Disperse Blue 14 CAS #2475-44-7

Disperse blue 14 is also known as transparent blue GP. Its chemical name is 1,4-bis(methylamino)anthraquinone. It is a blue-black powder, insoluble in water, soluble in methanol, ethanol, glacial acetic acid, nitrobenzene, pyridine and toluene. It is reddish brown in concentrated sulfuric acid.
Disperse Blue 14 is an important organic dye for the dyeing of polyester, vinegar and polyamide fibres and for transfer printing. It is also suitable for the manufacture of firework colouring components. It can also be used for surface colouring and plastics etc.
1,4-Bis(methylamino)anthraquinone can be useful in freshwater production by solar desalination of seawater using two-ply dye modified membrane system. Disperse Blue 14 [1,4-bis(methylamino) anthracene-9,10-dione] has been used in dye formulations to make violet smokes and fireworks in addition to color fabrics and lubricants。