dye|World dye variety

Name:C.I.Direct Orange 36,C.I.40230

Molecular Structure: Stilbenes

C.I.Direct Orange 36,C.I.40230,CAS 12222-37-6,Pyramine Orange RF

Molecular Formula:

Molecular Weight:

CAS Registry Number:12222-37-6

Manufacturing Methods : Under reflux in an aqueous solution of sodium hydroxide with (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid diazotization of 4-Aminobenzenesulfonic acid and 2,5-Dimethylbenzenamine coupling product is heated.

Properties and Applications: yellow orange. Soluble in water for orange, slightly soluble in ethanol for palm, soluble in acetone tan. The strong sulfuric acid for brown in the purple, yellow light brown after diluted precipitation. The dye solution to join strong hydrochloric acid for yellow brown; Add thick sodium hydroxide solution for orange. Used for cellulose fiber dyeing, good levelness.

List of Suppliers:

Pyramine Orange RF( IG Farbenindustrie AG )