Magnesium trisilicate

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| ImageFile = Magnesium trisilicate.png

| ImageSize =

| ImageName = Structural formula of magnesium trisilicate

| PIN = Dimagnesium dioxido-bis[(oxido-oxosilyl)oxy]silane

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|Section1={{Chembox Identifiers

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo = 14987-04-3

| CASNo1_Ref = {{cascite|correct|CAS}}

| CASNo1 = 39365-87-2

| CASNo1_Comment = (monohydrate)

| ChemSpiderID = 4470779

| ChEMBL = 2096633

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| DrugBank = DB09281

| EC_number = 239-076-7

| PubChem = 5311266

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = FML8G1U0Y3

| UNII1_Ref = {{fdacite|correct|FDA}}

| UNII1 = C2E1CI501T

| UNII1_Comment = (monohydrate)

| SMILES = [O-][Si](=O)O[Si]([O-])([O-])O[Si](=O)[O-].[Mg+2].[Mg+2]

| SMILES1 = [Mg++].[Mg++].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O

| StdInChI = 1S/2Mg.O8Si3/c;;1-9(2)7-11(5,6)8-10(3)4/q2*+2;-4

| StdInChIKey = GXGAKHNRMVGRPK-UHFFFAOYSA-N

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|Section2={{Chembox Properties

| Mg=2 | O=8 | Si=3

| Appearance = White crystals

| Odor = Odourless}}

|Section7={{Chembox Hazards

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Magnesium trisilicate is an inorganic compound that is used as a food additive. The additive is frequently used by fast food chains to absorb fatty acids and extract impurities formed while frying edible oils.{{citation | title=Therapeutic Use of Medicinal Plants and their Extracts: Volume 2: Phytochemistry and Bioactive Compounds | volume=74 | series=Progress in Drug Research | first1=A. N. M. | last1=Alamgir | publisher=Springer | year=2018 | isbn=978-3319923871 | page=377 | url=https://books.google.com/books?id=2LZhDwAAQBAJ&pg=PA377 }} It has good acid neutralizing properties, but the reaction appears too slow to serve as an effective non-prescription antacid.{{citation | title=Antacids and Anti Reflux Agents | first1=Neena | last1=Washington | publisher=CRC Press | year=1991 | isbn=0849354447 | page=6 | url=https://books.google.com/books?id=MKxtXgtt5SIC&pg=PA6 }}