|
Product Details:
|
| Product Name: | Direct Black 22 1600% | Appearance: | Black Powder |
|---|---|---|---|
| Colour Index: | DIRECT BLACK GN (C.I.No. 35435) | CAS NO.: | 6473-13-8 |
| Strength: | 100% To Standard | Application: | Dyeing And Printing For Cotton, Viscose, Leather,wool |
| High Light: | VSF Direct Black Dyes Water Soluble,Direct Black Dyes Powder C.1. 35435,CAS 6473-13-8 Direct Black Dye Powder |
||
Direct Dyes Direct Black VSF 22 C.1. 35435 CAS NO. 6473-13-8 1600 & 2200
Product Name: Direct black 22 , Direct black VSF, Direct black GN (C.I.No. 35435)
Molecular formula: C44H32N13Na3O11S3
CAS No.: 6473-13-8
Application: Direct black 22 is widely used in dyeing and printing of cotton and viscose fabrics, as well as dyeing of leather, wood, paper, chemical fertilizer, seeds, firecracker paper, willow weaving, etc.
Specification:
| Item | Specification |
| Appearance | Black dye powder |
| Physical propertie | Solid powder |
| Application | Use in textile industry |
| Solubility in water | Soluble in water |
| Strength | 100% to standard strength |
Storage: It shall be stored in a cool, dry and ventilated place to prevent moisture and heat.
Chemical property:
Grey blue powder. The water solubility is good, the aqueous solution is purple black, and brown black precipitates are produced by adding concentrated hydrochloric acid; Add concentrated lye to make it dark blue and red. It is purple black in concentrated sulfuric acid and produces black brown precipitate after dilution; It is a reddish brown solution in concentrated nitric acid with precipitation. When dyeing, the color light changes slightly when encountering copper and iron ions.
We also have good cooperations with Chinese and Indian factories for Vat dyes, Disperse dyes, Sulphur dyes and Indigo powder etc. If you have demand for any type of dyes, let us help you to find the right quality product. Please feel free to send us email: emily.jiang@zhanjiuindustry.com. Thanks!
Contact Person: Ms. Emily
Tel: +86 13816701879
