Acid Yellow 42(TDS)

Application and parameters of Acid Yellow 42

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Acid Yellow 42

Acid Milling Yellow R
Vicoacid Yellow 42
Weak Acid Yellow C-R
Weak Acid Yellow R
Weak Acid Yellow MR
Acid Yellow N-CRS
Acid Yellow R
Acid Yellow MR
Aminyl Yellow F-MR
Apollo Nylon Fast Yellow M-R
Doracid Yellow R
Durapel Yellow R
Evron Yellow R
Dycroacid Milling Yellow MG
Dycroacid Yellow FG
Orco Milling Yellow RS
Rybacid Yelow 2R
Sandolan Milling Yellow N-SH
Selmacid Yellow N-2R
Suminol Milling Yellow MR

CAS NO: 6375-55-9

CI.NO: 22910

Molecular Formula: C32H24N8Na2O8S2
Molecular Weight: 758.69
Shade: yellow to red light yellow

Acid Yellow 42 Physical and Chemical properties

Standard Fiber Soaping Persperation Fastness Oxygen bleaching Light
Fading Stain
AATCC Wool 4-5 4-5 4-5 1 4
ISO Wool 4-5 5 4-5 4 4-5
Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow.
Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow.
In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. 

Acid Yellow 42 Application:

Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.


20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye

Acid Yellow 42 Material Safety Data Sheet (MSDS)

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