APPENDIX C
MAJOR CHEMICAL FORMULAE AND NOMENCLATURE
FROM THIS ASSESSMENT
HALOGEN-CONTAINING SPECIES
Cl
Cl2
ClO
ClOx
OClO
ClOO
Cl2O2, ClOOCl
ClONO
ClONO2, ClNO3
HCl
HOCl
Cly
CCly
BrCl
atomic chlorine
molecular chlorine
chlorine monoxide
chlorine radicals
chlorine dioxide
chloroperoxy radical
dichlorine peroxide (ClO dimer)
chlorine nitrite, nitryl chloride
chlorine nitrate
hydrogen chloride (hydrochloric acid)
hypochlorous acid
inorganic chlorine
organic chlorine
bromine chloride
F
F2
atomic fluorine
molecular fluorine
HF
hydrogen fluoride (hydrofluoric acid)
SF6
SF5CF3
NF3
sulfur hexafluoride
trifluoromethylsulfurpentafluoride
nitrogen trifluoride
HALOCARBONS
CHLOROFLUOROCARBONS (CFCS)
CFC-11
CCl3F
CFC-12
CCl2F2
CFC-13
CClF3
CFC-113
CCl2FCClF2
CFC-113a
CCl3CF3
CFC-114
CClF2CClF2
CFC-114a
CCl2FCF3
CFC-115
CClF2CF3
Br
Br2
BrO
BrOx
OBrO
atomic bromine
molecular bromine
bromine monoxide
bromine radicals
bromine dioxide
BrONO2, BrNO3
HBr
HOBr
Bry
CBry
BrOOCl
bromine nitrate
hydrogen bromide
hypobromous acid
inorganic bromine
organic bromine
bromochloroperoxide
I
I2
IO
OIO
IONO2
HI
HOI
atomic iodine
molecular iodine
iodine monoxide
iodine dioxide
iodine nitrate
hydrogen iodide
hypoiodous acid
HYDROCHLOROFLUOROCARBONS (HCFCS)
HCFC-21
CHCl2F
HCFC-22
CHClF2
HCFC-31
CH2ClF
HCFC-123
CHCl2CF3
HCFC-124
CHClFCF3
HCFC-141b
CH3CCl2F
HCFC-142b
CH3CClF2
HCFC-225ca
CHCl2CF2CF3
HCFC-225cb
CHClFCF2CClF2
HCFC-243cc
CH3CF2CFCl2
C.1
CHEMICAL FORMULAE
HYDROFLUOROCARBONS (HFCS)
HFC-23
CHF3
HFC-32
CH2F2
HFC-41
CH3F
HFC-125
CHF2CF3
HFC-134
CHF2CHF2
HFC-134a
CH2FCF3
HFC-143
CH2FCHF2
HFC-143a
CH3CF3
HFC-152
CH2FCH2F
HFC-152a
CH3CHF2
HFC-161
CH3CH2F
HFC-227ea
CF3CHFCF3
HFC-236cb
CH2FCF2CF3
HFC-236ea
CHF2CHFCF3
HFC-236fa
CF3CH2CF3
HFC-245cb
HFC-245ca
HFC-245ea
HFC-245eb
HFC-245fa
HFC-263fb
HFC-272ca
HFC-281ea
HFC-365mfc
HFC-356mcf
HFC-356mff
HFC-338pcc
HFC-43-10mee
HFC-458mfcf
HFC-55-10mcff
CH3CF2CF3
CH2FCF2CHF2
CHF2CHFCHF2
CH2FCHFCF3
CHF2CH2CF3
CH3CH2CF3
CH3CF2CH3
CH3CHFCH3
CH3CF2CH2CF3
CH2FCH2CF2CF3
CF3CH2CH2CF3
CHF2CF2CF2CHF2
CF3CHFCHFCF2CF3
CF3CH2CF2CH2CF3
CF3CF2CH2CH2CF2CF3
HALONS
Halon-1202
Halon-1211
Halon-1301
Halon-2402
CBrF3
CBrF2CBrF2
CHLOROCARBONS
CH3Cl
CH2Cl2
CHCl3
CCl4
C2HCl3
C2Cl4
CH3CH2Cl
CH2ClCH2Cl
CH3CCl3
C2H2Cl4
C4Cl6
COCl2
IODOCARBONS
CH3I
CH2I2
CH3CH2I
CH3CHICH3
(i-C3H7I)
CH3CH2CH2I
(n-C3H7I)
OTHERS
CHBr2Cl
CH2BrCl
CHBrCl2
CH2BrI
CHBrF2
CH2ClI
CBr2F2
CBrClF2
methyl chloride, chloromethane
methylene chloride, dichloromethane
chloroform, trichloromethane
carbon tetrachloride
trichloroethene, trichloroethylene
tetrachloroethene, perchloroethene
