E553A (II) MAGNESIUM TRISILICATE

E553a (ii) Magnesium Trisilicate is an inorganic magnesium silicate material used in food and beverage applications primarily as an anti-caking agent, carrier, and processing aid, and E553a (ii) Magnesium Trisilicate is valued for moisture adsorption, flow improvement, and powder handling performance in dry products.
E553a (ii) Magnesium Trisilicate helps prevent clumping and improves free-flowing behavior in powders by adsorbing moisture and reducing particle-to-particle sticking, and E553a (ii) Magnesium Trisilicate is used in salt, seasonings, spice blends, powdered flavors, and dry mix systems where caking control is required.
E553a (ii) Magnesium Trisilicate is typically supplied as a white to off-white powder with high porosity, and E553a (ii) Magnesium Trisilicate performance depends on composition, particle size, surface area, dosage, and the moisture load of the finished product and packaging environment.

CAS Number: 14987-04-3 (commonly associated; hydrated forms exist)
EC Number: 239-076-7 (commonly associated)
Molecular Formula: Mg2Si3O8 (common representation; hydrated and amorphous forms vary)
Molecular Weight: 260.95 g/mol (Mg2Si3O8)

Synonyms: E553a (ii) Magnesium Trisilicate, Magnesium Trisilicate, Magnesium Silicate Trisilicate, Mg2Si3O8, Hydrated Magnesium Silicate, Anti-Caking Agent E553a, Magnesium Trisilicate Food Grade, Magnesium Trisilicate Flow Agent, Magnesium Trisilicate Carrier, E553a(ii), Precipitated Magnesium Trisilicate, Porous Magnesium Trisilicate, E553a(ii) Magnesium Trisilicate, E553a Magnesium Trisilicate, Magnesium Trisilicate, Magnesium Trisilicate Hydrate, Hydrated Magnesium Trisilicate, Synthetic Magnesium Trisilicate, Food Grade Magnesium Trisilicate, Magnesium Trisilicate Food Additive, E553a(ii) Food Additive, E553a(ii) Anticaking Agent, Magnesium Trisilicate Anticaking Agent, Magnesium Trisilicate Flow Agent, Magnesium Trisilicate Carrier, Magnesium Trisilicate Excipient, Magnesium Trisilicate Powder, Magnesium Trisilicate Granules, Magnesium Trisilicate Reagent, Industrial Magnesium Trisilicate, Pharmaceutical Magnesium Trisilicate, Cosmetic Grade Magnesium Trisilicate, High Purity Magnesium Trisilicate, Synthetic Magnesium Trisilicate Powder, Magnesium Trisilicate Food Grade, Magnesium Trisilicate FCC, Magnesium Trisilicate USP, Magnesium Trisilicate EP, Magnesium Trisilicate Absorbent, Magnesium Trisilicate Filler, Magnesium Trisilicate Stabilizer, Magnesium Trisilicate Mineral, Magnesium Trisilicate Compound, Magnesium Salt of Trisilicic Acid, Trisilicic Acid Magnesium Salt, Magnesium Trisilicate Carrier Agent, Magnesium Trisilicate Flow Aid, Magnesium Trisilicate Anti-Caking Agent, Magnesium Trisilicate Processing Aid, Magnesium Trisilicate Mineral Powder

APPLICATIONS

E553a (ii) Magnesium Trisilicate is used in table salt and industrial salt to prevent caking and maintain free-flowing behavior during storage.
E553a (ii) Magnesium Trisilicate is incorporated into salt blends to improve pourability under humid conditions.
E553a (ii) Magnesium Trisilicate is used in reduced-sodium salt mixes to support consistent dosing and flow.

E553a (ii) Magnesium Trisilicate is used in seasoning blends to reduce moisture-induced clumping and improve uniform dispersion of spices.
E553a (ii) Magnesium Trisilicate is incorporated into powdered flavor systems to maintain free-flow and prevent hard lumps.
E553a (ii) Magnesium Trisilicate is used in dry soup mixes to improve powder handling and consistent portioning.

E553a (ii) Magnesium Trisilicate is used in spice blends to reduce caking and improve shaker performance in consumer packaging.
E553a (ii) Magnesium Trisilicate is incorporated into chili, curry, and savory spice mixes to stabilize flow during shelf life.
E553a (ii) Magnesium Trisilicate is used in garlic and onion powders to reduce clumping caused by hygroscopic components.

E553a (ii) Magnesium Trisilicate is used in powdered cheese seasonings to maintain flow and reduce compaction in packaging.
E553a (ii) Magnesium Trisilicate is incorporated into snack seasoning systems to improve processing and reduce buildup in dosing equipment.
E553a (ii) Magnesium Trisilicate is used in popcorn seasoning to maintain pourability and improve adhesion behavior in compatible designs.

