2022 Good Quality Direct Flavin 7gff 500% - Hot Sale Direct Fast Black VSF –
2022 Good Quality Direct Flavin 7gff 500% - Hot Sale Direct Fast Black VSF – Detail:
Synonyms:C.I. Direct Black 22; 2-Naphthalenesulfonic acid, 6-(2-(2,4-diaminophenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3); C.I. 35435; Direct Black 22; trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate
Appearance:Black powder.
Strength:100%
Solubility:The water solubility is good and the aqueous solution is purple black.Add concentrated lye to make it dark blue and red. It is purple black in concentrated sulfuric acid and produces black brown precipitation after dilution; It is a reddish brown solution in concentrated nitric acid and precipitates. When dyeing, the color light changes slightly in case of copper and iron ions.
Application:mainly used for dyeing and printing of cotton, viscose fabrics and wool viscose and brocade viscose blended fabrics. It is also used for dyeing leather and paper.
Quality guarantee period: 24 months.
Packing: 25kgs iron drum.
Storage:Store in a cool and ventilated room and prevent moisture and heat.
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We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for 2022 Good Quality Direct Flavin 7gff 500% - Hot Sale Direct Fast Black VSF – , The product will supply to all over the world, such as: Cambodia, Israel, Costa rica, Strong infrastructure is the need of any organization. We are backed with a robust infrastructural facility that enables us to manufacture, store, quality check and dispatch our products worldwide. To maintain smooth work flow, we have sectioned our infrastructure into a number of departments. All these departments are functional with latest tools, modernized machines and equipment. Owing to which, we are able to accomplish voluminous production without compromising upon the quality.
By Natalie from Italy - 2017.03.28 12:22
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
By Dinah from Philadelphia - 2017.03.28 12:22
