Rate Constants for Interaction of Singlet Oxygen with Diazo Compounds and
Dyes.
__1 - Acridine, 3,6-diamino- (Proflavine)
__2 - Acridinium, 3,6-diamino-10-methyl- (Acriflavine)
__3 - 9,10-Anthraquinone, 1-amino-
__4 - 9,10-Anthraquinone, 2-amino-
__5 - 9,10-Anthraquinone, 1-amino-4-hydroxy-
__6 - 9,10-Anthraquinone, 1-amino-2-methyl-
__7 - 9,10-Anthraquinone, 1,4-bis(methylamino)-
__8 - 9,10-Anthraquinone, 1,2-diamino-
__9 - 9,10-Anthraquinone, 1,4-diamino-
_10 - 9,10-Anthraquinone, 1,5-diamino-
_11 - 9,10-Anthraquinone, 1,8-diamino-
_12 - 9,10-Anthraquinone, 2,6-diamino-
_13 - 9,10-Anthraquinone, 1,5-diaminobromo-4,8-dihydroxy-
_14 - 9,10-Anthraquinone, 1,4-diamino-2-methoxy-
_15 - 9,10-Anthraquinone, 1,4,5,8-tetraamino-
_16 - Benzene, 1-bromo-4-(diazophenylmethyl)-
_17 - Benzene, 1,1'-(diazomethylene)bis- (Diazodiphenylmethane, DDM)
_18 - Benzene, 1,1'-(diazomethylene)bis[4-chloro-
_19 - Benzene, 1,1'-(diazomethylene)bis[4-methyl-
_20 - Benzene, 1,1'-(diazomethylene)bis[2,4,6-trimethyl-
_21 - Benzene, 1-methoxy-4-(diazophenylmethyl)-
_22 - 1,4-Benzenediamine, N4-(6-amino-3-phenylpyrazolo[5,1-c]-1,2,4-triazol-7-ylidene)-N1,N1-diethyl-3-methyl-
_23 - 1,4-Benzenediamine, N1,N1-diethyl-3-methyl-N4-(6-methyl-3-phenylpyrazolo[5,1-c]-1,2,4-triazol-7-ylidene)-
_24 - 1,4-Benzenediamine, N1,N1-diethyl-3-methyl-N4-[6-(phenylamino)-3-phenylpyrazolo[5,1-c]-1,2,4-triazol-7-ylidene]-
_25 - 1,4-Benzenediamine, N1,N1-diethyl-3-methyl-N4-(3-phenylpyrazolo[5,1-c]-1,2,4-triazol-7-ylidene)-
_26 - 1,4-Benzenediamine, N1,N1-diethyl-3-methyl-N4-[3-phenyl-6-(2-thienyl)pyrazolo[5,1-c]-1,2,4-triazol-7-ylidene]-
_27 - Benzenepropanamide, a-[[(4-diethylamino)-2,6-dimethylphenyl]imino]-b-oxo-N-phenyl-
_28 - Benzenepropanamide, a-[[(4-diethylamino)-2-methylphenyl]imino]-b-oxo-N-phenyl-
_29 - Benzenepropanamide, a-[[(4-diethylamino)phenyl]imino]-b-oxo-N-phenyl-
_30 - Benz[e]indolium, 2-[7-(1,3-dihydro-1,1-dimethyl-3-(sulfobutyl)benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-1,1-dimethyl-3-(sulfobutyl)-, hydroxide, inner salt, Na salt
_31 - Benz[e]indolium, 2-[2-[3-[[1,3-dihydro-1,1-dimethyl-3-(3-sulfopropyl)benz[e]indol-2-ylidene]ethylidene]-2-[4-(ethoxycarbonyl)-1-piperidinyl]-1-cyclopenten-1-yl]ethenyl[-1,1-dimethyl-3-(3-sulfopropyl)-, hydroxide, inner salt, compound with triethyl
_32 - 1-Benzopyrylium, 8-[5-(6,7-dihydro-2,4-diphenyl-1-benzopyran-8-yl)-2,4-pentadienylidene]-5,6,7,8-tetrahydro-2,4-diphenyl-, perchlorate