E553a (ii) Magnesium Trisilicate is used as a carrier for flavors and actives in selected applications where adsorption onto a porous mineral improves dosing control.
E553a (ii) Magnesium Trisilicate is incorporated into encapsulated flavor powders to support flow and reduce oil-related clumping.
E553a (ii) Magnesium Trisilicate is used in vitamin and mineral premixes to improve flow and reduce bridging in hoppers.

E553a (ii) Magnesium Trisilicate is valued because E553a (ii) Magnesium Trisilicate provides anti-caking performance and powder flow improvement at low use levels, supporting dosing accuracy, processing efficiency, and shelf life stability in many dry food systems.

E553a (ii) Magnesium trisilicate is used in table salt and flavored salt products as a flow aid.
E553a (ii) Magnesium trisilicate supports stable pouring in humid environments.
E553a (ii) Magnesium trisilicate helps reduce bridging and hardening in salt shakers.

E553a (ii) Magnesium trisilicate is used in spice blends to prevent caking during storage.
E553a (ii) Magnesium trisilicate supports uniform dosing in manufacturing and consumer use.
E553a (ii) Magnesium trisilicate helps maintain consistent texture and pourability.

E553a (ii) Magnesium trisilicate is used in powdered sugar and sweetener blends to reduce lump formation.
E553a (ii) Magnesium trisilicate supports improved handling in packaging and processing.
E553a (ii) Magnesium trisilicate helps maintain powder appearance and dispersion.

E553a (ii) Magnesium trisilicate is used in instant beverage powders to improve flow and prevent caking.
E553a (ii) Magnesium trisilicate supports stable mixing and dosing of drink mixes.
E553a (ii) Magnesium trisilicate helps reduce moisture-driven agglomeration in storage.

E553a (ii) Magnesium trisilicate is used in creamers and powdered dairy products to improve powder flow.
E553a (ii) Magnesium trisilicate supports reduced clumping in coffee creamer powders.
E553a (ii) Magnesium trisilicate helps maintain consistent spoonability and reconstitution behavior.

E553a (ii) Magnesium trisilicate is used in powdered soup mixes to improve flow and reduce bridging in hoppers.
E553a (ii) Magnesium trisilicate supports more consistent filling operations.
E553a (ii) Magnesium trisilicate helps reduce downtime caused by powder handling problems.

E553a (ii) Magnesium trisilicate is used in bakery premixes to improve processing and prevent caking in storage.
E553a (ii) Magnesium trisilicate supports uniform mixing in flour-based blends.
E553a (ii) Magnesium trisilicate helps maintain consistent dosing of minor ingredients.

E553a (ii) Magnesium trisilicate is used in powdered flavors and encapsulated aroma powders to improve flow properties.
E553a (ii) Magnesium trisilicate supports reduced stickiness of hygroscopic flavor powders.
E553a (ii) Magnesium trisilicate helps maintain stable powder handling during blending.

E553a (ii) Magnesium trisilicate is used in dry seasoning sachets for instant foods to ensure stable powder release.
E553a (ii) Magnesium trisilicate supports reduced caking in small packets.
E553a (ii) Magnesium trisilicate helps improve consumer experience by preventing hard lumps.

E553a (ii) Magnesium trisilicate is used in powdered cheese flavors to reduce agglomeration during storage.
E553a (ii) Magnesium trisilicate supports better distribution on snack surfaces.
E553a (ii) Magnesium trisilicate helps improve flow in seasoning application equipment.

E553a (ii) Magnesium trisilicate is used in snack seasoning application to improve powder dispersion and reduce clumping in feeders.
E553a (ii) Magnesium trisilicate supports consistent seasoning coverage on chips and extrudates.
E553a (ii) Magnesium trisilicate helps reduce feeder blockages and process variability.

E553a (ii) Magnesium trisilicate is used in dietary supplement powders to reduce caking and improve scoopability.
E553a (ii) Magnesium trisilicate supports stable handling of mineral and vitamin premixes.
E553a (ii) Magnesium trisilicate helps improve packaging speed and filling consistency.

E553a (ii) Magnesium trisilicate is used in tablet manufacturing as a glidant and flow aid in some formulations.
E553a (ii) Magnesium trisilicate supports improved powder handling and die filling in some blends.
E553a (ii) Magnesium trisilicate helps reduce processing variability in tablet compression.

E553a (ii) Magnesium trisilicate is used in capsule filling to improve flow of blends and reduce sticking.
E553a (ii) Magnesium trisilicate supports improved filling accuracy in encapsulation lines.
E553a (ii) Magnesium trisilicate helps reduce equipment fouling from sticky powders.

