Naphthol AS-E

Items: Naphthol AS-E

C.I. 37510

CAS: 92-78-4

Chemical Formula：C17H12ClNO2

Appearance: Light  beige  powder

Color shade(with standard):similar

Strength:100±3%

Purity:≥98%

Melting point:≥255℃

Insoluble in Alkali:≤1%

BON acid content:≤1%

Reidue on 60 Msieve(or 80 Masrequest):≤5%

Usage: This product is mainly used as organic pigment intermediate.It can produce pigment red 8, 30, pigment violet 43. This product can also be used for dyeing cotton fabric, viscose and silk, and it is generally not used for printing. This product has high affinity to cotton, and the coupling ability is moderate.