_33 - Benzothiazolium, 2-[[2-butoxy-3-[(3-ethyl-2-benzothiazolylidene)methyl]-4-oxo-2-cyclobuten-1-ylidene]methyl]-3-ethyl-
_34 - Benzothiazolium, 5-chloro-2-[2-[3-[(5-chloro-3-ethyl-2-benzothiazolylidene)ethylidene]-2-(diphenylamino)-1-cyclopenten-1-yl)ethenyl]-3-ethyl-, perchlorate
_35 - Benzothiazolium, 2-[7-(5-chloro-1,3,3-trimethyl-2-indolylidene)-1-(1,3,5-heptatrienyl)-3-methyl-, iodide
_36 - Benzothiazolium, 2-[7-(5-fluoro-1,3,3-trimethyl-2-indolylidene)-1-(1,3,5-heptatrienyl)-3-methyl-, iodide
_37 - Benzothiazolium, 2-[7-(5-methoxy-1,3,3-trimethyl-2-indolylidene)-1-(1,3,5-heptatrienyl)-3-methyl-, iodide
_38 - Benzothiazolium, 3-methyl-2-[7-(1,3,3-trimethyl-2-indol-2-ylidene)-1,3,5-heptatrienyl]-, iodide
_39 - Benzothiazolium, 2-[7-(1,3,3,5-tetramethyl-2-indolylidene)-1-(1,3,5-heptatrienyl)-3-methyl-, iodide
_40 - 3-Benzoxazolepropanesulfonic acid, 2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5-pyrimidinylidene)-2-butenylidene]-, sodium salt (Merocyanine 540)
_41 - 2,3'-Biindolium, 1,1,3-trimethyl-2'-[2-(1,3,3-trimethylindolylidene)methyl]-, iodide
_42 - 2,2'-Carbocyanine, 1,1'-diethyl-, chloride
_43 - 4,4'-Carbocyanine, 1,1'-diethyl-
_44 - 4,4'-Carbocyanine, 1,1'-diethyl-, toluenesulfonate
_45 - Crystal Violet
_46 - 2,2'-Cyanine, 1,1'-diethyl-, iodide
_47 - Cyclobutendiylium, 1,3-bis[4-(diethylamino)-2-hydroxyphenyl]-2,4-dihydroxy-
_48 - Cyclobutendiylium, 1,3-bis[4-(dimethylamino)-2-methylphenyl]-2,4-dihydroxy-
_49 - Cyclobutendiylium, 1,3-bis[4-(N-methyl-N-octadecylamino)-2-methylphenyl]-2,4-dihydroxy-
_50 - 2,5-Cyclohexadien-1-one, 4-[[4-(diethylamino)-2,5-dimethylphenyl]imino]-3,5-dimethyl-
_51 - Diazene, 1-[4-N-(2-cyanoethyl)-N-ethylaminophenyl]-2-(4-methoxyphenyl)-
_52 - Diazene, 1-[4-N-(2-cyanoethyl)-N-ethylaminophenyl]-2-phenyl-
_53 - Diazene, 1-(4-diethylaminophenyl)-2-(2,4-dinitrophenyl)-
_54 - Diazene, 1-(4-diethylaminophenyl)-2-(4-methoxyphenyl)-
_55 - Diazene, 1-(4-diethylaminophenyl)-2-(3-nitrophenyl)-
_56 - Diazene, 1-(4-diethylaminophenyl)-2-(4-nitrophenyl)-
_57 - Diazene, 1-(4-diethylaminophenyl)-2-phenyl-
_58 - Diazene, diphenyl-
_59 - Diazene, 1-[4-N-ethyl-N-(2-hydroxyethyl)aminophenyl]-2-(4-methoxyphenyl)-
_60 - Diazene, 1-(4-methoxy-1-naphthyl)-2-phenyl-
_61 - Diazene, 1-(4-methylphenyl)-2-[1-(phenylaminocarbonyl)-2-oxopropyl]-
_62 - Diazene, 1-(4-nitrophenyl)-2-phenyl-
_63 - Diazene, 1-phenyl-2-[1-(phenylaminocarbonyl)-2-oxopropyl]-
_64 - Fluorene, 9-diazo-
_65 - Fluorescein, 2',7'-dibromo-4'-(hydroxymercuri)-, disodium salt (Merbromin)
