Acid Blue 193 CAS 12392-64-2
Factory Supply Acid Blue 193 CAS 12392-64-2 with Best Price
- Appearance: Blue powder
- Assay: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: Acid Blue 193 Supplement
Acid Blue 193: The Complete Guide
Index of Acid Blue 193 Contents
Acid Blue 193 for Sale
Basic Info of Acid Blue 193
What is Acid Blue 193?
Dark blue. It is easily soluble in water (red and blue) and ethanol. It is blue in concentrated sulfuric acid, and the precipitation is blue after dilution. The aqueous solution is blue precipitated in the presence of strong hydrochloric acid; Add sodium hydroxide and it will be red and purple. It is used for dyeing and printing of wool and silk, and also for leather dyeing.
Acid Blue 193 Uses
Acid blue 193 is used for dyeing wool, silk, tussah silk, nylon, vinylon and blended fabrics such as viscose/cotton, wool/viscose, etc.
Preparation of Acid Blue 193
Diazo 4-amino-3-hydroxynaphthalene-1-sulfonic acid was coupled with naphthalene-2-alcohol, and then its products (CI mordant black 17, CI 15705) were heated together with chromium formate in aqueous solution and maintained at 130 ℃ for 3 hours to form chromium complex.
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