OEM/ODM China Direct Red 31 - Manufacturer of Direct Blue 15 –

Synonyms:C.I. 24400; C.I. Direct Blue 15; C.I. Direct Blue 15, tetrasodium salt; C.I. Direct Blue 15 (8CI); Direct Blue 15; Direct sky blue; Direct Turquoise Blue 5B; tetrasodium (3E,3′E)-3,3′-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(1E)hydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate); (3Z)-5-amino-3-({4′-[(2E)-2-(8-amino-1-oxo-3,6-disulfonaphthalen-2(1H)-ylidene)hydrazino]-3,3′-dimethoxybiphenyl-4-yl}hydrazono)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid; tetrasodium 3,3′-[(3,3'-dimethoxybiphenyl-4,4'-diyl)dihydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate); tetrasodium (3Z,3′Z)-3,3′-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(1Z)hydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate); sodium (6E)-4-amino-6-(2-{4′-[(2E)-2-(8-amino-1-oxo-3,6-disulfonaphthalen-2(1H)-ylidene)hydrazinyl]-3,3′-dimethoxybiphenyl-4-yl}hydrazinylidene)-5-oxo-7-sulfo-5,6-dihydronaphthalene-2-sulfonate

Appearance:Blue powder.

Application:It is mainly used for dyeing cellulose fibers such as cotton and viscose. It can also be used for dyeing paper, biology and film. It can also be used for making ink. Direct lake blue 5b is one of the main blue dyes used. It is used in viscose fabric for dyeing and printing.
Quality guarantee period: 24 months.
Packing: 25kgs iron drum.
Storage:Store in a cool and ventilated room and prevent moisture and heat.