_66 - Fluorescein dianion, 2',4',5',7'-tetrabromo- (Eosin)
_67 - Fluorescein dianion, 3,4,5,6-tetrachloro-2',4',5',7'-tetraiodo- (Rose Bengal, RB)
_68 - 3,5-Heptanedione, 4-[[2-ethyl-4-(diethylamino)phenyl]imino]-2,2,6,6-tetramethyl-
_69 - Indene-1,3-dione, 2-(2-quinolylidene)- (Quinophthalone)
_70 - Indigo
_71 - Indolium, 2-[7-[4-bromo-1-(1,3,3-trimethyl-2-indol-2-ylidene)]-1,3,5-heptatrienyl]-1,3,3-trimetetrafluoroborate
_72 - Indolium, 2-[7-[4-chloro-1-(1,3,3-trimethyl-2-indol-2-ylidene)]-1,3,5-heptatrienyl]-1,3,3-trimethyl-, tetrafluoroborate
_73 - Indolium, 2-[7-[4-iodo-1-(1,3,3-trimethyl-2-indol-2-ylidene)]-1,3,5-heptatrienyl]-1,3,3-trimethyl-, iodide
_74 - Indolium, 2-[7-[4-iodo-1-(1,3,3-trimethyl-2-indol-2-ylidene)]-1,3,5-heptatrienyl]-1,3,3-trimethyl-, tetrafluoroborate
_75 - Indolium, 2-[7-(1,3,3-trimethyl-2-indol-2-ylidene)-1-[4-(2,2-dimethoxyethyl)-1,3,5-heptatrienyl]-1,3,3-trimethyl-, tetrafluoroborate
_76 - Indolium, 2-[7-(1,3,3-trimethyl-2-indol-2-ylidene)-1-[4-(1-piperidinio)-1,3,5-heptatrienyl]-1,3,3-trimethyl-, bis(tetrafluoroborate)
_77 - Indolium, 2-[7-(1,3,3-trimethyl-2-indol-2-ylidene)-1-[4-[3-(1,3,3-trimethyl-2-indolylidene)-2-propenyl]-1,3,5-heptatrienyl]-1,1,3-trimethyl-, tetrafluoroborate
_78 - Leucomalachite Green
_79 - Methanesulfonamide, N-[2-[[4-(1,5-dihydro-3-methyl-5-oxo-1-phenylpyrazol-4-ylidene)amino]methylphenyl]ethylamino]ethyl-
_80 - 2-Naphthalenecarboxamide, 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)-
_81 - 2-Naphthalenecarboxamide, 3-hydroxy-4-[(4-methylphenyl)azo]-N-phenyl-
_82 - 1-Naphthalenone, 4-[[2,6-dimethyl-4-(diethylamino)phenyl]imino]-2-(2-methoxy-5-fluorosulfonylphenyl)aminocarbonyl-
_83 - 1-Naphthalenone, 4-[[4-(diphenylamino)phenyl]imino]-
_84 - 1-Naphthalenone, 4-[(N-methyl-N-phenyl)amino]imino-
_85 - 1-Naphthalenone, 4-[[4-(phenylamino)phenyl]imino]-
_86 - 1-Naphthol, 5-[[3-(aminosulfonyl)phenyl]sulfonylamino]-4-[2-(methylsulfonyl)-4-nitrophenylazo]-, conjugate base
_87 - 1-Naphthol, 5-[[3-(aminosulfonyl)phenyl]sulfonylamino]-4-[2-(methylsulfonyl)-4-nitrophenylazo]-, conjugate dibase
_88 - 1-Naphthol, 4-(4-chlorophenylazo)-
_89 - 1-Naphthol, 5-methoxy-4-[2-(methylsulfonyl)-4-nitrophenyl]azo-, conjugate base
_90 - 1-Naphthol, 4-(4-methoxyphenylazo)-
_91 - 1-Naphthol, 4-(4-methylphenylazo)-
_92 - 1-Naphthol, 4-(4-nitrophenylazo)-
_93 - 1-Naphthol, 4-phenylazo-
_94 - 2-Naphthol, 1-(4-aminophenylazo)-
_95 - 2-Naphthol, 1-(4-bromophenylazo)-
