| Customization: | Available |
|---|---|
| CAS No.: | 12677-16-6 |
| Formula: | C28h23cln6na2o9s2 |
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Factory direct sell Reactive Dyes Reactive Blue 74 For textile use
C.I.Reactive Blue 74,C.I.621521,CAS 12677-16-6,733.08,C28H23ClN6Na2O9S2, Reactive brilliant Blue K-4R,Reactive Blue K-3R,Reactive brilliant Blue K-3R
Molecular Formula:C28H23ClN6Na2O9S2
Molecular Weight: 733.08
CAS Registry Number:12677-16-6
Manufacturing Methods : 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 3,5-Diamino-2,4,6-trimethylbenzenesulfonic acid condensation, and 2,4,6-Trichloro-1,3,5-triazine condensation, then ethoxylated.
Properties and Applications: bright blue. Dark blue powder, the strong sulfuric acid for blue-black, diluted into dark blue; In nitric acid in by the blue to brown, diluted into a tan. Water solution is red light blue, with 1 Moore sodium hydroxide is still bright blue, continue to add insurance powder and warm, turn golden brown; Add a boric acid sodium to buff. 20 ºC in the solubility of 100 g/L; 50 ºC when solubility of 140 g/L. Colored light blue, in dye bath of iron ion in slightly turned dark; In light of copper (basically unchanged. The reactive dyes medium, promote sex differences, neutral and alkaline white are poor (1 ~ 2 grade). Suitable for cotton or viscose disseminated, roll the dye, Padding and continuous dyeing dyeing and direct, the dye printing.
| Standard(cellulose) | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO |
6-7 | 4-5 | 4-5 | ||||
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