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NAPHTHOL AS-D

  • C.I.:37520
  • CAS:135-61-5
  • Chemical Name: NAPHTHOL AS-D
  • Molecular formula: C18H15NO2
  • Appearance: Light beige powder
  • Shade: Approximate
  • Intensity: 100±3%
  • Content: ≥98%
  • Melting point: ≥190℃
  • Alkali-insoluble: ≤0.5%
  • 2,3 acid content: ≤0.2%
  • The sieve residue 60 mesh (or 80 mesh)≤5%
  • Uses: This product is mainly used as an intermediate of organic pigments, and can produce Pigment Red 12, 13, 14, 17, 19, 95, 112, 136, 148, 253, 267. This product can also be used for the dyeing of cotton yarn, cotton fabric, vinylon, viscose, silk and acetate, as well as for direct printing, resist printing and discharge printing of cotton, and can be used as an intermediate for fast pigments. Low affinity to cotton, medium coupling ability.

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