_96 - 2-Naphthol, 1-(4-chlorophenylazo)-
_97 - 2-Naphthol, 1-[4-(dimethylamino)phenylazo]-
_98 - 2-Naphthol, 1-(4-flurorophenylazo)-
_99 - 2-Naphthol, 1-(4-hydroxyphenylazo)-
100 - 2-Naphthol, 1-(4-iodophenylazo)-
101 - 2-Naphthol, 1-(4-methoxyphenylazo)-
102 - 2-Naphthol, 1-(4-methyl-2-nitrophenylazo)-
103 - 2-Naphthol, 1-(4-methylphenylazo)-
104 - 2-Naphthol, 1-(4-nitrophenylazo)-
105 - 2-Naphthol, 1-phenylazo-
106 - Naphtho[1,2-d]thiazolium, 1-ethyl-2-[(1-ethylnaphtho[1,2-d]thiazol-2-ylidene)methyl]-, chloride
107 - Naphtho[1,2-d]thiazolium, 1-ethyl-2-[(1-ethylnaphtho[1,2-d]thiazol-2-ylidene)methyl]-1-butenyl-, bromide
108 - Naphtho[1,2-d]thiazolium, 1-ethyl-2-[(1-ethylnaphtho[1,2-d]thiazol-2-ylidene)-1-propenyl]-, toluenesulfonate
109 - Naphtho[2,3-d]thiazolium, 2-[2-[2-(diphenylamino)-3-[3-(4-methoxy-4-oxobutyl)naphtho[2,3-d]thiazol-2-ylidene]ethylidene]1-cyclopenten-1-yl]ethenyl]-3-(4-methoxy-4-oxobutyl)-, perchlorate
110 - 2,2'-Oxatricarbocyanine, 3,3'-diethyl-, iodide
111 - Pentadienylium, 1,1,5,5-tetrakis[4-(diethylamino)phenyl]-
112 - Pentanamide, 2-[[(4-diethylamino)-2-methylphenyl]imino]-4,4-dimethyl-3-oxo-N-phenyl-
113 - Pentanamide, 2-[[(4-diethylamino)phenyl]imino]-4,4-dimethyl-3-oxo-N-phenyl-
114 - Phenothiazinium, 3,7-bis(dimethylamino)- (Methylene Blue, MB)
115 - Phenothiazinium, 3,7-diamino- (Thionine)
116 - Propanediamide, 2-[[(4-diethylamino)-2-ethylphenyl]imino]-N,N'-diphenyl-
117 - 1,3-Propanedione, 2-[[2-ethyl-4-(diethylamino)phenyl]imino]-1,3-diphenyl-
118 - Pyrazole, 4,5-dihydro-5-[4-(diethylamino)phenyl]-3-[2-[4-(diethylamino)phenyl]ethenyl]-1-phenyl-
119 - Pyrazole, 4,5-dihydro-5-[4-(dimethylamino)phenyl]-3-[2-[4-(dimethylamino)phenyl]ethenyl]-1-phenyl-
120 - Pyrazole, 4,5-dihydro-1,5-diphenyl-3-(2-phenylethenyl)-
121 - Pyrazole, 4,5-dihydro-5-(4-methoxyphenyl)-3-[2-(4-methoxyphenyl)ethenyl]-1-phenyl-
122 - Pyrazole, 3,4,4,5-tetramethyl-
123 - 2-Pyrazoline, 3-(4-chlorophenyl)-1,5-diphenyl-
124 - 2-Pyrazoline, 5-(4-chlorophenyl)-1,3-diphenyl-
125 - 2-Pyrazoline, 5-deutero-1,3,5-triphenyl-
126 - 2-Pyrazoline, 3-(4-methoxyphenyl)-1,5-diphenyl-
127 - 2-Pyrazoline, 5-(4-methoxyphenyl)-1,3-diphenyl-
128 - 2-Pyrazoline, 3-(4-methylphenyl)-1,5-diphenyl-
129 - 2-Pyrazoline, 5-(4-methylphenyl)-1,3-diphenyl-
130 - 2-Pyrazoline, 1,3,5-triphenyl-
131 - 3-Pyrazolinone, 4-(4-diethylamino-2-methylphenyl)imino-5-methylcarbamyl-2-phenyl-
132 - 3-Pyrazolinone, 4-[4-[ethyl(2-hydroxyethyl)amino]-2-methylphenyl]imino-5-methyl-2-phenyl-
