R507
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- Issue Time
- Dec 11,2015
R507
R507is a colorless gas under ordinary temperature, and a colorless &transparent liquid under the pressure of itself, mixed by R143 and R125. It is the substitute for R502,mainly used in the low temperature refrigerating systems.
Properties：
| Unit | R507 |
Chemical formula |
| R-143/R-125 |
Molecular weight | g/mol | 98.86 |
Melting point | ℃ | -46.7 |
Critical temperature | ℃ | 70.9 |
Critical pressure | MPa | 3.79 |
Saturated liquid density (30℃) | g/cm3 | 1.06 |
Critical density | g/cm3 | 0.5 |
ODP |
| 0 |
GWP |
| 0.96 |
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：11.3kg/30p steel cylinders or ISO TANK.
Itmust be kept in cool, dry and well-ventilated places, away from sunshine andrainfall.
性状用途：
R507混合制冷剂是由R143和R125混合而成，在常温下为无色气体，在自身压力下为无色透明液体，是R502的替代品，主要用于低温制冷系统。
物理性质 ：
| 单位 | R507 |
分子式 |
| R-143/R-125 |
分子量 | g/mol | 98.86 |
沸点 | ℃ | -46.7 |
临界温度 | ℃ | 70.9 |
临界压力 | MPa | 3.79 |
饱和液体密度 (30℃) | g/cm3 | 1.06 |
临界密度 | g/cm3 | 0.5 |
ODP |
| 0 |
GWP |
| 0.96 |
质量指标 ：
指标名称 | 优等品 |
外观 | 无色、澄清 |
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 |