dye|World dye variety

Name:C.I.Direct Orange 60,C.I.40215

Molecular Structure: Stilbenes

C.I.Direct Orange 60,C.I.40215,CAS 12222-37-6

Molecular Formula:

Molecular Weight:

CAS Registry Number:12222-37-6

Manufacturing Methods :  in reflux conditions, sodium hydroxide solution in  (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with 4-Aminobenzenesulfonic acid sodium diazo with aniline coupled with product heat.

Properties and Applications: red light orange. Red brown powder. Soluble in water for golden brown, solubility of 50 g/L (60 ℃), 60 g/L (97 ℃), slightly soluble in alcohol. In the strong sulfuric acid as dark blue, orange for gold after diluted. Dyes in the aqueous solution of strong hydrochloric acid have Yellow light olive brown precipitation; Strong in sodium hydroxide solution have orange precipitation. Cellulose fiber of dyeing, in 80 ℃ maximum when affinity. Suitable for neutral, weak alkali dyeing. Hard to a little sensitive. In dyeing copper and iron ion colored light basic unchanged. Mainly used in viscose and viscose fabric dyeing and printing, printing and can be directly to white color, knitting fabric and carpet can be used. Can also be used for leather, paper, shading, and disperse dyestuff used for the high temperature dyeing polyester/stick blended fabric.

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