Silicones & Silicates
REACH
Magnesium trisilicate
CAS Number
14987-04-3
EC Number
239-076-7
What is Magnesium trisilicate?
Magnesium trisilicate (CAS 14987-04-3) is an inorganic magnesium silicate compound used in pharmaceutical, food, and industrial manufacturing.
Where is Magnesium trisilicate used?
- Pharmaceuticals: active antacid in tablet and suspension formulations
- Food: anticaking agent in powdered and granulated products
- Polymers and plastics: catalyst support and stabilizer
- Refining: adsorbent that removes pigments and free fatty acids from oils and organic streams
- It neutralizes excess gastric acid and adsorbs pepsin.
Good to know: Pharmaceutical-grade material meets USP, BP, and Ph. Eur. specifications for regulated drug products.
Commercial specifications
- Hydrated and anhydrous grades
- Technical grade for industrial and catalyst uses where high purity is required
Other Names (Synonyms)
Trimax|magnesium trisilicate anhydrous|FML8G1U0Y3|Magnesium silicate (Mg2Si3O8)|Magnesium silicates magnesium trisilicate|SILICIC ACID (H4SI3O8), MAGNESIUM SALT (1:2)|Mag trisil co|RefChem:55540
What are the physical properties of Magnesium trisilicate?
Melting Point 1557.00°C
Density 2.700 g/ml
Appearance White or almost white powder.
Color White
Form Powder
Water Solubility insoluble H2O, EtOH [CRC10]
Which trade and regulatory codes apply to Magnesium trisilicate?
WGK (Germany) 3