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                                                                                                      Pigment intermediate
                                                                                                      Products Introduction of  Naphthol AS Series
                                                                                                      Product
                                                                                                      CAS NO.
                                                                                                      Appearance
                                                                                                      Color Shade
                                                                                                      Strength
                                                                                                      Purity≥%
                                                                                                      Melting point≥οC
                                                                                                      Alkali insoluble ≤%
                                                                                                      Bon Acid Content≤%
                                                                                                      Moisture≤%
                                                                                                      Naphthol AS
                                                                                                      92-77-3
                                                                                                      Beige powder
                                                                                                      similar
                                                                                                      100±2%
                                                                                                      99.0
                                                                                                      246
                                                                                                      0.15
                                                                                                      0.2
                                                                                                      1.0
                                                                                                      Naphthol AS-BS
                                                                                                      135-65-9
                                                                                                      Yellow powder
                                                                                                      similar
                                                                                                      100±2%
                                                                                                      98.0
                                                                                                      246
                                                                                                      0.20
                                                                                                      0.8
                                                                                                      1.0
                                                                                                      Naphthol AS-E
                                                                                                      92-78-4
                                                                                                      Light beige powder
                                                                                                      similar
                                                                                                      100±2%
                                                                                                      98.5
                                                                                                      258
                                                                                                      0.20
                                                                                                      0.3
                                                                                                      1.0
                                                                                                      Naphthol AS-D
                                                                                                      135-61-5
                                                                                                      Beige brown powder
                                                                                                      similar
                                                                                                      100±2%
                                                                                                      98.5
                                                                                                      193
                                                                                                      0.30
                                                                                                      0.2
                                                                                                      1.0
                                                                                                      Products Introduction of  Bon Acid
                                                                                                      Product
                                                                                                      CAS NO.
                                                                                                      Appearance
                                                                                                      Content%
                                                                                                      Melting pointοC
                                                                                                      Bata-Naphthol Content%
                                                                                                      Alkali insoluble %
                                                                                                      2,6 acid content%
                                                                                                      1,2 acid content%
                                                                                                      Moisture %
                                                                                                      2,3 acid
                                                                                                      92-70-6
                                                                                                      Light yellow even powder
                                                                                                      ≥98.5
                                                                                                      ≥218
                                                                                                      ≤0.6
                                                                                                      ≤0.2
                                                                                                      ≤0.3
                                                                                                      Not detected
                                                                                                      ≤0.3
                                                                                                      2-Naphthol Introduction
                                                                                                      Product
                                                                                                      CAS NO.
                                                                                                      Appearance
                                                                                                      Content%
                                                                                                      Naphtha lene %
                                                                                                      Melting pointοC
                                                                                                      α-Naphthol Content%
                                                                                                      2,2-Joint Naphthol %
                                                                                                      Moisture%
                                                                                                      2-Naphthol
                                                                                                      135-19-3
                                                                                                      White crystalline powder or flakes
                                                                                                      ≥99%
                                                                                                      ≤0.5
                                                                                                      ≥120
                                                                                                      ≤0.5
                                                                                                      ≤0.5
                                                                                                      ≤0.3