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Contact Supplier| C.I.Name | Acid Red 18 |
|---|---|
| C.I.No | 16255 |
| C.A.S.No. | 2611 - 82 - 7 |
| Chemical Class | Monoazo |
| Chemical Name | 7 - hydroxy -8 -[(4- sulpho - naphthalene - 1) azo] - 1, 3 - naphthalene disulphonic acid, trisodium. |
| Molecular Formula | C 20 H 11 N 2 O 10 S 3 Na 3 |
| Solubility | Soluble in water with red color. Turns red on addition of conc H2SO4 with violet color on dilution turn reddish orange . Yellow solution with conc HNO3. |