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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-ITR

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Items: Naphthol AS-ITR
C.I. 37550
CAS: 92-72-8
Chemical Formula: C19H16ClNO4

Appearance: Light grey or green powder

Color shade(with standard):similar
Strength:100±3%
Purity:≥98%
Melting point:≥193℃
Insoluble in Alkali:≤0.5%
BON acid content:≤0.4%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Use: This product is mainly used as organic pigment. It can produce pigment red 5, 132, 133, 187, 199. This product can also be used for dyeing cotton fabric, vinylon, viscose, silk and cotton fabric acetate fiber and printing. It can be used to produce fast pigment. This product has moderate affinity to cotton, and the coupling ability is moderate. This product is bright color, good color fastness.