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- *Content
 
R125
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  | 
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