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Evaluation of the possibilities of substituting potent greenhouse gases (HFCs, PFCs and SF6) Appendix A:
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Substances |
R-number |
Chemical formula |
ODP value |
GWP value (100 years) |
Halon-1301 |
R-13B1 |
CBrF3 |
10 |
5,600 |
CFC-11 |
R-11 |
CFCl3 |
1.0 |
4,000 |
CFC-12 |
R-12 |
CF2Cl2 |
1.0 |
8,500 |
CFC-115 |
R-115 |
CClF2CF3 |
0.6 |
9,300 |
HCFC-22 |
R-22 |
CHF2Cl |
0.055 |
1,700 |
HCFC-124 |
R-124 |
CF3CHClF |
0.03 |
480 |
HCFC-142b |
R-142b |
C2H3F2Cl |
0.065 |
2,000 |
HFC-23 |
R-23 |
CHF3 |
0 |
11,700 |
HFC-32 |
R-32 |
CH2F2 |
0 |
650 |
HFC-125 |
R-125 |
C2HF5 |
0 |
2,800 |
HFC-134a |
R-134a |
CH2FCF3 |
0 |
1,300 |
HFC-143a |
R-143a |
CF3CH3 |
0 |
3,800 |
HFC-152a |
R-152a |
C2H4F2 |
0 |
140 |
HFC-227ea |
R-227ea |
C3HF7 |
0 |
2,900 |
PFC-14 |
R-14 |
CF4 |
0 |
6,500 |
PFC-116 |
R-116 |
C2F6 |
0 |
9,200 |
PFC-218 |
R-218 |
C3F8 |
0 |
7,000 |
Isobutane |
R-600a |
CH(CH3)3 |
0 |
3 |
Propane |
R-290 |
C3H8 |
0 |
3 |
Ethane |
R-170 |
C2H6 |
0 |
3 |
Ethene |
R-1150 |
CH2CH2 |
0 |
3 |
Propylene |
R-1270 |
C3H6 |
0 |
3 |
Ammonia |
R-717 |
NH3 |
0 |
0 |
Carbon dioxide |
R-744 |
CO2 |
0 |
1 |
Air |
R-729 |
- |
0 |
0 |
Water |
R-718 |
H2O |
0 |
0 |
The table below shows refrigerant mixtures in the 400 series (zeotropic mixtures). The ODP
and GWP values can be calculated on the basis of the values for the substances in the
table for single substances, weighting on the basis of the mixture ratio between the
individual substances.
R-number |
Substances |
GWP value (100 years) |
Concentration in weight-% |
R-401A |
HCFC-22/HFC-152a/HCFC-124 |
1,082 |
53/13/34 |
R-402A |
HCFC-22/HFC-125/HC-290 |
2,326 |
38/60/2 |
R-403A |
HCFC-22/PFC-218/HC-290 |
2,675 |
75/20/5 |
R-403B |
HCFC-22/PFC-218/HC-290 |
3,682 |
56/39/5 |
R-404A |
HFC-143a/HFC-125/HFC-134a |
3,260 |
52/44/4 |
R-406A |
HCFC-22/HC-600a/HCFC-142b |
1,755 |
55/4/41 |
R-407C |
HFC-32/HFC-125/HFC-134a |
1,526 |
23/25/52 |
R-408A |
HCFC-22/HFC-143a/HFC-125 |
2,743 |
47/46/7 |
R-409A |
HCFC-22/HCFC-142b/HCFC-124 |
1,440 |
60/15/25 |
R-410A |
HFC-32/HFC-125 |
1,725 |
50/50 |
R-412A |
HCFC-22/HCFC-142b/PFC-218 |
2,040 |
70/25/5 |
R-413A |
HFC-134a/PFC-218/HC-600a |
1,774 |
88/9/3 |
R-414A |
HCFC-22/HCFC-124/HCFC-142b/HC-600a |
1,329 |
51/28.8/16.5/4 |
R-415A |
HCFC-22/HFC-23/HFC-152a |
1,966 |
80/5/15 |
The table below shows refrigerant mixtures in the 500 series (azeotropic mixtures).
R-number |
Substances |
GWP value |
Concentration in weight-% |
R-502 |
CFC-115/HCFC-22 |
5,576 |
51/49 |
R-507 |
HFC-143a/HFC-125 |
3,300 |
50/50 |
R-508A |
HFC-23/PFC-116 |
10,175 |
39/61 |
R-508B |
HFC-23/PFC-116 |
10,350 |
46/54 |
R-509A |
HCFC-22/PFC-218 |
4,668 |
44/56 |