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                    Add: Room 1207, Building 96, Majiapu East Road,
                    Fengtai District, Beijing 100068, China
                    Tel: +86-13701008127
                    E-mail: ycchem@bjyangcun.com
                      laozhao63@hotmail.com
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                     Name: 6-Hydroxy-2-naphthoic acid

                    CAS: 16712-64-4
                    Use: The product can be used as important organic intermediate for engineering plastic, organic pigment and liquid crystal material, especially as monomer for temperature resistant synthetic material.
                    National Standard: GB/T 23671-2009 Provision: Physicochemical property: The product is white to light yellow powder (superior product), light yellow to light brown powder or lump (qualified product), melting point≥245°C, soluble in ethyl alcohol, ethyl ether, benzene, trichloromethane, slightly soluble in hot water, poorly soluble in cold water.
                    Quality Index

                    ITEM SPECIFICATION TEST METHOD
                    Purity(%) 99.5% MIN HPLC
                    2,3-HNA(%) 0.05 MAX HPLC
                    2-Naphthol(%) 0.1 MAX HPLC
                    Melting Point(°C) 245-247 Digital Melting
                    Apparatus
                    Moisture(%) 0.1 MAX Baking Oven
                    Bulk Density(Kg/L) 0.48 MIN Gravimetry
                    Sulfer(PPM) 50 MAX Sulfur Analyzer
                    Insolubles (PPM) 50 MAX Gravimetry
                    Color(APHA) 50 MAX Colourimetry
                    1g in 50ml Methanol
                    K (PPM) 10 MAX AAS
                    Na (PPM) 10 MAX AAS

                    Packing: 25KG fiber drum lined with plastic bag or by ton bag.

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