Basic Blue 9 / Methylene Blue / Methylene Blue BB / Methyl Blue

C.I.: 52015 CAS NO. : 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight: 319.858 Strength: 100% Packing: Packed in 25kgs iron drums, plastic bags. Application Instructions: Basic blue 9 is used for silk, wool dyeing, the light fastness is poor; When used as tannin mordant dyeing for cotton dyeing, light fastness is 3; Basic blue 9 or methyl blue, was previously used for the direct printing of cotton, but now, it is rarely used in this way; Other uses including pigment for the paper, bamboo, wood color, for the manufacture of ink and color lake pigments and biological, bacteriological stain; Also used as solvent dyes.

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