... insoluble in acetone, alcohol and ether.[Appearance]1)Steel Grade (also call Coke-ovens Grade) is fine white powder, after processing it ... . It have more efficiency than urea, ammonium bicarbonate, ammonium chloride, ammonium nitrate. Large granular ammonium sulphate can also serve as raw material ... , avoid insolation, sign with no moisture and no insolation ammonium sulphate 20.6 granular steel grade