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Acid Black 168

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Name

Acid Black 168

EINECS
CAS No. 12238-87-8 Density
Solubility Melting Point
Formula Unspecified Boiling Point
Molecular Weight 0 Flash Point
Transport Information Appearance BLACK POWDER
Safety Risk Codes
Molecular Structure Molecular Structure of 12238-87-8 (C.I. Acid Black 168) Hazard Symbols
Synonyms

Acid Black BL;Acid Black MZ;Sella Fast Grey BRL;

 

Acid Black 168 Specification

The Acid Black 168, with the cas registry number 12238-87-8, has other names as Sella Fast Grey BRL. This is a kind of black well-distributed powder and its products category are including dye; acidic dye; neutral dye.

The production method of making this chemical is as follows: Firstly, prepare the material of 4-nitro-2-aminophenol, 1-amino-2-hydroxy-4-naphthalenesulfonic acid, 1-acetamido-7-naphthol, 2-naphthol; Secondly, diazotize the 4-nitro-2-aminophenol and 1-amino-2-hydroxy-4-naphthalenesulfonic acid, and then couple with 1-acetamido-7-naphthol and 2-naphthol; Lastly complex with sodium chromium salicyloate, then go through the listing process of filtering and drying to get the products.
 
As to its usage, it is widely applied in many ways. It could be used in dyeing and direct printing of wool, silk, tussah silk, nylon, vinylon fabric, cotton.

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