| 1 | 81-03-8 | 1,1,3,3,5-pentamethylindan | C14H20 | 188.31 | | |
| 2 | 81-04-9 | 1,5-Naphthalenedisulfonic Acid | C10H8O6S2 | 288.3 | 242.5°C (rough estimate) | 90.52g/L at 25℃ |
| 3 | 81-05-0 | 2-aminonaphthalene-5-sulfonic acid | C10H9NO3S | 223.25 | | 0.33g/L(20 ºC) |
| 4 | 81-06-1 | 1-aminonaphthalene-2-sulphonic acid | C10H9NO3S | 223.25 | | 4.1g/L(20 ºC) |
| 5 | 81-07-2 | Saccharin | C7H5NO3S | 183.18 | 226-229 °C (lit.) | 3.3 g/L (20 ºC) |
| 6 | 81-08-3 | 2-Sulfobenzoic acid cyclic anhydride | C7H4O4S | 184.17 | 116-124°C | |
| 7 | 81-09-4 | N-ethyl-2-nitro-N-phenylbenzenesulphonamide | C14H14N2O4S | 306.34 | | |
| 8 | 81-10-7 | 2-Amino-N-ethyl-N-phenylbenzenesulfonamide | C14H16N2O2S | 276.35 | 56-60°C(lit.) | |
| 9 | 81-11-8 | 4,4'-Diamino-2,2'-stilbenedisulfonic acid | C14H14N2O6S2 | 370.40 | >325℃ | <0.1 g/100 mL at 23℃ |
| 10 | 81-12-9 | alpha-hydroxy-p-methoxytoluene-alpha-sulphonic acid | C8H10O5S | 218.227 | | |
| 11 | 81-13-0 | Dexpanthenol | C9H19NO4 | 205.25 | 64～69℃ | soluble |
| 12 | 81-14-1 | Musk ketone | C16H30O | 238.41 | 134-137 °C | Insoluble (<0.1 g/100 mL at 20 ºC) |
| 13 | 81-15-2 | 5-tert-butyl-2,4,6-trinitro-m-xylene | C12H15N3O6 | 297.264 | 235.4℃ | |
| 14 | 81-16-3 | Tobias acid | C10H9NO3S | 223.25 | 180 °C | 4.083g/L(20 ºC) |
| 15 | 81-19-6 | 2,6,alpha,alpha-tetrachlorotoluene | C7H4Cl4 | 229.92 | | |
| 16 | 81-20-9 | 2-Nitro-m-xylene | C8H9NO2 | 151.16 | 14-16°C(lit.) | insoluble |
| 17 | 81-21-0 | Dicyclopentadiene diepoxide | C10H12O2 | 164.2 | 185-189°C(lit.) | Soluble in water. |
| 18 | 81-23-2 | Dehydrocholic acid | C24H34O5 | 402.53 | 238-240 °C | 65mg/L(30 ºC) |
| 19 | 81-24-3 | Taurocholic Acid | C26H45NO7S | 515.7 | 125°C (rough estimate) | |
| 20 | 81-25-4 | Cholic acid | C24H40O5 | 408.58 | 200-201 °C (lit.) | 0.28 g/L (15 ºC) |
| 21 | 81-26-5 | 2,2'-dimethyl-1,1'-bianthraquinone | C30H18O4 | 442.46 | | |
| 22 | 81-27-6 | Sennoside A | C42H38O20 | 862.74 | >191oC (dec.) | |
| 23 | 81-29-8 | 1,3,6,8-tetrachloropyrene | C16H6Cl4 | 340.03 | | |
| 24 | 81-30-1 | naphthalene-1,4,5,8-tetracarboxylic acid | C14H4O6 | 268.18 | >300℃ | |
| 25 | 81-31-2 | 5,10-Dihydrodinaphtho[1,2,3-cd:3',2',1'-lm]perylene | C34H20 | 428.52 | | |
| 26 | 81-32-3 | perylene-3,4,9,10-tetracarboxylic acid | C24H12O8 | 428.34728 | | |
| 27 | 81-33-4 | perylene-3,4:9,10-tetracarboxydiimide | C24H10N2O4 | 390.35 | | |
