Magnesium Hydroxides

we are offering magnesium hydroxides is an inorganic chemicals, as a suspension in water, it is also called milk of magnesia because of its milk-like appearance. the solid mineral form of magnesium hydroxides is known as brucite
application:
pharmaceuticals (antacid), fire retardant
specifications:
1) description: bulky white powder, odorless
2) solubility: practically insoluble in water and ethanol 95%.
3) chemical formula; mg(oh)3
4) arsenic: not more than 4 ppm
5) heavy metals: not more than 30 ppm
6) chloride: not more than 0.1%
7) sulphate: not more than 0.5 %
8) calcium: not more than 1.5%
9) iron: not more than 0.08%
10) soluble subs.: not more than 1.0%
11) subs. insoluble in acetic acid: limit 0.05% to 0.1%
12) assay(as mg (oh)2): between 95.0% and 100.5%
13) loss on ignition: 30.0 to 32.5.