Nigrosine (C.I. 50420) (Acid Black 2) CAS:8005-03-6

Nigrosine, also known as CI 50420 or Acid Black 2, is a synthetic black dye. It is commonly used in the textile industry to dye fibers, fabrics, and leather. Nigrosine dyes are also utilized in laboratory applications as a staining agent for biological specimens and in histology for tissue staining. These dyes are known for their deep black color and are widely used for various coloring purposes.

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Application and Effect

Textile industry: Nigrosine is used for dyeing fibers and fabrics, especially to achieve deep black colors.

Ink and toner manufacturing: It is used as a colorant in inkjet and laser printer inks, as well as in certain types of toner for photocopiers and laser printers.

Biological staining: In laboratory settings, nigrosine is used as a staining agent for biological specimens and in histology for tissue staining.

Leather coloring: Nigrosine is used in the leather industry for dyeing and coloring leather products.

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Additional Information:

Composition	N.A.
Assay	99%
Appearance	Black crystal
CAS No.	8005-03-6
Packing	Small and bulk
Shelf Life	2 years
Storage	Store in cool and dry area
Certification	ISO.