<form id="dxjll"><form id="dxjll"><th id="dxjll"></th></form></form>

<address id="dxjll"><listing id="dxjll"><meter id="dxjll"></meter></listing></address>

          <address id="dxjll"></address>

            <form id="dxjll"><form id="dxjll"><nobr id="dxjll"></nobr></form></form>
              <form id="dxjll"></form>

                  We are a high-tech production  
                官方彩票
                 
                        Printing Ink
                        Coating
                        Plastics & Rubber
                        Textile Printing
                        Pigment intermediate
                         More
                 
                  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