... °C), hygroscopic, soluble in water insoluble in acetone, alcohol and ether.[Appearance]1)Steel Grade (also call Coke-ovens Grade ... be used as kinds of seed fertilizers, base fertilizer and additional fertilizer. Particularly suitable for the soil which lack ... trees, effectually rapid promoting the growth of grain, vegetables, fruits, grass and other plants. It have more efficiency than urea, ammonium ...