Naphthol ASBS Dye Intermediates (CAS No. 135-65-9)

We manufacture Naphthol ASBS Dye Intermediates by reacting napthalene with sulphuric acid and hydrolyzing the sulphate ester by heating with sodium hydroxide solution. This  is used in chemical analysis to detect the ferric ion.

Naphthol ASBS Dye Intermediates

Naphthol AS-BS CAS No. 135-65-9 Molecular formula : C17H12N2O4 purposes : mainly used for cotton fabric dyeing and printing of bottoming agent, general and naphthol AS and others with markedly red, red rose color.