Factory Supply Acid Yellow 42 for Fabric Leather Dyeing with Competitive Price

C.I.: Acid Yellow 42                                                 C.I.: 22910

CAS: 6375-55-9/25000-77-5                                  EC: 228-940-9

Chemical Formula: C32H24N8Na2O8S2              Molecular Weight: 758.69

Chemical Structure: Azo

Relative name: Weak Acid Yellow C-R,Weak Acid Yellow R,Weak Acid Yellow MR,Acid Yellow N-CRS,Acid Yellow R;Acid Milling 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;Vicoacid Yellow 42;

Properties:
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.

Applications:
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.