Naphthol AS-BO CAS 132-68-3 is a kind of yellow powder, soluble in acetic acid, insoluble in water and soda solution. Naphthol AS-BO is mainly used for cotton fiber dyeing and cotton printing primer, but also for vinylon, viscose fiber, silk, nylon dyeing.
Specification
Appearance: yellow powder
Assay: ≥99%
Color light: Near to standard substance
Intensity, molecule: 100±5 of standard substance
Melting point(dry product): 217°C
2.3 acid content: ≤0.1%
Unsoluble substance content in basic liquor: ≤0.15%
Application
1) It is mainly used for printing and dyeing of cotton fabric, and for fast pigment and organic pigment intermediates.
2) for the manufacture of fast pigments and organic pigments
Packing
25kg/bag