| 28 | 81-37-8 | FLUOROL YELLOW 088 | C22H16O | 296.36 | | |
| 29 | 81-38-9 | (7aR)-6,7,7a,8-Tetrahydro-11-methoxy-7-methyl-5H-benzo[g]-1,3-benzodioxolo[6,5,4-de]quinoline | C19H19NO3 | | 114°C | |
| 30 | 81-39-0 | Fluorescent Red H5B | C24H18N2O2 | 366.41 | | 750-2880900ng/L at 20-30℃ |
| 31 | 81-41-4 | 1,4-DIAMINO-2,3-DICYANO-9,10-ANTHRAQUINONE | C16H8N4O2 | 288.26 | >300℃ | |
| 32 | 81-42-5 | 1,4-Diamino-2,3-dichloroanthraquinone | C14H8Cl2N2O2 | 307.13 | 295℃ | |
| 33 | 81-44-7 | 1-BENZOYLAMINO-4-BROMOANTHRAQUINONE | C21H12BrNO3 | 406.23 | | |
| 34 | 81-45-8 | N-(4-chloro-9,10-dihydro-9,10-dioxo-1-anthryl)benzamide | C21H12ClNO3 | 361.78 | | |
| 35 | 81-46-9 | 1-AMINO-4-BENZAMIDOANTHRAQUINONE | C21H14N2O3 | 342.35 | | |
| 36 | 81-48-1 | 1-hydroxy-4-(p-toluidino)anthraquinone | C21H15NO3 | 329.35 | 186.1 °C | |
| 37 | 81-49-2 | 1-amino-2,4-dibromoanthraquinone | C14H7Br2NO2 | 381.02 | 226°C | <0.1 g/100 mL at 23 ºC |
| 38 | 81-50-5 | 1-amino-4-bromo-2-methylanthraquinone | C15H10BrNO2 | 316.15 | 245°C (dec.)(lit.) | |
| 39 | 81-51-4 | Indole-3-acetic acid | C10H9NO2 | 175.18 | | |
| 40 | 81-51-6 | 1-amino-2,4-dihydroxyanthraquinone | C14H9NO4 | 255.22556 | | |
| 41 | 81-52-7 | 2-bromo-1,4-dihydroxyanthraquinone | C14H7BrO4 | 319.11 | | |
| 42 | 81-53-8 | 2-chloro-1,4-dihydroxyanthraquinone | C14H7ClO4 | 274.65598 | | |
| 43 | 81-54-5 | 2-Ethylanthraquinone,>98% | C16H12O2 | 236.26528 | | |
| 44 | 81-54-9 | 1,2,4-trihydroxyanthraquinone | C14H8O5 | 256.21 | 253-256 °C(lit.) | 6.405mg/L(25 ºC) |
| 45 | 81-55-0 | 1,8-Dihydroxy-4,5-dinitroanthraquinone | C14H6N2O8 | 330.21 | 225 °C (dec.) (lit.) | |
| 46 | 81-56-1 | 1,5-diamino-2,4,6,8-tetrabromoanthraquinone | C14H6Br4N2O2 | 553.82564 | | |
| 47 | 81-57-2 | 9,10-Anthracenedione, 1-amino-4,5-dichloro- | C14H7Cl2NO2 | 292.11688 | | |
| 48 | 81-58-3 | 1,4,5,8-Tetrachloroanthraquinone | C14H4Cl4O2 | 345.99 | 342°C(lit.) | |
| 49 | 81-59-4 | 2,3-dihydro-1,4,5,8-tetrahydroxyanthraquinone | C14H10O6 | 274.2256 | | |
| 50 | 81-60-7 | 1,4,5,8-Tetrahydroxyanthraquinone | C14H8O6 | 272.21 | >274.85°C | |
| 51 | 81-61-8 | 1,2,5,8-tetrahydroxyanthraquinone | C14H8O6 | 272.21 | ≥300 °C | 2.586mg/L(25 ºC) |
| 52 | 81-62-9 | 1-Amino-4-bromo anthraquinone | C14H8BrNO2 | 302.12 | | |