133 - 3-Pyrazolinone, 4-[4-[(2-hydroxyethyl)ethylamino]phenyl]imino-5-methyl-2-phenyl-
134 - Pyrazolo[1,2-a]benzotriazole
135 - Pyrazolo[1,2-a]benzotriazole, 1,3-dimethyl-
136 - Pyrazol-3-one, 4-[(4-aminophenyl)imino]-2,4-dihydro-5-methyl-2-phenyl-
137 - Pyrazol-3-one, 4-[(4-amino-2,3,5,6-tetramethylphenyl)imino]-2,4-dihydro-5-methyl-2-phenyl-
138 - Pyrazol-3-one, 2-(4-bromophenyl)-4-(4-diethylamino-2-methylphenyl)-2,4-dihydro-imino-5-methylcarbamyl-
139 - Pyrazol-3-one, 2-(3-chlorophenyl)-4-(4-diethylamino-2-methylphenyl)-2,4-dihydro-imino-5-methylcarbamyl-
140 - Pyrazol-3-one, 2-(4-chlorophenyl)-4-(4-diethylamino-2-methylphenyl)-2,4-dihydro-imino-5-methylcarbamyl-
141 - Pyrazol-3-one, 4-[[4-(diethylamino)-2,6-dimethylphenyl]imino]-2,4-dihydro-5-(benzoylamino)-2-phenyl-
142 - Pyrazol-3-one, 4-[[4-(diethylamino)-2,6-dimethylphenyl]imino]-2,4-dihydro-5-(1,1-dimethylethyl)-2-phenyl-
143 - Pyrazol-3-one, 4-[[4-(diethylamino)-2,6-dimethylphenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
144 - Pyrazol-3-one, 4-[[4-(diethylamino)-2-methylphenyl]imino]-2,4-dihydro-5-(1,1-dimethylethyl)-2-phenyl-
145 - Pyrazol-3-one, 4-(4-diethylamino-2-methylphenyl)imino-2,4-dihydro-5-methylcarbamyl-2-(3-methoxyphenyl)-
146 - Pyrazol-3-one, 4-(4-diethylamino-2-methylphenyl)imino-2,4-dihydro-5-methylcarbamyl-2-(3-methylphenyl)-
147 - Pyrazol-3-one, 4-[[4-(diethylamino)-2-methylphenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
148 - Pyrazol-3-one, 4-(4-diethylamino-2-methylphenyl)imino-5-methylcarbamyl-2,4-dihydro-2-(4-nitrophenyl)-
149 - Pyrazol-3-one, 4-(4-diethylamino-2-methylphenyl)imino-5-methylcarbamyl-2,4-dihydro-2-(2,4,6-trichlorophenyl)-
150 - Pyrazol-3-one, 4-[[4-(diethylamino)phenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
151 - Pyrazol-3-one, 2,4-dihydro-4-[(4-methoxyphenyl)imino]-5-methyl-2-phenyl-
152 - Pyrazol-3-one, 4-[[4-(dimethylamino)-3,5-dimethylphenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
153 - Pyrazol-3-one, 4-[[4-(dimethylamino)phenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
154 - Pyrazol-3-one, 4-[[4-(dimethylamino)-2,3,5,6-tetramethylphenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
155 - Pyrazol-3-one, 4-[[4-(diphenylamino)phenyl]imino]-2,4-dihydro-5-methyl-2-phenyl-
156 - Pyrazol-3-one, 4,4'-[(2,3,5,6-tetramethyl-1,4-phenylene)dinitrilo]bis[2,4-dihydro-5-methyl-2-phenyl-
