English Name:Spirit Nigrosine SBDS(ACI), Nigrosine Black(S.S)(Amar),Xigrosine(ACD)
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.
Nigrosine Alcohol soluble,Alcohol Soluble Nigrosine,Nigrosine Spirit Soluble,Nigrosine Base
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
Stable performance in nonpolar media
Density(g/cm3) | 1.20 |
Melting Point(°C) | 200 |
Light Fastness | 7-8 |
Heat resistance | - |
Acetone | 280 |
Butyl Acetate | 100 |
Methylbenzene | 10.3 |
Dichloromethane | 116.8 |
Ethylalcohol | 35.5 |
Item | Fastness |
Sun | Good |
Stable to（℃） | 150 |
Water resistance | insoluble |
sodium carbonate（5%） | Good |
HCL（5%） | unchanged |
20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye.
Solvent Black 5 is an oil-soluble azo dye designed for coloring hydrophobic materials. It dissolves readily in nonpolar organic solvents, producing a deep, uniform black solution.
Yes. Solvent Black 5 offers good heat resistance, making it suitable for high-temperature plastic processing such as injection molding or extrusion without significant color degradation.
Its lightfastness ensures that the black color remains stable under moderate UV exposure. For extended outdoor durability, UV stabilizers or protective coatings are recommended.
It can be blended with other solvent dyes to achieve specific shades or with pigments for opacity adjustments, depending on the end-use requirements.
It is widely used in plastics manufacturing, synthetic fiber dyeing, printing inks, leather finishing, and specialized coatings due to its color strength and solubility profile.
