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Dyestuff Direct Red 80

Dyestuff Direct Red 80 used for colourful red light. In dye in bath of copper, iron ions are slight change color. SDC classification for a class B. Not suitable for the SiMian cover, cotton white for 3-4 neutral level, alkaline white is 3 classes, viscose neutral and alkaline white are level 2. More used to viscose fabric dyeing, a small amount used in printing, also used for silk, wool fabric dyeing and printing, and disperse dyestuff polyester/cotton with bath dyeing blended fabric. Dyestuff Direct Red 80 can also be used for leather, paper color.
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Product Introduction

Dyestuff Direct Red 80  Product info


Type: Direct Dyes, Direct Red Dyes
Product Name: Direct Red 80, Fast Red F3B 150%
CAS No.: 2610-10-8
EINECS:  220-027-3
Molecular Formula: C45H26N10Na6O21S6


Dyestuff Direct Red 80  Product Description


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Dyestuff Direct Red 80  Formula 

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Manufacturing Methods 

  (a) 3,4′-Disulfo-4-aininoazobenzene diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis acetyl amino and light gasification; (b) 3,4′-Disulfo-4-aininoazobenzene (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.


Chemical Properties 

Bright blue light pink to red colourful blue-ray. Purple powder. Dyestuff Direct Red 80 can soluble in water for blue-ray red to product red, soluble in ethanol, soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid dyes for blue, diluted and red to blue light for purple; In the nitric acid to blue. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution into a red light purple. 60 ℃ in the solubility of 30 g/L, 97 ℃ in the solubility of 50 g/L. Hard to not sensitive. 


Applications

Dyestuff Direct Red 80 used for colourful red light. In dye in bath of copper, iron ions are slight change color. SDC classification for a class B. Not suitable for the SiMian cover, cotton white for 3-4 neutral level, alkaline white is 3 classes, viscose neutral and alkaline white are level 2. More used to viscose fabric dyeing, a small amount used in printing, also used for silk, wool fabric dyeing and printing, and disperse dyestuff polyester/cotton with bath dyeing blended fabric. Dyestuff Direct Red 80 can also be used for leather, paper color.


FAQ

1.Could you indicate please approximatively your yearly capacity in terms of volume of production ?

We have two big factories in China,so you won't worry about our capacity.For only Disperse Dyes,our yearly capacity can reach 35000 tons.

2.Are you a trade company or a manufacturer?

We are a munufacturer with more than 15 years’ experience.And we have two big factories in China.

3.What certificates do you have?

We have OEKO-TEX,BLUESIGN, ZDHC,etc.



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