Кислотный черный 2/нигрозин для

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Product Description

ACID BLACK 2/NIGROSINE MS CONC.

Product Name:	Acid black 2
Synonyms:	C.I. Acid Black 2; Nigrosine; C.I. 50420; Nigrosin water soluble; nigrosin cell culture tested; Nigrosin Acid black; Acid Black 5 (50420); Nigrosin; Nigrosine Water Soluble
CAS RN.:	8005-03-6
EINECS:	Add
Appearance:	black with flash granular
Molecular Formula:	C48H35N9
Water Solubility:	soluble in water, aqueous solution is violet, purplish brown precipitate in sodium hydroxide solution

Usage of Acid Black 2:

1. Mainly used for wool, silk dyeing, also used in leather dyeing (usually by chrome mordant), as well as paper, wood, soap, and electrochemical coloring of aluminum and manufacture of the ink.

2. Aslo used for leather, silk and wool dyeing, also can be made into lake used in color paper and printing

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