Products Description
Introduction and application of CAS：157577-99-6| Acid Black 234
Weakly acidic black NB-G is mainly used for wool, silk, cotton, viscose dyeing, and can also be used for leather dyeing. The production method uses 4,4'-diaminobenzenesulfonylanilide, H acid, aniline and m-phenylenediamine as raw materials. First, 4,4'-diaminobenzenesulfonylanilide and aniline are diazotized respectively, and then they are separately mixed with H acid coupling, and finally coupling with m-phenylenediamine to obtain the product. After salting out, filtering, drying and crushing, the finished product is obtained.
Specification of CAS：157577-99-6| Acid Black 234
Package of CAS：157577-99-6| Acid Black 234
25kg/drum
This product is valid for 24 months from the production date when stored in a warm sealed state.
Safety and Transportation
This product should be stored and sealed at room temperature. Customers should carefully read the product treatment, material safety data sheet (MSDS), and labels before use, be familiar with the product's safety information, operating instructions, and environmental impact, and wear appropriate personal protection as required. supplies.
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