Solvent black 5

insoluble in water, soluble in ethanol, blue black, also soluble in oleic acid and stearic acid. Blue to blue black in concentrated sulfuric acid, black precipitate after dilution; blue to blue black in concentrated nitric acid. The dye is a multicomponent mixture.

Preparation method: commonly known as alcohol soluble aniline black (a) nitrobenzene, aniline and aniline hydrochloride are heated with iron or copper L ~ 200t; (b) nitrophenol or nitrocresol, aniline Old acid salt and a small amount of iron are heated at 18or-200t

English Name:

Spirit Nigrosine SBDS(ACI)

Nigrosine Black(S.S)(Amar)

Xigrosine(ACD)

Mainly used in coloring of leather shoes oil, carbon paper, plastics, making spirit wood statins, black marking inks and spirit finishes for leather, and printing inks. It is also used in U/F stoving lacquers.

It is used for coloring rubber, high-grade insulating bakelite, carbon paper, alcohol soluble varnish, nitrocellulose varnish, marking ink, wood and so on.