... after heated 0.4% maxAsh content0.1%maxInsoluble in water 0.02%max Thiocyanate (CNS) 0.02%maxMelting pointCentigrade degree1716 ... ) Character: White, glazed crystal, bitter, soluble in water, decompositing ... stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medical, ...