Colorless needle crystal or white particles. In dry air weathering, while in damp air ChaoXie, relative density 196, heat to °C lost four 61.4 molecular gesso, 100 °C become water content, melting point °C, 150 115 °C lost all gesso. Soluble in water, soluble in ethanol and acetone.
Used to make injection, manufacturing soda ash and caustic soda and other chemical products, mineral smelting. The food industry and fishery for salt bloats, also can be used as seasoning materials and refined salt.
|Reagent grade||Pharmaceutical grade|
|Assay (NaCl) /%||99.5||99.5|
|Clarify degrees test||Conform||Conform|
|Phosphate (PO4) /%||≤0.001||≤0.0025|
|Nitrite (NO2) /%||-||Conform|
|Arsenic (As) /%||≤0.00005||≤0.00004|
|Iodine (I) /%||≤0.002||Conform|
|Calcium (Ca) /%||≤0.005||Conform|
|Aluminum (Al) /%||-||≤0.00002|
|Iron (Fe) /%||≤0.0002||≤0.0003|
|Potassium (K) /%||≤0.02||0.02|
|magnesium (Mg) /%||≤0.002||≤0.001|
|Magnesium and alkali /%||-||-|
|Heavy metal (Pb) /%||≤0.0005||≤0.0002|
|Nitrogen compounds (N) /%||≤0.001||-|
|Dry weightlessness /%||≤0.5||≤0.5|
|Ferrous cyanide /%||≤0.0001||Conform|
|Water insoluble, /%||≤0.005||-|
a. It is an important raw material in the production of magnesium carbonate, magnesium sulphate, magnesium oxide and other magnesium compounds chemical industry.
b. It is used as the additive of fireproof materials and it is also a raw material as snow melting agent and metal magnesium.
c. It is an important raw material in the production of light building materials ,such as fiber glass tile, omamental plate, sanitary, ware ceiling ,floor brick ,magnesium cement and other materials used in highrise buildings.
d. It is used as the solidifying agent for protein in food industry, and used as fireproof agent for coal mining in coal industry, it is also used as Antifreeze and dirtproof agent.
Storage : Should be stored in a cool, room temperature away from light, ventilated and dry place, you can stack up against the rain, not mixed with the acid-base storage, stack end to laying wood to moisture, stack up height of not more than two meters.