R32
R32is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself. It is mainly used as refrigerant which isthe vital part to substitute R22. R32 is also an important component ofblend refrigerant R407C and R410a. .
Properties:
Index | Unit | R32 |
Chemical formula |
| CH2F2 |
Molecular weight | g/mol | 52.02 |
Freezing point | ℃ | -136 |
Boiling point | ℃ | -51.7 |
Specific gravity (25℃ liquid) | g/cm3 | 0.958 |
Vapor pressure (25℃) | MPa | 1.689 |
Critical temperature | ℃ | 78.10 |
Critical pressure | MPa | 5.808 |
Critical density | g/cm3 | 0.424 |
Water solubility (25℃) | W% | 0.44 |
ODP |
| 0 |
GWP |
| 0.11 |
QualitySpecification:
Index | Excellent Grade |
Appearance | Colorless , not turbid |
Odor | No strange stench |
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: 670KG/800L,780KG/926Lsteel cylinders, orISO TANK.
PS:HS Code 29034200.00
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,用作制冷剂,是替代R22的重要组分,是混合制冷剂R407C、R410a的主要组成部分之一。
物理性质 :
| 单位 | HFC-32 |
分子式 |
| CH2F2 |
分子量 | g/mol | 52.02 |
冰点 | ℃ | -136 |
沸点 | ℃ | -51.7 |
液体密度(25℃) | 克/厘米3 | 0.958 |
蒸气压 (25℃) | MPa | 1.689 |
临界温度 | ℃ | 78.10 |
临界压力 | MPa | 5.808 |
临界密度 | 克/厘米3 | 0.424 |
在水中溶解度 (25℃) | W% | 0.44 |
ODP |
| 0 |
GWP |
| 0.11 |
质量指标 :
指标名称 | 优等品 |
外观 | 无色、不浑浊 |
气味 | 无异臭 |
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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