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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.

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