Solvent Black 7(TDS)

Application and parameters of Solvent Black 7

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Solvent Black 7

Oil Soluble Nigrosine
Nigrosin N
Aizen SOT Black 1
Aizen SOT Black 5
Aquamate Black 20149
Bontron N 07
Chuo CCA 1
Induline Blue Base FR
N 07

CAS NO: 8005-02-5

Chemical Family: Bisazo sereis
Molecular Weight: 313.71
Shade: bluish black powder.

Solvent Black 7 Physical and Chemical properties



Melting Point(°C)


Light Fastness


PH Value


Strength %


Moisture %

3.0 max

Ash Content %

2.0 max

Iron %

0.5 max

Particle Size(200m) %


insoluble in water, soluble in ethanol, blue light black, soluble in benzene and toluene, soluble in oleic acid and stearic acid. It is blue to blue black in concentrated sulfuric acid, blue black precipitate after dilution, and blue to blue black in concentrated nitric acid. The dye is a multicomponent mixture.






melting point(℃)


Stable to(℃)


Water resistance


sodium carbonate(5%)




Preparation method: the preparation methods of different compounds are as follows: (a) nitrobenzene, aniline and aniline hydrochloride are heated with iron or copper at 180t-200t to make free alkali; (b) nitrophenol or nitrocresol, aniline and aniline hydrochloride are heated with a small amount of iron at 180t-200x to make free alkali.

Reference:C.LSolvent Black 5,

English Name:

ABCOL Nigrosine Z1630(ACI)

Aizen SOT Black-l(HCC)

Aizen SOT Black-8(HCC)

Akasol Nigrosine SSV(ACD)

Atlasol Spirit Nigrosine B(ATL)

Atlasol Spirit Nigrosine B Base(ATL)

Azo Oil Black CB(PYL)

Calco Nigrosine Base(PYL)

Calco Nigrosine Base Z 1630(PYL)

Calco Oil Black 1000(PYL)

Calco Oil Black 8603(PYL)

Calco Oil Black F-4160(PYL)

Calco Oil Black F-4I6OB(PYL)

Classic Solvent Black 7(CD)

Solvent Black 7 Application:

Mainly used for coloring different kinds of plastics, such as PS, HIPS, ABS, PC, PVC, PMMA, SAN, AS, ETC, can also used in oil base coating, wax coating.

It is mainly used for coloring high-grade insulating wood, carbon paper, leather shoe oil, rubber, plastic and ink. Same chemical structure as C.1. Solvent Black 5


20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye

Solvent Black 7 Material Safety Data Sheet (MSDS)

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