Annex V
Major Chemical Formulae and Nomenclature
This annex presents the formulae and nomenclature for halogen-containing species and other species that are referred to in this
report (Annex V.1). The nomenclature for refrigerants and refrigerant blends is given in Annex V.2.
V.1
Substances by Groupings
V.1.1
Halogen-Containing Species
V.1.1.1
Inorganic Halogen-Containing Species
Atomic chlorine
Molecular chlorine
Chlorine monoxide
Chlorine radicals
Chloroperoxy radical
Dichlorine peroxide (ClO dimer)
Hydrogen chloride (Hydrochloric acid)
Inorganic chlorine
Antimony pentachloride
Cl
Cl2
ClO
ClOx
ClOO
(ClO)2, Cl2O2
HCl
Cly
SbCl5
Atomic fluorine
Molecular fluorine
Hydrogen fluoride (Hydrofluoric acid)
Sulphur hexafluoride
Nitrogen trifluoride
F
F2
HF
SF6
NF3
IPCC Boek (dik).indb 467
Atomic bromine
Molecular bromine
Bromine monoxide
Bromine radicals
Bromine nitrate
Potassium bromide
Br
Br2
BrO
BrOx
BrONO2, BrNO3
KBr
Atomic iodine
Molecular iodine
I
I2
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V.1.1.2
Halocarbons
For each halocarbon the following information is given in columns:
• Chemical compound [Number of isomers]1 (or common name)
• Chemical formula
• CAS number2
• Chemical name (or alternative name)
V.1.1.2.1
Chlorofluorocarbons (CFCs)
CFC-11
CFC-12
CFC-13
CFC-113
[2]
CFC-113
CFC-113a
CFC-114
[2]
CFC-114
CFC-114a
CFC-115
V.1.1.2.2
CCl3F
CCl2F2
CClF3
C2Cl3F3
CCl2FCClF2
75-69-4
75-71-8
75-72-9
Trichlorofluoromethane
Dichlorodifluoromethane
Chlorotrifluoromethane
Trichlorotrifluoroethane
76-13-1
CCl3CF3
C2Cl2F4
CClF2CClF2
354-58-5
CCl2FCF3
CClF2CF3
374-07-2
1,1,2-Trichloro-1,2,2-trifluoroethane
1,1,1-Trichloro-2,2,2-trifluoroethane
Dichlorotetrafluoroethane
1,2-Dichloro-1,1,2,2-tetrafluoroethane
1,1-Dichloro-1,2,2,2-tetrafluoroethane
Chloropentafluoroethane
76-14-2
Hydrochlorofluorocarbons (HCFCs)
HCFC-21
HCFC-22
HCFC-123
[3]
HCFC-123
HCFC-123a
HCFC-123b
HCFC-124
[2]
HCFC-124
HCFC-124a
HCFC-141b
HCFC-142b
HCFC-225ca
HCFC-225cb
CHCl2F
CHClF2
C2HCl2F3
CHCl2CF3
C2HCl2F3
C2HCl2F3
75-43-4
75-45-6
306-83-2
354-23-4
812-04-4
CHClFCF3
C2HClF4
CH3CCl2F
CH3CClF2
CHCl2CF2CF3
CHClFCF2CClF2
2837-89-0
354-25-6
1717-00-6
75-68-3
422-56-0
507-55-1
Dichlorofluoromethane
Chlorodifluoromethane
Dichlorotrifluoroethane
2,2-Dichloro-1,1,1-trifluoroethane
1,2-Dichloro-1,1,2-trifluoroethane
1,1-Dichloro-1,2,2-trifluoroethane
Chlorotetrafluoroethane
2-Chloro-1,1,1,2-tetrafluoroethane
1-Chloro-1,1,2,2-tetrafluoroethane
1,1-Dichloro-1-fluoroethane
1-Chloro-1,1-difluoroethane
3,3-Dichloro-1,1,1,2,2-pentafluoropropane
1,3-Dichloro-1,1,2,2,3-pentafluoropropane
1
The number of isomers is shown between brackets for figures larger than unity.
The Chemical Abstracts Service (CAS) Registry Number for this substance. The CAS number is an internationally-recognised unique numeric identifier that
designates only one chemical substance. The CAS is a division of the American Chemical Society.
