R22

Question

R22

Accepted Answer

R22

R22is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself, Vnon-toxic & inflammable with theexcellent thermo-stability and chemical stability, unable to erode metals andit is a refrigerant for low temperature to ﹣80℃below. Used in reciprocating compressor, as refrigerant in industrial,commercial and household air-condition system; Also used to produce insecticideand aerosol for spraying paint; To produce V extinguishing agent 1211; As thebasic material to produce a wide variety of fluorinated macromolecularcompounds.

Properties：

Index	Unit	R22
Chemical formula		CHClF2
Molecular weight	g/mol	86.5
Freezing point	℃	-146
Boiling point	℃	-40.8
Specific gravity (25℃ liquid)	g/m³	1.194
Vapor pressure (25℃)	MPa	1.04
Critical temperature	℃	96
Critical pressure	MPa	4.98
Critical density	g/cm³	1.221
Vapor heat at boiling point	KJ/kg	233.5
Water solubility (25℃)	W%	0.30
Specific heat (25℃ liquid )	KJ/kg.k	1.400
ODP		0.05
GWP		0.03

Specification：

Appearance	Colorless and clearness
Odor	No strange stench
Purity, % by weight % ≥	99.90
Moisture, ppm by weight% ≤	10
Acidity, ppm by weight % ≤	1
Evaporation residue, ppm by weight % ≤	100
Chlorides(Cl-) test % ≤	0.0003
No condensable gas (V/V) % ≤	1.5

Packing：13.6kg/22.7kg/950kg netweights cylinders & ISO tank .

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，无毒不燃，具有良好的热稳定性和化学稳定性，不腐蚀金属。它是一种低温制冷剂，可得到﹣80℃的制冷温度,用于往复式压缩机，作为工业、商业、家庭空调系统的制冷剂；还可用来做杀虫剂和喷漆的气雾喷射剂，也可用于生产灭火剂1211；是生产各种含氟高分子化合物的基本原料。

物理性质：

	单位	HCFC-22
分子式		CHClF₂
分子量	g/mol	86.5
熔点	℃	-146
沸点	℃	-40.8
液体密度(25℃)	克/厘米³	1.194
蒸气压 (25℃)	MPa	1.04
临界温度	℃	96
临界压力	MPa	4.98
临界密度	克/厘米³	1.221
沸点时蒸发潜热	千焦耳/千克	233.5
在水中溶解度 (25℃)	W%	0.30
比热 (液体25℃)	千焦耳/千克度	1.257
ODP		0.05
GWP		0.03

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