is a colorless rhombus, granular or flaky crystal, soluble in water, but hardly
soluble in alcohol. Its stable liquor is acidity in dry condition. It
decomposes in hot water and has poison.
used as chemical reagent, glass etchant, aseptic and disinfector, filtrating
agent, flux of metallurgy in fermenting industry. It is also used for pottery
and magnesium alloy.
Packing：Net in 25KG plastic woven bag.