Previous Page PART 38 (N2G)-, (N26: X)-, AND (X :N26: X) -CHROMOPHORES compound system N26 pyridazine ref no 248 340 3.1 2.5 H4 6130 H 246 250 339 2.8 2.8 2.6 E24 6131 W 243 248 299 3.1 3.1 2.5 E24 6132 *2 299 2.2 E24 6133 A 244 278-80 3.4 2.5 B78 6134 W 243 272 3.4 2.5 B78 6135 0.0 242 3.6 B78 6136 A 260 311 3.7 2.8 B26 6137 cH 260 322 3.8 3.0 H4 6138 3-methylpyridazine A 251 310 3.1 2.6 010 6139 2-methylpyrimidine A 249 3.5 B78 6140 W 248 3.5 B78 6141 0.0 251-2 3.9 B78 6142 A 245 3.4 B78 6143 W 244 3.5 B78 6144 0.0 244 3.7 B78 6145 1-ethylpyrazinium bromide A 272 3.9 H4 6146 , 6-dimethylpyrimidine A 245.5 3.3 B79 6147 W 246 3.6 B79 6148 0.0 208.5 247 3.3 3.6 B79 6149 pyrazine 4-methylpyrimidine C2-N2S loge cH pyrimidine C-N2S solv ^max system compound N-N2S loge ref no cH 223 324 3.9 3.0 H4 6150 10.2 251 292 3.6 3.1 B79 6151 l-ethyl-2,5-dimethylpyrazinium bromide A 286 4.0 H4 6152 2-aminopyrimidine A 227 297 4.2 3.6 B78 6153 W 225 290 4.0 3.4 S74 6154 3.0 220 300 4.1 3.6 S74 6155 A 236 272-3 4.3 3.7 B78 6156 W 234 268 4.1 3.6 B78 6157 0.0 246 4.3 B78 6158 233 268-9 4.3 3.7 B78 6159 A 246 315 4.1 3.5 B78 6160 W 236 298 4.0 3.5 B78 6161 1.0 253 332 4.2 3.6 B78 6162 W 234 306-7 4.2 4.3 B147 6163 1.0 228 315 4.2 3.5 B147 6164 2.1 254 4.2 B147 6165 9.0 242 276-7 4.2 3.5 B147 6166 W 243 318 4.3 3.4 B147 6167 1.0 235 324-5 4.2 3.5 B147 6168 3.2 262 4.2 B147 6169 , 5-dimethylpyrazine C3~N26 solv ^max 2,4, 6-trimethy lpyrimidine 4-aminopyr imidine 13.0 5-aminopyrimidine 2- (methylamino) pyr imidine 4- (methylamino) pyrimidine 2- (dimethylamino) pyr imidine 4- (dime thy lamino) pyr imidine system solv compound N2-N2S 4.2 3.6 B147 6170 5-acetamidopyrimidine W 236 4.1 W16 6171 5-benzamidopyrimidine W 256 4.2 W16 6172 *1 265 4.4 W16 6173 3-nitraminopyridazine A 282 325 3.3 3.3 D22 6174 2-anthranilamidopyrimidine 7.0 257 4.3 V3 6175 , 4-diaminopyrimidine 6.5 267 3.6 C20 6176 , 5-diaminopyrimidine 3.2 284 3.9 M18 6177 8.0 246 289 3.9 3.9 M18 6178 6.5 260 3.6 C20 6179 268 306 3.7 3.8 B134 6180 *2 208 304 4.2 3.9 B134 6181 5.9 234 278.5 M8g 6182 *3 253 M8g 6183 *4 258.5 M8g 6184 4-amino-5-f ormamidopyrimidine 5-f ormyl-5 ,6,7, 8-tetrahydropteridine 2,4, 5-triaminopyrimidine 2,4, 6-triaminopyrimidine 5N HC1/W *2 no 250 286 5,6,7, 8-tetrahydropteridine *1 ref 9.3 , 6-diaminopyrimidine