Package: 25kg 50kg drum or bag

Uses : intermediate of azo dyes and oxazine dyes

Molecular Structure:

Product description: What is the chemical of Para Amino Azo Benzene ? Appearance: Yellow to light brown, slightly gray or light blue crystals or powders ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; Usage：As an intermediate of azo dyes and oxazine dyes Used for preparing alcohol soluble yellow and pH indicator As an acid-base indicator and nitrite detection reagent Used for coloring polyester fiber pulp