R125
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- Issue Time
- Dec 11,2015
R125
R125is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself, used as refrigerants, the vital partof mixed working substances to substitute R502&R22, and as flame-retardantsto substitute Halon-1211 & Halon-1301.
Properties:
| Index | Unit | R125 | 
| Chemical formula | 
 | CHF2CF3 | 
| Molecular weight | g/mol | 120.02 | 
| Melting point | ℃ | -102.95 | 
| Boiling point | ℃ | -48.45 | 
| Specific gravity (25℃) | g/cm3 | 1.245 | 
| Vapor pressure (25℃) | MPa | 1.371 | 
| Critical temperature | ℃ | 66.05 | 
| Critical pressure | MPa | 3.592 | 
| Critical density | g/cm3 | 0.571 | 
| Vapor heat at boiling point | KJ/kg | 165 | 
| Water solubility (25℃) | W% | 0.09 | 
| Specific heat (25℃liquid) | KJ/kg.kwh | 1.26 | 
| ODP | 
 | 0 | 
| GWP | 
 | 0.84 | 
QualitySpecification:
| Index | Excellent Grade | 
| Appearance | Colorless , not turbid | 
| Purity % ≥ | 99.8 | 
| Moisture % ≤ | 0.001 | 
| Acidity (as HCl) % ≤ | 0.00001 | 
| Evaporation residue % ≤ | 0.01 | 
| Chlorides(Cl-) test % ≤ | 0.0003 | 
| No condensable gas (V/V) % ≤ | 1.5 | 
Packing:760KG/800L,870KG/926Lsteel cylinders or ISO TANK.
PS:HS Code 29034599.00, CAS 354-33-6.
性状用途:
在常温下为无色气体,在自身压力下为无色透明液体。HFC-125可作制冷剂,是混合工质的重要组份,用于替代CFC-502和HCFC-22;作灭火剂用于替代Halon-1211和Halon-1301。
物理性质 :
| 
 | 单位 | HFC-125 | 
| 分子式 | 
 | CHF2 CF3 | 
| 分子量 | g/mol | 120.02 | 
| 熔点 | ℃ | -102.95 | 
| 沸点 | ℃ | -48.45 | 
| 液体密度(25℃) | 克/厘米3 | 1.245 | 
| 蒸气压 (25℃) | MPa | 1.371 | 
| 临界温度 | ℃ | 66.05 | 
| 临界压力 | MPa | 3.592 | 
| 临界密度 | 克/厘米3 | 0.571 | 
| 沸点时蒸发潜热 | 千焦耳/千克 | 165 | 
| 在水中溶解度 (25℃) | W% | 0.09 | 
| 比热 (液体25℃) | 千焦耳/千克度 | 1.26 | 
| ODP | 
 | 0 | 
| GWP | 
 | 0.84 | 
质量指标 :
| 指标名称 | 优等品 | 
| 纯度 ( % ≥) | 99.8 | 
| 水份( % ≤) | 0.001 | 
| 酸度 ( 以HCl计 ) ,( % ≤) | 0.00001 | 
| 蒸发残留物 ( % ≤) | 0.01 | 
| 氯化物(Cl-) ( % ≤) | 0.0003 | 
| 不凝性气体的体积分数 ( % ≤) | 1.5 |