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. It has good acid neutralizing properties.

Manufacture
Prepared from Sodium silicate and Magnesium sulfate.

SynonymsMagnesium silicate hydrate,
Magnesium silicon oxide
CAS no.14987-04-3
EINECS no.239-076-7
Molecular formulaMg2O8Si3
Molecular weight260.86
Structure

Applications

Magnesium Trisilicate is a common antacid drug that is used for the treatment of indigestion, heartburn, or gastroesophageal reflux disorder (GERD).

It is also used as
Antioxidant
Decolorizing agent
Industrial odor absorbent

SPECIFICATIONS – USP

TestUnitSpecification
DescriptionA white or almost white powder
SolubilityPractically insoluble in water & in ethanol (96%)
IdentificationA) The Neutralized filtrate responds to the tests for Magnesium
B) Silica Floats about in the bead, producing, upon cooling an opaque bead with a web-like structure
Water%Between 17.0 to 34.0
Soluble saltsThe residue weight not more than 38.0 mg (1.5%)
Chloride%Not more than 0.055
Sulfate%Not more than 0.5
Free AlkaliNot more than 1.0 ml of 0.10 N hydrochloric acid is required
ArsenicppmNot more than 8
Acid consuming capacityBetween 140 ml to 160 ml of 0.10 N hydrochloric acid
Assay as MgO%Not less than 20.0
Assay as SiO2%Not less than 45.0
Ratio of SiO2 to MgOBetween 2.10 to 2.37
Product is also available in BP/EP grades

STORAGE
The product is stored at ambient temperature protected from moisture

PACKING
25 kg HDPE bags

REGISTRATION / CERTIFICATION
1. WHO-GMP
2. EU-WC (Written Confirmation)

ExSyn offers Magnesium trisilicate on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please contact us.

More Products
In focus: Colchicine
Products in focus · 09/09/2025

Colchicine is a naturally occurring alkaloid obtained primarily from the autumn crocus (Colchicum autumnale) and related species. It has been used in medicine for centuries, especially for the treatment of gout and Familial Mediterranean Fever. In modern medicine, Colchicine is valued also in conditions like pericarditis, Behçet’s disease, and certain dermatological and cardiac disorders.

READ MORE
In focus: 1-Butylimidazole
Products in focus · 02/09/2025

1-Butylimidazole is a versatile organic heterocyclic compound belonging to the imidazole family, where a butyl group (–CH₂–CH₂–CH₂–CH₃) is attached to the nitrogen atom at the 1-position of the imidazole ring. Its applications span organic synthesis, materials science, and bioactive compound development due to its tunable physicochemical properties and structural versatility.

READ MORE
In focus: Atropine Sulfate, monohydrate
Products in focus · 26/08/2025

Atropine sulfate monohydrate is a chemical compound, specifically a salt of atropine and sulfuric acid, with one water molecule (monohydrate) attached. It is commonly used as a medication and in research due to its anticholinergic properties, meaning it blocks the effects of acetylcholine at muscarinic receptors.

READ MORE
In focus: 4-Aminobenzoic Acid (PABA)
Products in focus · 19/08/2025

4-Aminobenzoic acid, commonly abbreviated as PABA, is an aromatic amine and carboxylic acid compound. It consists of a benzene ring substituted with an amino group (–NH₂) in the para position to a carboxylic acid group (–COOH).

READ MORE
In focus: 2-Amino-5-Nitrophenol
Products in focus · 12/08/2025

2-Amino-5-Nitrophenol (5-NAP) is an organic compound with the molecular formula C₆H₆N₂O₃. It is a substituted phenol with both an amino group (-NH₂) and a nitro group (-NO₂) attached to a benzene ring, along with a hydroxyl group (-OH).

READ MORE
In focus: Pongamol Extract
Products in focus · 05/08/2025

Pongamol is a naturally occurring flavonoid primarily extracted from the seeds and leaves of the Pongamia pinnata tree (also known as Karanja tree), native to South and Southeast Asia. It is a cream-colored compound that belongs to the flavonoid family and is known for its antioxidant, anti-inflammatory, antimicrobial, and pesticidal properties. It is one of the key bioactive constituents of Pongamia oil.

READ MORE
In focus: Biobased Ethyl Acetate
Products in focus · 29/07/2025

Biobased Ethyl Acetate is an environmentally friendly solvent made from renewable sources like bioethanol extracted from sugarcane, corn, and other forms of biomass. Unlike traditional ethyl acetate, which is typically derived from fossil fuels, this green alternative shares the same chemical structure (C₄H₈O₂) and functional performance—offering comparable versatility with a significantly lower environmental footprint.

READ MORE
In focus: Palmitoyl Chloride
Products in focus · 22/07/2025

Palmitoyl chloride is a long-chain fatty acid derivative. It is the acid chloride form of palmitic acid; a saturated fatty acid commonly found in palm oil and other natural fats. It appears as a colorless to pale yellow liquid with a sharp odour and is highly reactive, especially toward water, alcohols, and amines.

READ MORE
In focus: Lycopene
Products in focus · 15/07/2025

Fungal Lycopene is an acyclic carotene belonging to a large group of naturally-occurring pigments known as carotenoids. It contains at least 90% of all-trans-lycopene and minor quantities of 13-cis-lycopene and β- and γ-carotene. It is used as an intermediate in the biosynthetic pathway of β-carotene. Its role in the pharmaceutical and food industries stems from its demonstrated health benefits—such as anticancer and cardiovascular protection—alongside its widespread use as a natural food colorant.

READ MORE