2
IPCC Boek (dik).indb 468
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Annex V: Major Chemical Formulae and Nomenclature
V.1.1.2.3
Hydrofluorocarbons (HFCs)
HFC-23
HFC-32
HFC-41
HFC-125
HFC-134
[2]
HFC-134
HFC-134a
HFC-143
[2]
HFC-143
HFC-143a
HFC-152
[2]
HFC-152
HFC-152a
HFC-161
HFC-227
[2]
HFC-227ca
HFC-227ca
HFC-236
[4]
HFC-236ca
HFC-236cb
HFC-236ea
HFC-236fa
HFC-245
[5]
e.g. HFC-245ce
HFC-245fa
HFC-365mfc
HFC-c-447ef
V.1.1.2.4
CHF3
CH2F2
CH3F
CHF2CF3
C2H2F4
CHF2CHF2
CH2FCF3
C2H3F3
CH2FCHF2
CH3CF3
C2H4F2
CH2FCH2F
CHF2CH3
CH3CH2F
C3HF7
CF3CF2CHF2
CF3CHFCF3
C3H2F6
CHF2CF2CHF2
CH2FCF2CF3
CHF2CHFCF3
CF3CH2CF3
C3H3F5
CH2FCF2CHF2
CHF2CH2CF3
CH3CF2CH2CF3
c-C5H3F7
75-46-7
75-10-5
593-53-3
354-33-6
359-35-3
811-97-2
430-66-0
420-46-2
624-72-6
75-37-6
353-36-6
2252-84-8
431-89-0
27070-61-7
677-56-5
431-63-0
690-39-1
679-86-7
460-73-1
406-58-6
15290-77-4
CBr2F2
CBrClF2
75-61-6
353-59-3
Halon-1301
Halon-2402
CBrF3
CBrF2CBrF2
75-63-8
124-73-2
Dibromodifluoromethane
Bromochlorodifluoromethane (Chlorodifluorobromomethane),
R-12B1
Bromotrifluoromethane, R-13B1
1,2-Dibromotetrafluoroethane (1,1,2,2-Tetrafluoro-1,2dibromoethane, 1,2-Dibromo-1,1,2,2-tetrafluoroethane)
Perfluorocarbons (PFCs)
PFC-14
PFC-116
PFC-218
PFC-318 or PFC-c318
PFC-3-1-10
PFC-5-1-14
PFC-6-1-16
PFC-7-1-18
IPCC Boek (dik).indb 469
Trifluoromethane
Difluoromethane (Methylene fluoride)
Fluoromethane (Methyl fluoride)
Pentafluoroethane
Tetrafluoroethane
1,1,2,2-Tetrafluoroethane
1,1,1,2-Tetrafluoroethane
Trifluoroethane
1,1,2-Trifluoroethane
1,1,1-Trifluoroethane
Difluoroethane
1,2-Difluoroethane
1,1-Difluoroethane
Monofluoroethane (Ethyl fluoride)
Heptafluoropropane
1,1,1,2,2,3,3-Heptafluoropropane
1,1,1,2,3,3,3-Heptafluoropropane
Hexafluoropropane
1,1,2,2,3,3-Hexafluoropropane
1,1,1,2,2,3-Hexafluoropropane
1,1,1,2,3,3-Hexafluoropropane
1,1,1,3,3,3-Hexafluoropropane
Pentafluoropropane
1,1,2,2,3-Pentafluoropropane
1,1,1,3,3-Pentafluoropropane
1,1,1,3,3-Pentafluorobutane
Heptafluorocyclopentane
Halons
Halon-1202
Halon-1211
V.1.1.2.5
469
CF4
C2F6 (CF3CF3)
C3F8 (CF3CF2CF3)
c-C4F8 ( -(CF2)4- )
C4F10
C6F14
C7F16
C8F18
75-73-0
76-16-4
76-19-7
115-25-3
355-25-9
355-42-0
335-57-9
307-34-6
Tetrafluoromethane (Carbon tetrafluoride)
Perfluoroethane (Hexafluoroethane)
Perfluoropropane (Octafluoropropane)
Perfluorocyclobutane (Octafluorocyclobutane)
Perfluorobutane
Perfluorohexane
Perfluoroheptane
Perfluorooctane
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V.1.1.2.6
Fluorinated Ethers
HFE-449s1
C5H3F9O
CF3(CF2)3OCH3
(CF3)2CFCF2OCH3
HFE-569sf2
HFE-347pcf2
V.1.1.2.7
Perchloroethene
Ethyl chloride
Methyl chloroform
Isopropyl chloride
C4H3F7O (CF3CH2OCF2CHF2)
Ethyl perfluorobutyl ether
Ethyl perfluoroisobutyl ether
