Appearance :flaky, powdery,acicular , big granular ,small granular

         Purity : >=99.5%

          Melting point: >=97.0

         Moisture <=0.1%

         Ash :<=0.05%

       Aqueous solution PH: 5.0-6.0

       Solubility in alcohol : transparent without precipiation

      Standards : Q/320682RUY01-2006

 This product is bitter , odorless ,boiling point 204 (15mmHg),slightly soluble in water,soluble in alcohol, benzene, toluene, chloroform,dimethylformamide and other organic solvents .

Usage:

Packing : Plastic wove bags, paper-plastic compound bags