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Naphthol ASBS (CAS No. 135-65-9)
We manufacture naphthol ASBS 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 AS-BS
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. |
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