Solvent Black 7 Nigrosine Black Dye for Plastic and Ink

• Customization: Available
• CAS No.: 8005-02-5
• Use: Paints, Leather, Paper, Ink
• Model NO.: solvent black 7
• Appearance: Powder
• Type: Black
• Delivery: 15 Days
• Transport Package: 25kg/Bag, Drum, Carton
• Specification: 25kg
• Trademark: EMPEROR
• Origin: China
• HS Code: 32041400
• Production Capacity: 80000mt/Year

Product Description

Product Name: Solvent Black 7
CAS No.: 8005-02-5
Chemical Family: Bisazo sereis    
Molecular Weight: 313.71
Relatived Foreign Brand:
Aizen SOT Black 1;Aizen SOT Black 5;Aquamate Black 20149;Bontron N 07;Chuo CCA 1;Induline Blue Base FR;N 07;Nigrosin N;

Shade: bluish black powder. 

Nigrosine is a dark black pigment (or dye), obtained primarily from aniline. There are three kinds: water-, alcohol- (spirit-), or oil- soluble.
 

Nigrosin	Color Index	CAS RN
Nigrosin water soluble	Acid black 2	8005-03-6
Nigrosin oil soluble	Solvent Black 7	8005-02-5
Nigrosin alcohol soluble	Solvent Black 5	11099-03-9

Nigrosine is used in dying of leather, wood and textiles. It is used in the manufacture of ink, shoe polish cream, carbon paper and toners.. It is also used in compounding resins include phenolic resins, styrenics, polyamides and  urea resins. Nigrosin is acidic. Stain grade is used for negative cell staining. Rather than regular base stains like methylene blue or carbol fuchsin it has a special affinity for ganglion cells. Picric acid, Eosin, Nigrosin Acidic stains include Picric acid, Eosin, Nigrosin. Picronigrosin is a solution of nigrosin and picric acid in alcohol for staining use. Other applications are in cosmetics, indicators  and colour smoke..