chloroethane
1, 2 dichloroethane
methyl chloroform
tetrachloroethane
hexachlorobutadiene
phosgene, carbonyl chloride
BROMOCARBONS
CH3Br
CH2Br2
CHBr3
CH2BrCH2Br
CH3CH2CH2Br
(n-C3H7Br)
CH3C(O)CH2Br
methyl bromide, bromomethane
methylene bromide, dibromomethane
bromoform, tribromomethane
1,2 dibromoethane
1-bromopropane, n-propyl bromide, n-PB
bromoacetone
1-iodopropane, n-propyl iodide
FLUOROCARBONS
CF4
C2F6, CF3CF3
C3F8, CF3CF2CF3
c-C3F6
C4F10
c-C4F8
C5F12
C6F14
COF2
TFA
CF3COF
tetrafluoromethane, carbon tetrafluoride
perfluoroethane
perfluoropropane
perfluorocyclopropane
perfluorobutane
perfluorocyclobutane
perfluoropentane
perfluorohexane
carbonyl fluoride
trifluoroacetic acid (CF3COOH)
trifluoroacetyl fluoride
dibromochloromethane
bromochloromethane
bromodichloromethane
bromoiodomethane
bromodifluoromethane
chloroiodomethane
CF3I
CF3CF2I
COClF
CF3COCl
SF6
SF5CF3
trifluoromethyl iodide, trifluoroiodomethane
iodopentafluoroethane
chlorofluorocarbonyl
trifluoroacetyl chloride
sulfur hexafluoride
trifluoromethylsulfurpentafluoride
iodomethane, methyl iodide
diiodomethane
iodoethane, ethyl iodide
2-iodopropane, isopropyl iodide
C.2
CHEMICAL FORMULAE
OTHER SPECIES
O
O(3P)
O(1D)
O2
O3
Ox
atomic oxygen
atomic oxygen (ground state)
atomic oxygen (first excited state)
molecular oxygen
ozone
odd oxygen (O, O(1D), O3) or
oxidant (O3 + NO2)
H
H2
OH
HO2
H2O
H2O2
HOx
HDO
atomic hydrogen
molecular hydrogen
hydroxyl radical
hydroperoxyl radical
water
hydrogen peroxide
odd hydrogen (H, OH, HO2, H2O2)
deuterated water
N
N2
N2O
NO
NO2
NO3
N2O5
NOx
NOy
atomic nitrogen
molecular nitrogen
nitrous oxide
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)
HNO2, HONO
HOONO
HNO3
HNO4, HO2NO2
CH3OONO2
PAN
RONO2
NAD
NAT
NAP
nitrous acid
pernitrous acid
nitric acid
peroxynitric acid, pernitric acid
methylperoxynitrate
peroxyacetylnitrate (CH3C(O)OONO2)
alkyl nitrates
nitric acid dihydrate (HNO3◊2H2O)
nitric acid trihydrate (HNO3◊3H2O)
nitric acid pentahydrate (HNO3◊5H2O)
S
SO2
SO4
atomic sulfur
sulfur dioxide
sulfate
H2S
CS2
COS, OCS
hydrogen sulfide
carbon disulfide
carbonyl sulfide
H2SO4
CH3SCH3
CH3S(O)CH3
CH3SO3H
sulfuric acid
DMS, dimethyl sulfide
DMSO, dimethyl sulfoxide
MSA, methanesulfonic acid
C
CO
CO2
carbon atom
carbon monoxide
carbon dioxide
NMHC
CH4
C2H6
C 3H 8
C 2H 4
C 2H 2
nonmethane hydrocarbon
methane
ethane
propane
ethylene, ethene
acetylene, ethyne
CH2O, HCHO
CH3COCH3
CH3OOH
CH3COO
CH3C(O)OO
RO
RO2
formaldehyde
acetone
methyl hydroperoxide
methyl peroxy radical
acetyl peroxy radical
alkoxy radicals
organic peroxy radicals
C.3