157 - Pyrazolo[5,1-c]-1,2,4-triazole, 7-[4-(N-ethyl-[N-(2-methylsulfonylamino)ethyl]amino-2-methylphenylimino]-6-methyl-3-[4-[3-[(3-butyl-4-hydroxyphenoxy(dodecyl)methoxy]carbonylamino)phenyl]propyl]-
158 - Pyrazolo[5,1-c]-1,2,4-triazole-6-carboxylic acid, 7-[[4-(diethylamino)-2-methylphenyl]imino]-3-phenyl-, ethyl ester
159 - Pyrido[2,1-b]benzothiazolium, 4-[(2,3-dihydro)pyrido[2,1-b]benzothiazol-4-yl)methylene]-1,2,3,4-tetrahydro-, iodide
160 - Pyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)selenapyran-4-ylidene]-3-propenyl]-
161 - Pyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)telluropyran-4-ylidene]-3-propenyl]-
162 - Pyrylium, 4,4'-(1,3-propenyl)bis[2,6-di(1,1-dimethylethyl)-
163 - Selenopyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)selenopyran-4-ylidene]-3-propenyl]-
164 - Telluropyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)telluropyran-4-ylidene]-3-propenyl]-
165 - Telluropyrylium, 2,6-diphenyl-4-(2,6-diphenyltelluropyran-4-ylidene)methyl-
166 - 2,2'-Thiacarbocyanine, 5,5'-dichloro-3,3-diethyl-, bromide
167 - 2,2'-Thiacarbocyanine, 5,5'-dichloro-3,9,3'-triethyl-, bromide
168 - 2,2'-Thiacarbocyanine, 5,5'-dicyano-3,9,3'-triethyl-, tetrafluoroborate
169 - 2,2'-Thiacarbocyanine, 3,3'-diethyl-, toluenesulfonate
170 - 2,2'-Thiacarbocyanine, 3,3'-diethyl-5,5'-dimethoxy-, toluenesulfonate
171 - 2,2'-Thiacarbocyanine, 3,3'-diethyl-8,10-dimethyl-, toluenesulfonate
172 - 2,2'-Thiacarbocyanine, 3,3'-diethyl-8,10-ethanediyl-, toluenesulfonate
173 - 2,2'-Thiacarbocyanine, 3,3'-diethyl-8,9-(1,3-propanediyl)-, iodide
174 - 2,2'-Thiacarbocyanine, 3,9,3'-triethyl-, bromide
175 - 2,2'-Thiacarbocyanine, 3,9,3'-triethyl-5,5'-dimethoxy-, toluenesulfonate
176 - 2,2'-Thiadicarbocyanine, 3,3'-diethyl-, iodide
177 - 2,2'-Thiatricarbocyanine, 3,3'-diethyl-, iodide
178 - Thiopyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)selenopyran-4-ylidene]-3-propenyl]-
179 - Thiopyrylium, 2,6-bis(1,1-dimethylethyl)-4-[1-[2,6-bis(1,1-dimethylethyl)thiopyran-4-ylidene]-3-propenyl]-
180 - 1,2,3-Triazolo[1,2-a]benzotriazole
181 - Tricarbocyanine, 5,5'-dichloro-1,1',3,3,3',3'-hexamethyl-, iodide
182 - Tricarbocyanine, 5,5'-difluoro-1,1',3,3,3',3'-hexamethyl-, iodide
183 - Tricarbocyanine, 5,5'-dimethoxy-1,1',3,3,3',3'-hexamethyl-, iodide
184 - Tricarbocyanine, 1,1',3,3,3',3'-hexamethyl-, fluoride
185 - Tricarbocyanine, 1,1',3,3,3',3'-hexamethyl-, iodide
186 - Tricarbocyanine, 1,1',3,3,3',3'-hexamethyl-, perchlorate
187 - Tricarbocyanine, 1,1',3,3,3',3',5,5'-octamethyl-, iodide