Property: white monoclinic crystal or rhombic crystal, relative density is 1.573, not dissolve in ethanol, carbon dioxide and strong ammonia; easy to dissolve in water and glycerin.....

Property: White crystal and powder. The relative molecular weight is 261.34 and density is 3.24. It can dissolve in water but not in ethanol and aquafortis. The melting point is....

Property: white gravel or powder crystal, relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It....

Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity....