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                    We are a high-tech production  
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                    Products

                  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