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NAPHTHOL AS-LC

  • C.I.:37555
  • CAS: 4273-92-1
  • Chemical Name: NAPHTHOL AS-LC
  • Molecular formula: C19H16ClNO4
  • Appearance: Light beige to light gray powder
  • Shade: Approximate
  • Intensity: 100±3%
  • Content: ≥98%
  • Melting point: ≥188℃
  • Alkali-insoluble: ≤0.5%
  • 2,3 acid content: ≤0.4%
  • The sieve residue 60 mesh (or 80 mesh)≤5%
  • Usage: This product is mainly used for organic pigment intermediates, which can produce Pigment Red 146 and 184. This product can also be used for dyeing cotton fabrics, viscose, silk, cotton and polyester. Generally, it is not used for printing, and it is less used for dyeing cotton yarn. This product has high affinity to cotton and medium coupling ability.

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