Name:C.I.Reactive Brown 9
Molecular Structure: Single azo,Metal Complexes
Molecular Weight: 824.13
CAS Registry Number:12225-66-0
Manufacturing Methods : 2-Aminobenzoic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then chromium complexation; 2,4,6-Trichloro-1,3,5-triazine and 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, triethylorthoformate condensation, again with complex product condensation, and salting-out.
Properties and Applications: Claret . Palm black powder. The strong sulfuric acid for black purple, diluted into purple, accompanied by precipitation; Nitric acid in the red for sauce, diluted for sauce is still red. The dye water solution is red sauce, add 1 Moore sodium hydroxide is still red sauce, continue to join insurance powder by shallow warm red to colorless; Add a boric acid sodium can’t restore the original colour and lustre. Can be used for cotton, viscose and various methods of silk dyeing and printing directly.
|Light Fastness||Oxygen bleaching||Persperation Fastness||Soaping|
List of Suppliers:
Crimson K-RB,Reactive Red Brown K-B3R,Reactive Red Brown KM-B3R
Indofix Red Brown H4RI ( Indo Colchem Ltd )
Kemaion Red Brown H4R( Karsandas Mavji )
KPZol Cion Brown P-5BR ( Kaseihin Kogyo Kyokai )
Meactive Red Brown H4R( Astik Dyestuff Pvt Ltd )
Procion Red Brown H-4R( Imperial Chemical Industries )
Reactron Red Brown H4R(Amar Dye Chem Ltd)