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NAPHTHOL AS-CA

C.I.:37531
CAS:137-52-0
Chemical Name: NAPHTHOL AS-CA
Molecular formula: C₁₈H₁₄ClNO₃
Appearance: Light beige powder
Shade: Approximate
Intensity: 100±3%
Content: ≥98%
Melting point: ≥210℃
Alkali-insoluble: ≤0.5%
2,3 acid content: ≤0.2%
The sieve residue 60 mesh (or 80 mesh)≤5%
Usage: This product is mainly used to produce organic pigment red 269. This product can also be used as a primer for dyeing red. It is mainly used for dyeing cotton fabrics, viscose and nylon. Generally, it is not used for printing cotton yarns and cotton fabrics. It has a high affinity for cotton.