1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether
CCl4
CHCl3
CH2Cl2
CH3Cl
C2HCl3
(CHCl=CCl2)
C2Cl4 (CCl2=CCl2)
CH3CH2Cl
CH3CCl3
CH3CHClCH3
56-23-5
67-66-3
75-09-2
74-87-3
79-01-6
R-10, (Halon 104)
Trichloromethane, R-20
Dichloromethane, R-30, freon 30
Chloromethane, R-40, freon 40
1,1,2-Trichloroethylene, TCE
127-18-4
75-00-3
71-55-6
75-29-6
Perchloroethylene, tetrachloroethene
Chloroethane
1,1,1-Trichloroethane
2-Chloropropane
74-83-9
75-25-2
106-94-5
Bromomethane (Halon-1001)
Tribromomethane
1-Bromopropane, n-PB
Bromocarbons
Methyl bromide
Bromoform
n-Propyl bromide
IPCC Boek (dik).indb 470
C6H5F9O
CF3(CF2)3OCH2CH3 163702-05-4
(CF3)2CFCF2OCH2CH3
163702-06-5
Methyl nonafluorobutyl ether
Perfluoroisobutyl methyl ether
Chlorocarbons
Carbon tetrachloride
Chloroform
Methylene chloride
Methyl chloride
Trichloroethene
V.1.1.2.8
163702-07-6
163702-08-7
CH3Br
CHBr3
CH3CH2CH2Br
(n-C3H7Br)
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Annex V: Major Chemical Formulae and Nomenclature
V.1.1.2.9
Other Halocarbons
FK-5-1-12
V.1.2
V.1.2.1
C6F12O
756-13-8
(CF3CF2C(O)CF(CF3)2)
CH2BrCl
74-97-5
C2HF3O2
76-05-1
(CF3COOH)
COF2
353-50-4
C2F4O (CF3COF)
354-34-7
C8HF15O2
335-67-1
CH2ClI
593-71-5
CH2BrI
557-68-6
CF3I
2314-97-8
CF3CF2I
354-64-3
COClF
353-49-1
CF3COCl
354-32-5
SF5CF3
373-80-8
Nonafluoro-4- (trifluoromethyl)-3- pentanone
Bromochloromethane (Halon-1011)
Trifluoroacetic acid (TFA), Perfluoric acid
Carbonyl fluoride, Carbonic difluoride
Trifluoroacetyl fluoride
Perfluorooctanoic acid (FOA), Pentadecafluorooctanoic acid
Chloroiodomethane
Bromoiodomethane
Trifluoromethyl iodide, trifluoroiodomethane
Iodopentafluoroethane
Chlorofluorocarbonyl
Trifluoroacetyl chloride
Trifluoromethylsulphur pentafluoride
Other Species
Inorganic Species
Atomic oxygen
Atomic oxygen (first excited state)
Molecular oxygen (R-732)
Ozone
Odd oxygen (O, O(1D), O3)
or oxidant (O3 + NO2)
O
O(1D)
O2
O3
Ox
Atomic hydrogen
Molecular hydrogen (R-702)
Hydroxyl radical
Hydroperoxyl radical
Water (R-718)
Hydrogen peroxide
Odd hydrogen (H, OH, HO2, H2O2)
H
H2
OH
HO2
H2O
H2O2
HOx
Atomic sulphur
Sulphur dioxide (R-764)
Sulfate
Sulphuric acid
Hydrogen sulfide
Sulphur oxides (SO + SO2 + SO3)
S
SO2
SO4
H2SO4
H2S
SOx
IPCC Boek (dik).indb 471
471
Carbon atom
Carbon monoxide
Carbon dioxide (R-744)
Sodium bicarbonate
C
CO
CO2
NaHCO3
Atomic nitrogen
Molecular nitrogen (R-728)
Nitrous oxide (R-744A)
Nitric oxide
Nitrogen dioxide
Nitrogen trioxide, nitrate radical
Dinitrogen pentoxide
Nitrogen oxides (NO + NO2)
Total reactive nitrogen (usually includes
NO, NO2, NO3, N2O5, ClONO2, HNO4,
HNO3)
Amidogen radical
Ammonia (R-717)
Ammonium
Ammonium sulfate
Ammonium nitrate
Ammonium phosphate
Nitric acid
Hydrogen cyanide
N
N2
N2O
NO
NO2
NO3
N2O5
NOx
NOy
