Direct Yellow 29 CAS: 6537-66-2

Direct Yellow 29 CAS: 6537-66-2

DIRECT YELLOW 29 CAS: 6537-66-2 Molecular Formula: C42H24N6Na2O6S6
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Description
Technical Parameters
Direct yellow 29 Quick Details
Name DIRECT YELLOW 29
Synonyms DIRECT YELLOW 29
Triamin Yellow RT.
Amanil fast yellow bx
Solius Light Yellow RT
Sirius Supra Yellow RT
Benzanil supra yellow gx
Atlantic fast yellow ffx
2,2-[Azobis(4,1-phenylene)]bis(6-methyl-2,6-bibenzothiazole-7-sulfonic acid sodium) salt
2,6-Dibenzothiazole-7-sulfonic acid, 2,2-(azodi-4,1-phenylene)bis(6-methyl-, disodium salt
CAS 6537-66-2
EINECS 229-448-7
   

 

Specification
Molecular Formula C42H24N6Na2O6S6
Molar Mass 947.05
Physical and Chemical Properties Chemical properties brown-red powder. Soluble in water, the solubility in water is 30g/L (60 ℃), 48g/L (98 ℃), the aqueous solution is golden yellow, the addition of concentrated hydrochloric acid turns orange red brown, the addition of concentrated sodium hydroxide is golden yellow. Slightly soluble in ethanol, pale in lemon color. It is orange-red-brown in concentrated sulfuric acid, and turns golden yellow after dilution. When dyeing, it changes slightly in the color light of copper and iron ions, has good chlorine resistance stability, and is resistant to the reduction of white powder and alkali sulfide.
Use Use direct yellow 5R can be used to dye cotton, viscose fiber, can also be directly printed and color, but not white. Dyed cotton and viscose fiber were red and yellow, slightly dimmed, with poor migration and dyeing property. Usually with red, brown and other dyes to adjust color light, but not with blue, green, gray and other color. It can be used for high-temperature and same-Bath dyeing with disperse dyes for polyester-viscose blended fabrics.

 

Introduction
P> direct yellow 29 is used for dyeing cotton or viscose with bright red and yellow color, good levelness and transdyeability, good dyeing rate, maximum dyeing temperature is 60 ℃, low temperature, and color depth. It can be printed directly or dyed with the background color. Mainly used for dyeing and printing of viscose silk fabrics. It is used for dyeing silk fabrics to withstand the weight gain treatment of silk, and the color light is not affected. It can also be used for coloring leather, paper and aluminum oxide.  
COMPANY INFORMATION

product-1283-399

 

Hangzhou Reward Technology Co.,Ltd has been specialized in DYESTUFF for many years. Our main products are acid dyes and disperse dyes such as acid blue 25, acid blue 80, disperse blue 359, disperse brown 27 and so on. Those dyes has been exported to America, Europe, Africa and won good comments from customers.

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All kinds of dyes One-stop purchase ,matching more easier .

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Free samples are available.

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Stable high quality, widely accepted in worldwide market .

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Professional service team,R&D and international sales.

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More than 15 years' experience in supplying all kinds of pigments.

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Customize special colors .

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