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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-KB

Clicks：1978Times

Items: Naphthol AS-KB
C.I. 37526
CAS: 135-63-7
Chemical Formula：C18H14ClNO2

Appearance: Light  beige  powder

Color shade(with standard):similar

Strength:100±3%
Purity:≥98%
Melting point:≥240℃
Insoluble in Alkali:≤0.5%
BON acid content:≤0.2%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Use: This product is mainly used as organic pigment intermediate.It can produce organic red 11, 147, 162. This product can also be used for the dyeing of cotton, viscose and silk, is generally not used for printing. This product has low affinity to cotton, the best dyeing temperature is 30 DEG C, the infection temperature is 90 DEG C.