Magnesium Trisilicate BP

Magnesium trisilicate is an inorganic compound, appears as white powder. It is practically insoluble in water and ethanol.


 It is used as a food additive and as an antacid.


Test Specification
Character It occurs as white or almost white powder.




(a)It gives the reaction of silicate

(b)It gives the reaction of magnesium.

Solubility Practically insoluble in water and in ethanol (96%)
 Alkalinity Specified Test
Water soluble salts Not more than 1.5%
Chlorides Not more than 500 ppm
Sulfates Not more than 0.5%
Arsenic Not more than 4 ppm
Heavy Metals Not more than 40 ppm
Loss on ignition Between 17% to 34%
Acid absorbing capacity Specified Test

A. Magnesium oxides

B. Silicon dioxide


(a) Not less than 29.0 % (ignited substance).

(b) Not less than 65.0 % (ignited substance).



Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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