Άμεσο κόκκινο 23

Άμεσο κόκκινο 23

Άμεσο κόκκινο 23 is a kind of direct dyes. Direct dyes are dyes that can be heated and boiled in neutral and weak bond phase media without the help of mordants. According to their application, they mainly include ordinary direct dyes, Direct light fast dyes and direct azo dyes. Milestone Industrial Co. Ltd. specializes in the production of direct dyes. Άμεσο κόκκινο 23 has 200%, 150% and 100% strength. Product specifications and packaging can be customized. Samples and samples can be provided to provide you with the most professional pre-sales and after-sales. service.

Άλλα ονόματα προϊόντων:Scarlet 4BS; Άμεσο Scarlet 4BS

Αριθμός CAS: 3441-14-3

Μοριακός τύπος:C35H27N7O10S2

Μοριακό βάρος:769.7598

Αριθμός EINECS:222-348-4

Άμεσο κόκκινο 23 chemical properties:

• Άμεσο κόκκινο 23 is purple-red powder.
• Άμεσο κόκκινο 23 is moderately water-soluble and bright red when soluble in water. Its aqueous solution adds dilute sulfuric acid to turn light blue. Adding concentrated hydrochloric acid produces a wine-red precipitate. Adding concentrated alkali turns red to orange brown.
• Άμεσο κόκκινο 23 is slightly soluble in ethanol and orange in color, but insoluble in acetone.
• Άμεσο κόκκινο 23 is bright red to magenta in concentrated Chemicalbook sulfuric acid, and turns brownish orange after dilution;
• Άμεσο κόκκινο 23 produces orange-yellow precipitation in concentrated nitric acid; it is insoluble in concentrated lye; it is bright red when dissolved in concentrated ammonia.
• Άμεσο κόκκινο 23 will darken when it meets copper ions, but will not change when it meets iron ions.

The purpose of Άμεσο κόκκινο 23:

• Άμεσο κόκκινο 23 can be used for dyeing and printing of cotton and viscose fabrics, but it is mostly used for viscose fabrics. Cotton fabrics are rarely used, and are yellowish red. Good dye uptake, poor dye migration and sensitivity to salt. After dyeing, the wet fastness is still unsatisfactory after treatment with fixing agent Y.
• Μπορεί να χρησιμοποιηθεί μόνο για τη βαφή κόκκινο ερυθρό και Akane Chemicalbook κόκκινο, ή μπορεί να χρησιμοποιηθεί για βαφή κίτρινο, πορτοκαλί, κόκκινο, καφέ και άλλα χρώματα.
• Μπορεί να χρησιμοποιηθεί για τη βαφή μεταξιού, μαλλιού, λινού και άλλων υφασμάτων και μεταξωτών υφασμάτων.