 9.5 %, Low, explosion-proof, ventilation.
- Spillageignition sourceventilation,;explosion-proof and;explosion-proofleak detection.
- Firefightingor carbon dioxide Firefighting, steel cylinder. Spillage Flame,.
- frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
- Inhalation andVapourasphyxiation, and, fresh airoxygen;Eye contact 15.
- Stable under recommended storage and handling conditions.High temperature and, and.
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
R152a What is it, and why？
R152a(1,1-Difluoroethane(Refrigerant R 152a), CH₃CHF₂) HFC class refrigerant, ODP, GWP approx. 148. Boiling point -25 ℃, A2 Flammable, 1.5 %, Main--R449A, R454B, R516A low-GWP refrigerantLowFlammable and.
R152a GWP approx. 148 What does it imply?
low-GWP refrigerant. R449A, R454B, R516A class Refrigerant, R152a Temperature glide and LowRisk, low-GWP and A1/A2L Safety class.
R152a ？
R152a "Kigali Amendment"control HFC,, and quota, Procurement Supplier quota and use. Refrigerant and, Procurement.
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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