Helium (R-704)
Argon (R-740)
Radon
He
Ar
Rn
NH2
NH3
NH4
(NH4)2SO4
NH4NO3
(NH4)H2PO4
HNO3
HCN
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V.1.2.2
Non-Halogenated Hydrocarbons and Other Organic Species
Common or Industrial Designation
Methane
Ethane
Propane
Butane
Isobutane
Pentane
Isopentane
Methyl ether
Cyclopropane
Cyclopentane
Ethene
Propene
Benzene
Toluene
Xylene
Trimethylbenzene
Isoprene
Ethyl ether
n-Octanol
Methyl formate
Isopropanol
Methyl amine
Ethyl amine
Ethyne
Formaldehyde
Acetone
Methyl peroxide
Methyl peroxy radical
Acetyl peroxy radical
Alkoxy radicals
Organic peroxy radicals
IPCC Boek (dik).indb 472
Formula
CAS-number
CH4
74-82-8
C2H6 (CH3CH3)
74-84-0
C3H8 (CH3CH2CH3)
74-98-6
C4H10 (CH3CH2CH2CH3)
106-97-8
C4H10 ((CH3)2CHCH3)
75-28-5
C5H12 (CH3(CH2)3CH3)
109-66-0
C5H12 ((CH3)2CHCH2CH3) 78-78-4
C2H6O (CH3OCH3)
115-10-6
c-C3H6 ( -(CH2)3- )
75-19-4
c-C5H10 ( -(CH2)5- )
287-92-3
C2H4 (CH2=CH2)
74-85-1
C3H6 (CH3CH=CH2)
115-07-1
C6H6
71-43-2
C7H8
108-88-3
C8H10
several isomers
C9H12
several isomers
C5H8
78-79-5
C4H10O
60-29-7
(CH3CH2OCH2CH3)
C8H18O (CH3(CH2)7OH)
111-87-5
C2H4O2 (HCOOCH3)
107-31-3
C3H8O (CH3CHOHCH3)
67-63-0
CH5N (CH3NH2)
74-89-5
C2H7N (CH3CH2(NH2) )
75-04-7
C2H2 (CH≡CH)
74-86-2
CH2O (HCHO)
50-00-0
C3H6O (CH3COCH3)
67-64-1
CH4O2 (CH3OOH)
3031-73-0
CH3OO
CH3C(O)OO
RO
RO2
Other Names
R-50
R-170
R-290
R-600, n-Butane
R-600a, i-Butane, 2-Methylpropane
R-601, n-Pentane
R-601a, i-Pentane, 2-Methylbutane
R-E170, Dimethyl ether
C-270
R-1150, Ethylene
R-1270, Propylene
Methylbenzine
Dimethylbenzene
2-Methyl-1,3-butadiene
R-610, Diethyl ether
1-Octanol, 1-Octyl alcohol
R-611, Formic acid methyl ester
Isopropyl alcohol
R-630
R-631
Acetylene
Oxomethane, Methylene oxide
2-Propanone, Methyl ketone
Methyl hydroperoxide
15-08-2005 10:57:16
Annex V: Major Chemical Formulae and Nomenclature
10
11
12
12B1
13
13B1
14
20
21
22
23
30
31
32
40
41
50
113
114
115
116
123
124
125
134a
141b
142b
143a
152a
170
E170
218
227ea
236fa
245fa
C270
290
C318
600
600a
610
611
630
631
IPCC Boek (dik).indb 473
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Other
HC
Refrigerant
Number
PFC
Refrigerant Designations for Compounds
HFC
V.2.1
HCFC
Refrigerant Nomenclature
CFC
V.2
473
Chemical name
x Carbon tetrachloride
Trichlorofluoromethane
Dichlorodifluoromethane
x Bromochlorodifluoromethane (Halon-1211)
Chlorotrifluoromethane
x Bromotrifluoromethane (Halon-1301)
Carbon tetrafluoride
x Chloroform
Dichlorofluoromethane
Chlorodifluoromethane
Trifluoromethane
x Dichloromethane (Methylene chloride, Freon
30)
Chlorofluoromethane
Difluoromethane (Methylene fluoride)
x Chloromethane (Methyl chloride, Freon 40)
Fluoromethane (Methyl fluoride)
Methane
1,1,2-Trichloro-1,2,2-trifluoroethane
1,2-Dichloro-1,1,2,2-tetrafluoroethane
