Naphthol AS-PH CAS 92-74-0 is a kind of light yellow powder, can soluble in caustic soda solution. Naphthol AS-PH is mainly used for dyeing cotton, used alone or in combination with red base KB, RL AL with dyed bright yellow light red or red salt. If you’re interested in it,please contact sales17@tnjchem.com.
Specification
Appearance: Beige powder
Assay: ≥99%
Color light: Near to standard substance
Intensity, molecule: 100±3 of standard substance
Melting point(dry product): 157°C
2.3 acid content: ≤0.09%
Unsoluble substance content in basic liquor: ≤0.13%
Application
1)Naphthol AS-PH is mainly used for dyeing cotton, used alone or in combination with red base KB, RL AL with dyed bright yellow light red or red salt.
2)Naphthol AS-PH is also used for whalen, viscose fiber, silk, polyamide fiber, diacetate fiber dyeing, is generally not used for printing.Packing
25kg/bag
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