Reactive Brown 9(CAS:12225-66-0)

Reactive Brown 9

Name:C.I.Reactive Brown 9

Molecular Structure: Single azo,Metal Complexes

C.I.Reactive Brown 9

Crimson K-RB,Reactive Red Brown K-B3R,Reactive Red Brown KM-B3R

Molecular Formula:C₂₈H₂₀ClN₇Na₂O₁₂S₃

Molecular Weight: 824.13

CAS Registry Number:12225-66-0

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.