Chloropentafluoroethane
Hexafluoroethane
2,2-Dichloro-1,1,1-trifluoroethane
2-Chloro-1,1,1,2-tetrafluoroethane
Pentafluoroethane
1,1,1,2-Tetrafluoroethane
1,1-Dichloro-1-fluoroethane
1-chloro-1,1-Difluoroethane
1,1,1-Trifluoroethane
1,1-Difluoroethane
Ethane
Methyl ether (Dimethyl ether)
Octafluoropropane
1,1,1,2,3,3,3-Heptafluoropropane
1,1,1,3,3,3-Hexafluroropropane
1,1,1,3,3-Pentafluoropropane
Cyclopropane
Propane
Octafluorocyclobutane
Butane
2-Methyl propane (Isobutane)
Ethyl ether
Methyl formate
Methyl amine
Ethyl amine
Examples:
R-11 is also referred to as CFC-11
R-12B1
,,
Halon-1211
R-22
,,
HCFC-22
R-23
,,
HFC-23
R-116
,,
PFC-116
R-600
,,
HC-600
(or butane)
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704
717
718
720
728
729
732
740
744
744A
764
1132a
1150
1270
IPCC Boek (dik).indb 474
Other
HC
PFC
HFC
HCFC
Refrigerant
Number
CFC
474
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Chemical name
Hydrogen
Helium
Ammonia
Water
Neon
Nitrogen
Air
Oxygen
Argon
Carbon dioxide
Nitrous oxide
Sulphur dioxide
1,1-Difluoroethene (Vinylidene fluoride)
Ethene (Ethylene)
Propene (Propylene)
15-08-2005 10:57:17
1
CFC-12
73.8%
25%
x%
CFC-114
y%
HCFC-22
HCFC-124
75%
96%
51%
50%
82%
25%
87.5%
94%
70%
39.5%
28.5% 16.5%
39%
9.5%
25%
15%
10%
25%
25%
47%
60%
65%
HCFC-31
5.5%
41%
34%
28%
52%
HCFC-142b
45%
55%
53%
61%
33%
38%
60%
75%
56%
HFC-32
50%
45%
20%
10%
23%
15%
25%
77%
46.6%
50%
55%
40%
70%
25%
15%
15%
7%
44%
60%
38%
19%
59%
50%
88%
40%
20%
52%
70%
60%
4%
46%
52%
HFC-143a
HFC-23
CFC-115
CFC-13
18%
75%
11%
3%
7%
13%
11%
15%
HFC-152a
26.2%
2.5%
R-400 can have various proportions of CFC-12 and CFC-114. The exact composition needs to be specified, e.g. R-400 (60/40).
R-4001
R-401A
R-401B
R-401C
R-402A
R-402B
R-403A
R-403B
R-404A
R-405A
R-406A
R-407A
R-407B
R-407C
R-407D
R-407E
R-408A
R-409A
R-409B
R-410A
R-410B
R-411A
R-411B
R-412A
R-413A
R-414A
R-414B
R-415A
R-415B
R-416A
R-417A
R-418A
R-419A
R-500
R-501
HFC-125
IPCC Boek (dik).indb 475
HFC-134a
V.2.2
Refrigerant Designations for Blends of Compounds (R-400 and R-500 Blends)
Nominal composition (mass%)
PFC-218
5%
9%
20%
39%
PFC-C318
42.5%
R-E170
4%
HC-290
1.5%
2%
2%
5%
5%
HC-600
1.5%
3.4%
HC-600a
3%
4%
1.5%
4%
HC-1270
1.5%
3%
Annex V: Major Chemical Formulae and Nomenclature
475
15-08-2005 10:57:19
PFC-116
IPCC Boek (dik).indb 476
15-08-2005 10:57:19
R-502
R-503
R-504
R-505
R-506
R-507A
R-508A
R-508B
R-509A
78%
CFC-12
59.9%
CFC-13
44.9%
CFC-114
51.8%
44%
51.2% 48.8%
CFC-115
HCFC-22
22%
55.1%
HCFC-31
HCFC-124
HCFC-142b
39%
46%
40.1%
HFC-23
48.2%
HFC-32
50%
HFC-125
HFC-134a
50%
HFC-143a
HFC-152a
61%
54%
PFC-116
56%
PFC-218
PFC-C318
R-E170
HC-290
HC-600
HC-600a
HC-1270
476
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