E553a (ii) Magnesium trisilicate is used as a carrier for liquid flavors and oils to create free-flowing powders.
E553a (ii) Magnesium trisilicate supports adsorption of oils onto porous particles.
E553a (ii) Magnesium trisilicate helps convert liquids into dry powders for easier dosing.

E553a (ii) Magnesium trisilicate is used in spray-dried flavor powders as a flow and anti-caking aid in some systems.
E553a (ii) Magnesium trisilicate supports reduced stickiness and improved powder stability.
E553a (ii) Magnesium trisilicate helps improve yield in powder drying and collection.

E553a (ii) Magnesium trisilicate is used in pharmaceutical formulations as an adsorbent and diluent in some solid dosage forms.
E553a (ii) Magnesium trisilicate supports improved flow and reduced caking in some powder blends.
E553a (ii) Magnesium trisilicate helps improve stability of moisture-sensitive actives in some systems.

E553a (ii) Magnesium trisilicate is used as an antacid component in some pharmaceutical and OTC products.
E553a (ii) Magnesium trisilicate supports neutralization of gastric acid in some antacid formulations.
E553a (ii) Magnesium trisilicate helps provide buffering action and symptomatic relief in some products.

E553a (ii) Magnesium trisilicate is used in topical pharmaceutical products as an absorbent in some formulations.
E553a (ii) Magnesium trisilicate supports reduced greasiness and improved feel in some ointments.
E553a (ii) Magnesium trisilicate helps improve stability of suspensions in some topical products.

E553a (ii) Magnesium trisilicate is used in cosmetics as an absorbent and thickener in some formulations.
E553a (ii) Magnesium trisilicate supports oil absorption and matte finish in face powders.
E553a (ii) Magnesium trisilicate helps improve slip and soft-focus effect in cosmetics.

E553a (ii) Magnesium trisilicate is used in personal care powders to improve feel and reduce tackiness.
E553a (ii) Magnesium trisilicate supports silky texture in body powders.
E553a (ii) Magnesium trisilicate helps improve moisture control in powder products.

E553a (ii) Magnesium trisilicate is used in deodorant and body powders to improve flow and reduce caking.
E553a (ii) Magnesium trisilicate supports better dispersion of actives in powder blends.
E553a (ii) Magnesium trisilicate helps reduce clumping in loose powder systems.

E553a (ii) Magnesium trisilicate is used in paints and coatings as a functional extender and rheology modifier in some formulations.
E553a (ii) Magnesium trisilicate supports improved scrub resistance and matting in some paints.
E553a (ii) Magnesium trisilicate helps control settling and improve viscosity stability.

E553a (ii) Magnesium trisilicate is used in plastics as a filler to improve stiffness and dimensional stability in some applications.
E553a (ii) Magnesium trisilicate supports reduced shrinkage in molded parts.
E553a (ii) Magnesium trisilicate helps improve heat resistance in some polymer composites.

E553a (ii) Magnesium trisilicate is used in rubber compounding as a filler in some formulations.
E553a (ii) Magnesium trisilicate supports reinforcement and improved processing in some elastomer mixes.
E553a (ii) Magnesium trisilicate helps tailor hardness and mechanical performance.

E553a (ii) Magnesium trisilicate is used in paper and packaging as a filler and coating pigment in some applications.
E553a (ii) Magnesium trisilicate supports improved brightness and printability in some papers.
E553a (ii) Magnesium trisilicate helps improve ink holdout and surface smoothness.

E553a (ii) Magnesium trisilicate is used in filtration as a porous medium in some industrial applications.
E553a (ii) Magnesium trisilicate supports separation of suspended solids in some processes.
E553a (ii) Magnesium trisilicate helps improve clarity of filtered liquids in some systems.

E553a (ii) Magnesium trisilicate is used in oil and fat processing as an adsorbent in some refining steps.
E553a (ii) Magnesium trisilicate supports removal of impurities and color bodies in some operations.
E553a (ii) Magnesium trisilicate helps improve clarity and stability of refined oils in some systems.

E553a (ii) Magnesium trisilicate is used in industrial absorbents to capture oils and spills in some applications.
E553a (ii) Magnesium trisilicate supports rapid absorption of liquids in maintenance operations.
E553a (ii) Magnesium trisilicate helps improve safety and cleanliness in industrial environments.

DESCRIPTION

E553a (ii) Magnesium Trisilicate is a porous magnesium silicate material that adsorbs moisture and reduces powder caking by physically separating particles, and E553a (ii) Magnesium Trisilicate functions as a physical anti-caking agent rather than a dissolved ingredient.
E553a (ii) Magnesium Trisilicate is often produced as a precipitated or synthetic hydrated magnesium silicate with controlled surface area and pore structure, and these physical properties determine effectiveness in different powder matrices.
E553a (ii) Magnesium Trisilicate remains insoluble in the finished food, and E553a (ii) Magnesium Trisilicate works by reducing surface moisture and improving powder particle mobility.

E553a (ii) Magnesium Trisilicate should be used at optimized dosage because excess mineral can affect appearance or mouthfeel in some products.
E553a (ii) Magnesium Trisilicate should be used according to applicable food additive regulations and good manufacturing practices for the target market.
E553a (ii) Magnesium Trisilicate should be handled with dust control practices because fine powders can become airborne during transfer and blending.

E553a (ii) Magnesium Trisilicate can pick up moisture from the environment, so storage in tight packaging and dry conditions preserves adsorption capacity.
E553a (ii) Magnesium Trisilicate should be stored in tightly closed containers in a cool, dry place to maintain consistent flow performance.
E553a (ii) Magnesium Trisilicate should be kept away from strong acids because acids can react with silicates and change properties.

E553a (ii) Magnesium trisilicate is a magnesium silicate material used as a food additive primarily for anti-caking and flow improvement.
E553a (ii) Magnesium trisilicate is typically supplied as a white, fine powder with adsorption capacity for moisture and oils.
E553a (ii) Magnesium trisilicate improves powder flow by absorbing surface moisture and reducing inter-particle adhesion.

E553a (ii) Magnesium trisilicate is widely used in powdered foods such as salt, spices, seasonings, and dry mixes to prevent clumping.
E553a (ii) Magnesium trisilicate is also used in pharmaceuticals as an adsorbent and as an antacid component in some formulations.
E553a (ii) Magnesium trisilicate is used in cosmetics, paints, plastics, and rubber as an absorbent, filler, or rheology modifier in many industrial applications.

E553a (ii) Magnesium trisilicate performance depends on particle size, surface chemistry, and the formulation environment.
E553a (ii) Magnesium trisilicate should be stored in tightly closed containers in a dry place to prevent moisture pickup and maintain free-flowing behavior.
E553a (ii) Magnesium trisilicate is valued for anti-caking performance, adsorption capacity, and broad usefulness across food, pharmaceutical, and industrial applications.

PROPERTIES

Chemical Formula: Mg2Si3O8 (common representation; grade dependent)
Molecular Weight: 260.95 g/mol (Mg2Si3O8)
Common Name: E553a (ii) Magnesium Trisilicate
Chemical Type: Inorganic mineral; anti-caking agent; carrier; processing aid
Appearance: White to off-white porous powder
Odor: Odorless
Taste: Neutral at typical use levels
Solubility: Insoluble in water; dispersible as a solid
Moisture Adsorption: Moderate to high; porous structure provides water uptake
Bulk Density: Low to moderate; grade dependent
Particle Size: Fine; grade dependent; affects flow and dusting
Stability: Stable under dry storage; adsorption capacity reduced if pre-saturated with moisture
Storage Temperature: 15–30°C, tightly closed, dry
Shelf Life: Typically 24–60 months in original sealed packaging (supplier dependent)

FIRST AID

Inhalation:
Move to fresh air if dust is inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing dust during powder handling and use dust control.

Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.

Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.

Ingestion:
Rinse mouth with water.
Seek medical attention if discomfort occurs.
Never give anything by mouth to an unconscious person.

Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.

HANDLING AND STORAGE

Handling:
Use appropriate PPE including gloves and safety glasses for bulk handling.
Avoid generating dust and avoid inhalation of fine powder.
Use closed transfer or local exhaust to minimize airborne dust during dosing and mixing.

Ventilation:
Use general ventilation for normal handling.
Use local exhaust where dust may be generated during powder transfer.
Minimize airborne particulate accumulation in enclosed areas.

Storage:
Store in tightly closed containers in a cool, dry place.
Protect from moisture to preserve adsorption capacity and prevent caking of the additive itself.
Keep away from strong acids and incompatible chemicals.

Spill and Leak Procedures:
Sweep up spilled powder and avoid dust generation.
Collect into suitable containers for reuse or disposal according to local regulations.
Clean residues with water if needed and dry the area to prevent slip hazards.

Handling Precautions:
Optimize dosage because E553a (ii) Magnesium Trisilicate strongly affects flow and excessive levels can influence appearance or mouthfeel in some powdered foods.
Control moisture exposure because E553a (ii) Magnesium Trisilicate works by adsorption and can lose effectiveness if it absorbs moisture before use.
Rotate stock using FIFO practices to maintain consistent quality and predictable anti-caking performance.