Reactive Red Brown K-B3r Usage And Synthesis

Preparation

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.

Reactive Red Brown K-B3r(12225-66-0)Related Product Information

• Reactive Brown 23
• Reactive brown 45
• C.I. Reactive brown 44
• REACTIVEBROWN47
• Reactive Brown 46
• REACTIVE BROWN 7
• Reactive Brown 35
• hexasodium 4-amino-3,6-bis[[4-[[4-chloro-6-[(3-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphonatophenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
• C.I.Reactive Brown 8
• DEEP RED
• Reactive Red Brown K-4R
• Reactive Red Brown P-B3R
• Reactive Red Brown K-B2R