Acid red 6 (C.I. 14680)
Acid Red 6
CAS: 6245-59-6
Molecular Formula: C26H22N3NaO5S
Acid red 6 (C.I. 14680) - Names and Identifiers
| Name | Acid Red 6 |
| Synonyms | Acid Red 6 Supramin Red B. C.I. Acid Red 6 Naphthazine Red B Suminol Fast Red B Acid Brilliant Red E-B Acid red 6 (C.I. 14680) Aminyl Brilliant Red E-B Sodium 3-((4-(benzoylethylamino)-2-methylphenyl)azo)-4-hydroxynaphthalene-1-sulphonate 1-Naphthalenesulfonic acid, 3-4-(benzoylethylamino)-2-methylphenylazo-4-hydroxy-, monosodium salt 1-Naphthalenesulfonic acid, 3-((4-(benzoylethylamino)-2-methylphenyl)azo)-4-hydroxy-, monosodium salt sodium (3E)-3-(2-{2-methyl-4-[(1-oxo-1-phenylpropan-2-yl)amino]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-1-sulfonate |
| CAS | 6245-59-6 |
| EINECS | 228-358-5 |
| InChI | InChI=1/C26H23N3O5S.Na/c1-16-14-19(27-17(2)25(30)18-8-4-3-5-9-18)12-13-22(16)28-29-23-15-24(35(32,33)34)20-10-6-7-11-21(20)26(23)31;/h3-15,17,27-28H,1-2H3,(H,32,33,34);/q;+1/p-1/b29-23+ |
Acid red 6 (C.I. 14680) - Physico-chemical Properties
| Molecular Formula | C26H22N3NaO5S |
| Molar Mass | 511.52475 |
| Physical and Chemical Properties | Yellow light red powder. Easily soluble in water, solubility in water (90 ℃) is 80g/L, the aqueous solution is red, add concentrated hydrochloric acid turn red, there is precipitation; Add concentrated sodium hydroxide turn orange. Soluble in ethanol red, slightly soluble in acetone. In concentrated sulfuric acid in cherry red, diluted to red. In concentrated sulfuric acid in the color of the blue lotus, diluted for magenta precipitation. When staining, the color light of copper and iron ions became dark. |
Acid red 6 (C.I. 14680) - Reference Information
| Use | acid brilliant red E-B is suitable for dyeing wool, silk and its blended fabrics, and can also be used in wool, direct printing on silk fabrics. Good levelness. When used for dyeing blended fabrics, wool is dyed, silk is slightly stained, cellulose fiber and acetate fiber are not stained. |
| production method | using 4 '-amino-N-ethylbenzoyl-m-toluidine and NW acid as raw materials, the former is first diazotized, the product was obtained by coupling with the latter. After salting out, filtration, drying, grinding to get the finished product.. |
Last Update：2024-04-09 19:05:13
