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Direct Black 17 Dyes

Product info Type: Direct Dyes, Direct Black Dyes Product Name: Direct Black 17, Grey D 100% CAS No.:2945-96-2 EINECS: 219-810-2 Molecular Formula:C24H21N6NAO5S Product Description
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Product Introduction

Product info


Type: Direct Dyes, Direct Black Dyes

Product Name: Direct Black 17, Grey D 100%
CAS No.:2945-96-2
EINECS: 219-810-2
Molecular Formula:C24H21N6NAO5S

Product Description


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Formula

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Chemical Properities

Black powder. Water solubility is general, its aqueous solution is purplish black, adding concentrated hydrochloric acid produces dark brown precipitate, adding concentrated alkali produces gray purple precipitate. When dissolved in ethanol, it is grayish purple. In concentrated sulfuric acid, it is dark blue and green, and produces purple-brown precipitate after dilution.


Application

Mainly used for dyeing cotton, linen, viscose and other fabrics.It is widely used in dyeing cotton and viscose fabrics, as well as in dyeing and printing silk fabricsIt can also be used for vinylon fabric dyeing.


FAQ:1.Where is your factory ?Our factory is located in Hangzhou city Zhejiang province. 2.What certificates do you have?We have OEKO-TEX, BLUESIGN, ZDHC,etc. 3.What is your payment term?Generally for the first cooperation our payment term is 30%T/T IN ADVANCE+70%T/T AFTER B/L COPY.



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