HG/T 3404-1999
Acid Black 8GB (English Version)

Standard No.
HG/T 3404-1999
Language
Chinese, Available in English version
Release Date
1999
Published By
Professional Standard - Chemical Industry
Status
 2010-06
Replace By
HG/T 3404-2009
Latest
HG/T 3404-2016
Scope
This standard specifies the requirements, sampling, test methods, inspection rules and marking, labeling, packaging, transportation and storage requirements for acid black 8GB. This standard is applicable to diazotization of a molecule of p-nitroaniline, coupling with a molecule of 1-amino-8-naphthol-3,6-disulfonic acid (II acid) in an acidic medium, and then coupling with a molecule of aniline. Acid black 8GB is produced by secondary coupling of diazo compounds in alkaline medium. Acid black 8GB is mainly used for dyeing silk and wool textiles.

HG/T 3404-1999 history

Acid Black 8GB



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