N3-N2S max loge acid soln *3 O IN HC1/W *4 O IN NaOH/W 260 302 3.9 3.8 B134 6185 *2 218 276 4.1 4.0 B134 6186 0.0 268 3.6 M18 6187 5.2 228 295 4.2 3.6 M18 6188 9.8 232-4 303 3.9 3.7 M18 6189 2.3 272 3.6 C20 6190 system compound C20 6191 268 Ell 6192 -0.8 265 4.0 M18 6193 3.6 287 4.0 M18 6194 8.0 277 380 3.9 2.4 M18 6195 1.0 277 Ell 6196 11.0 270 Ell 6197 1.0 280 Ell 6198 11.0 272 Ell 6199 2.3 265 3.6 C20 6200 6.5 259 3.6 C20 6201 2.2 273 3.6 C21 6202 6.3 250 283 3.5 3.6 C21 6203 11.0 240 280 Ell 6204 , , 5-triamino-6- (methylamino)pyrimidine1.0 275 Ell 6205 11.0 240 280 Ell 6206 1.0 280 Ell 6207 11.0 240 282 Ell 6208 2.3 272 3.6 C20 6209 6.5 268 3.6 C20 6210 W 229 299 3.9 3.3 010 6211 *1 228 297 3.8 3.2 010 6212 W 234 4.1 010 6213 4, 6-diamino-5-f ormamidopyrimidine 2,4,5, 6-tetraminopyrimidine , 5-diamino-4 , 6-bis (methylamino) pyrimidine 2,4, 6-triamino-5-f ormamidopyrimidine 3-amino-6-methylpyridazine 3-acetamido-6-methylpyridazine *1 monohydrochloride/W no 11.0 2-amino-4,6-bis (me thylamino) pyrimidine 3.6 ref 270 , 4-diamino-6- (methy lamino) pyrimidine NC-N2S loge 6.5 4,5, 6-triaminopyrimidine N4-N2S solv \nax system compound D22 6214 *1 291 3.8 D22 6215 W 291 342 3.6 3.7 D22 6216 *1 297 3.4 D22 6217 0.0 222 299 4.1 3.7 M15 6218 13.0 225 289 4.1 3.6 M15 6219 W 236 3.9 W34 6220 *1 245 4.0 W34 6221 *2 231 272 4.0 3.6 W34 6222 W 234 270 3.9 3.7 W34 6223 *1 254 4.0 W34 6224 *2 231 269 4.0 3.7 W34 6225 W 237 4.0 W34 6226 *1 250 4.1 W34 6227 *2 234 268 4.0 3.6 W34 6228 0.0 253 324 4.1 3.6 M15 6229 13.0 234 293 3.9 3.6 M15 6230 5-amino-l-me thy lpy r imidinium iodide W 256 337 4.2 3.6 W16 6231 2-amino-4 , 6-dimethylpyrimidine A 229 290 4.3 3.9 B79 6232 5.6 226 287 4.0 3.7 B79 6233 4-amino-2-methylpyrimidine 4-amino-5-methylpyrimidine 4-amino-6-methylpyrimidine 5-amino-4-methylpyrimidine *2 no 3.7 3.8 2-amino~4-methylpyrimidine K salt ref 280 329 3-methyl-6- (methylnitramino) pyr idazine *1 loge A 3-methyl-6-nitraminopyridazine NC2-N2S solv ^max 0.001M HCl *3 0.005M NaOH compound system 6234 *1 244 4.0 W34 6235 *2 231 272 4.0 3.7 W34 6236 W 242 3.9 W34 6237 *1 249 4.0 W34 6238 *2 236 266 4.0 3.6 W34 6239 W 239 264 3.8 3.9 W34 6240 *1 258 3.9 W34 6241 *2 234 270 3.8 3.6 W34 6242 A 236 274 3.9 3.7 H65 6243 0.3 246 4.1 H65 6244 6.3 235 277 4.0 3.7 H65 6245 *3