Basic blue 9, Methylene Blue 2B

Basic blue 9 Basic turquoise BB, Methylene Blue 2B, Duasyn Basic Blue BB, C.I.Basic Blue 9(52015) Other Names Methylene blue 2B Index No.: C.I.Basic Blue 9(52015) MF:C16H18CLN3S CAS No.: 61-73-4 EINECS No.:200-515-2 Uses: This dye is mainly used in dyeing silk, wool, acrylic fibre, cotton, it also can be used in making ink and color lake ,and biological, bacteriological and other aspects of the organization staining. it can be with basic violet 5BN and yellow dextrin make a propotion to 78:13:9 fixed into Alkaline velvet .