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Solvent Black 7

General Description

  • Product name: Solvent Black 7
    Other name: Nigrosine Oil Soluble, Nigrosine Base
    C.I. NO.: 50415:1
    CAS NO.: 8005-02-5
    Solvent black 7 is insoluble in water, slightly soluble in alcohol, benzene and methyl benzene, easily soluble in oleic acid, formic acid and acetic acid. Blue in dense sulphuric acid and blue precipitate after dilution, blue black in dense nitric acid and acid-proof, alkali-proof, good color fastness to light.

Color Sample


Related Brands

  • (CLASSIC)Atlasol Spirit Nigrosine B,
    (PYLAM)Atlasol Spirit Nigrosine B Base,
    (KEYSTONE)Keyplast Nigrosine R
    (BAYER)Nigrosine Base BA
    (PCC)(DSI)Nigrosine Base
    (MV)Nigrosine Base BLN
    (KKK)Orient Nigrosine Base
    (STANDARD)Permalex Black W-AP
    (ROSE)Rosaplast Nigrosine Base
    (DVI)(SHARDA)Waxol Black OP

Solvent Black 7 Applications

Solvent Black 7 is recommended for bakelite powder, bakelite cloth rubber, plastic and leather, raw material of leather shoes oil, carbon paper and insulating paint resin coloring, plastic coloring (temp. over 280C of Nylon, ABS etc), leather and fur coloring, printing ink, stationery (especially ball-pen ink), positive charge control agent in electrostatic printing powder etc..

Typical Physical Properties

Specification Value
Appearance Black powder
Tinting Strength, % 98 min.
Particle Size, over 200 mashes/inch 0.08 max.
Moisture, % 3.0 max.
pH Value 7.5-8.5
Ash Content, % 2.0 max.
Free Aniline, % 1.0 max.

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