| CAS No.: | 16823-51-1 |
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| Colour: | Blue |
| Appearance: | Powder |
| Usage: | Leather, Ink |
| Application Material: | Leather |
| Transport Package: | Bag |
| Samples: |
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| Customization: |
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Audited Supplier Factory whoesale Reactive Dyes Reactive Blue 5 For textile use
C.I.Reactive Blue 5,C.I..61205:l,CAS 16823-51-1/23422-12-0,840.11,C29H17ClN7Na3O11S3,Reactive brilliant Blue K-RL,Reactive Blue K-GRS,Reactive brilliant Blue K-GR
Molecular Formula:C29H17ClN7Na3O11S3
Molecular Weight: 840.11
CAS Registry Number:16823-51-1/23422-12-0
Manufacturing Methods : 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4-Diaminobenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazinecondensation, and finally between 3-Aminobenzenesulfonic acidcondensation, and salting-out.
Properties and Applications: bright blue. Dark blue powder, the strong sulfuric acid for blue purple, diluted into blue; In nitric acid for yellowbrown, diluted becomes shallow brown. Dyes red GuangYan water solution is blue, with 1 Moore sodium hydroxide solution for bright blue, continue to join insurance powder and warm, to orange brown, before joining a boric acid sodium is still orange brown. Used for cotton, viscose, wool, silk, polyamide fiber dyeing and printing, and can also spread dye with bath dyeing polyester/cotton blended fabric.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 5-6 | 5 | 5 | 5 | 5 | 4-5 | 5 |
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