| 53 | 81-63-0 | 1,4-Diamino-2,3-dihydroanthraquinone | C14H12N2O2 | 240.26 | >190°C (dec.) | |
| 54 | 81-64-1 | 1,4-Dihydroxyanthraquinone | C14H8O4 | 240.21 | 195-200 °C | <1 g/L (20 ºC) |
| 55 | 81-65-2 | 1-Hydroxy-4-Nitroanthraquinone | C14H7NO5 | 269.21 | | |
| 56 | 81-67-4 | 1,2-METHYLENEDIOXY-11-HYDROXYAPORPHIN | C18H17NO3 | 295.33 | 208-212° | |
| 57 | 81-68-5 | N-(4-amino-9,10-dihydro-3-methoxy-9,10-dioxo-1-anthryl)-4-methylbenzenesulphonamide | C22H18N2O5S | 422.45 | | 3.26mg/L at 20℃ |
| 58 | 81-69-6 | 1-amino-4-(4-amino-3-sulphoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid | C20H15N3O8S2 | 489.48 | | |
| 59 | 81-7-2 | Saccharin | C7H5NO3S | 183 | | |
| 60 | 81-70-9 | 1-hydroxy-2,4-bis(phenylamino)anthraquinone | C26H18N2O3 | 406.43272 | | |
| 61 | 81-71-0 | 4,4'-(2-chlorobenzylidene)di-2,5-xylidine | C23H25ClN2 | 364.91 | | |
| 62 | 81-73-2 | 6-aminonaphth[2,3-c]acridine-5,8,14(13H)-trione | C21H12N2O3 | 340.33158 | | |
| 63 | 81-77-6 | 6,15-dihydroanthrazine-5,9,14,18-tetrone | C28H14N2O4 | 442.42 | 470-500°C | <0.1 g/100 mL at 21 ºC |
| 64 | 81-78-7 | 2,2'-[(9,10-dihydro-9,10-dioxo-1,5-anthrylene)diimino]bisbenzoic acid | C28H18N2O6 | 478.45232 | | |
| 65 | 81-81-2 | warfarin | C19H16O4 | 308.33 | 162-164°C(lit.) | Practically insoluble |
| 66 | 81-82-3 | COUMACHLOR | C19H15ClO4 | 342.77 | 168-170 °C (lit.) | |
| 67 | 81-83-4 | 1,8-Naphthalimide | C12H7NO2 | 197.19 | 299-300°C(lit.) | Insoluble in water. |
| 68 | 81-84-5 | 1,8-Naphthalic anhydride | C12H6O3 | 198.17 | 269 °C | decomposes |
| 69 | 81-85-6 | 6-bromo-3-methyl-3H-dibenz[f,ij]isoquinoline-2,7-dione | C17H10BrNO2 | 340.17 | | |
| 70 | 81-86-7 | 4-Bromo-1,8-Naphthalic Anhydride | C12H5BrO3 | 277.07 | 217-219 °C (lit.) | |
| 71 | 81-88-9 | Rhodamine B | C28H31ClN2O3 | 479.01 | 210-211℃ (dec.) | SOLUBLE |
| 72 | 81-90-3 | Phenolphthalin | C20H16O4 | 320.34 | 235℃ | 175mg/L(20 ºC) |
| 73 | 81-92-5 | Phenolphthalol | C20H18O3 | 306.36 | 204℃ | |
| 74 | 81-93-6 | Phenosafranin | C18H15ClN4 | 322.79 | 300 °C | |
| 75 | 81-94-7 | 1-[(7H-benz[de]anthracen-3-yl-7-oxo)amino]anthraquinone | C31H17NO3 | 451.47 | | |
| 76 | 81-95-8 | 3,3'-thiobis[7H-benz[de]anthracen-7-one] | C34H18O2S | 490.57 | | |
| 77 | 81-96-9 | 3-bromobenz(d,e)anthracen-7-one | C17H9BrO | 309.16 | 164-166°C | |
| 78 | 81-98-1 | 3,9-Dibromobenzanthrone | C17H8Br2O | 388.05 | 255~256℃ | |