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  • Naphthol Series
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  • Bases And Others
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  • Pigments
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  • Dyestuffs
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NAPHTHOL AS-BS

Clicks：1960Times

Items: Naphthol AS-BS
C.I. 37515
CAS: 135-65-9
Chemical Formula：C17H12N2O4

Appearance: Yellow powder

Color shade(with standard):similar

Strength:100±3%
Purity:≥98.5%
Melting point:≥243℃
Insoluble in Alkali:≤0.2%
BON acid content:≤0.15%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Use: This product is mainly used as organic pigment intermediate.It can be used to produce pigment red 18, 23, 31, 114, 212 and can also be used for printing dyeing cotton yarn, cotton fabric, vinylon, viscose and silk and cotton fabric. At the same time it can be used in the manufacture of fast colors, neutral and organic pigments. This product has high affinity to cotton fabric, and the coupling ability is moderate.