6. Physical and chemical nature:
It is light-yellow crystalline powder, hardly dissolve in cool-water, fairly easy to dissolve in hot water. Dissolve easily in acid, alkali and organic solvent. Little dissolves in alcohol and benzene, dissolving in ethyl ether, petroleum ether.

7. Use of product:
Be mainly used in producing materials of "antipyrine", "aminopyrine", "analgin". Be also used in "acid chrome bordeaux BN" "acid chrome orange LR" "pigment orange 13" "dykolite brilliant yellow 3R(SDC)" "acid chrome orange RL(Roum)" "erichrome red B(CGY)" and dyestuffs of color photogrophic film, synthesizing pesticide and other fine chemicals.

8. Packing: 25kgs/inner plastic knit bag

9. Productivity: 250tons/month.