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E553a Magnesium silicate, known as E553a, is a food additive primarily used as an anti-caking agent.
E553a Magnesium silicate is a chemical compound formed from a combination of magnesium and silica, which prevents bulk products such as baking powders, spices and dietary supplements from clumping.
E553a Magnesium silicate is an inorganic mineral compound made from magnesium oxide (MgO) and silicon dioxide (SiO₂), and it is used mainly as a anticaking agent, anti-clumping powder, and flow aid in food and industrial products because it absorbs moisture and prevents fine particles from sticking together, allowing powders to remain dry, free-flowing, and easy to handle during storage and processing.
CAS Number: 1343-88-0
Molecular Formula: MgO3Si
Molecular Weight: 100.39
EINECS Number: 215-681-1
Synonyms: AMBOSOL, silicic acid magnesium salt, Magsorbent, Avibest, Britesorb, Gastomag, Magmasil, Naisuton, Novasorb, Salisil, Trinesium, Trisomin, Chooz, Nikkagel M, Shimugon M, Magnesol XL, Tri-Sil, Britesorb 90, Haiburaito 325, Macrosorb M 15, Haiburaito 1250, Silton SS 1, Celkate T 21, Kyowaad 600S, Mizuka Life P 1G, Mizupearl M 302, Britesorb No. 40, magnesium hydrosilicate, magnesium silicate talc, INS-553(I), E-553(I), magnesium silicate, RefChem:155263, 215-681-1, DTXSID6047658, 1343-88-0, Florisil, magnesium silicate synthetic, magnesium silicate JAN NF, magnesium silicate FCC, SCHEMBL29370171, UNII-9B9691B2N9, HSDB 5823, magnesium silicate WHO-DD, EC 215-681-1, FLORISIL(R) PR, 60-100 MESH;FLORISIL(R) PR NORMAL-PHASE ADSORBENT;FLORISIL(R) TLC;FLORISIL(TM);FLORISIL, 60-100 MESH;FLORISIL, -200 MESH;FLORISIL MESH 60-100;FLORISIL, 100-200 MESH
E553a Magnesium silicate ring dipped in several ammonium phosphate crystals, melting in the colorless flame on the ball, dipped in the sample when it is hot, and then melt, the silica was floating on the surface of the ball.
Having been put cold, it turns into an opaque small ball with reticular structure.
E553a Magnesium silicate indicating that the silicon test is positive.
E553a Magnesium silicate analysis of the content of magnesium oxide: weigh about 1.5g sample exactly; take it into a 250ml conical flask; add 1mol/L sulfuric acid 50.0ml, in the steam bath for 1h.
Cool to ambient temperature; add one drop of methyl orange test solution (TS-148), and the excess acid is titrated with 1 mol/L sodium hydroxide solution. 1mol/L sulfuric acid per milliliter is equivalent to MgO2 0.15mg.
Analysis of silica content: took about 700mg sample, weighed to 0.1mg; took it into a 150ml beaker; added 20ml 1mol/L sulfuric acid, heating in the steam bath for 1.5h; decant the supernatant, and filter it with sterile filter paper; then the residue should be washed with hot water 3 times in the beaker, and pass through the filter paper.
The residue was impregnated with 25 ml of water and digested on a steam bath for 15 min.
Finally, the residue was transferred to the filter paper and rinsed with hot water onto the filter paper.
The filter paper and filter residue was removed into the platinum crucible. Heated to dry and burn, and then it underwent a strong burning for 30min, cooling and weighing.
E553a Magnesium silicate is closely related to natural minerals such as talc and clay-like silicates, and it often exists as a finely divided white powder with strong moisture-absorbing properties.
E553a Magnesium silicate improves powder stability and handling performance.
Chemically, E553a Magnesium silicate consists of magnesium ions bound within a silicate framework of silicon-oxygen bonds, forming a stable, inert mineral structure that does not dissolve easily in water but can trap moisture within its porous or layered structure depending on its form.
Because of this stability, it does not readily react with food components under normal conditions.
This improves chemical inertness and storage safety.
Physically, E553a Magnesium silicate appears as a white, very fine powder with a soft, lightweight texture, and it is highly effective at reducing surface moisture on particles, which is the main cause of clumping in powdered materials such as salt, spices, and food mixes.
E553a Magnesium silicates large surface area enhances its moisture control ability.
This improves flowability and product consistency.
E553a Magnesium silicate functions primarily as a moisture absorber and anticaking agent, where it prevents powders from forming lumps by absorbing humidity and reducing direct contact between particles, especially in products that are exposed to fluctuating environmental conditions during transport and storage.
E553a Magnesium silicate works mainly through physical adsorption rather than chemical reaction.
This improves usability and shelf stability.
E553a Magnesium silicate is best described as a stable, inert mineral-based anticaking agent used to control moisture and improve powder flow in food and industrial applications, ensuring that dry products remain free-flowing, stable, and easy to handle over time.
E553a Magnesium silicate is also used in advanced powder formulation engineering, where it helps control how fine particles interact during mixing, because it reduces surface moisture and weak electrostatic attraction between particles, which otherwise causes powders to clump or segregate unevenly during blending in industrial mixers.
This makes it especially valuable in high-speed manufacturing systems where uniformity is critical.
E553a Magnesium silicate improves blending consistency and production stability.
In high-humidity supply chain environments, E553a Magnesium silicate plays an important role in maintaining product quality during long-distance transport, especially in regions where temperature changes cause condensation inside packaging, which can quickly degrade fine powders such as spices, salt blends, or powdered nutritional products.
Its moisture-buffering effect helps reduce damage during transit.
E553a Magnesium silicate improves logistics reliability and product preservation.
In tablet and capsule manufacturing in pharmaceuticals, it is used not only to improve flow but also to reduce sticking during compression, where powders may otherwise adhere to machine surfaces or create inconsistent tablet density, leading to defects in final dosage forms.
E553a Magnesium silicates inert nature ensures it does not interfere with active pharmaceutical ingredients.
This improves pharmaceutical production efficiency and product quality control.
In cosmetic powder science, E553a Magnesium silicate helps control how powders spread on the skin by improving particle separation and reducing clumping, which results in smoother application and more uniform coverage in products like face powders, blushes, and dry foundation systems.
This also helps improve product feel and finish.
E553a Magnesium silicate improves cosmetic texture and user experience.
In animal nutrition systems, it ensures that micro-ingredients such as vitamins, minerals, and additives remain evenly distributed in feed premixes, preventing nutrient “hot spots” or uneven dosing that could affect animal health or growth performance.
This is particularly important in industrial livestock production.
E553a Magnesium silicate improves feed safety and nutritional accuracy.
Melting point: 1910°C
Density: 3.21
storage temp.: Store at room temperature.
form: Powder
color: White to off-white
PH: 9.5 (100g/l, H2O, 20℃)(slurry)
Odor: at 100.00%. odorless
Water Solubility: Insoluble in water.
crystal system: Nogata
Space group: Pbca
Lattice constant:
a/nm: 1.8211
b/nm: 0.881
c/nm: 0.5203
α/o: 90
β/o: 90
γ/o: 90
V/nm3: —
Cosmetics Ingredients Functions: ANTICAKING; VISCOSITY CONTROLLING; BULKING; ABSORBENT; OPACIFYING
Cosmetic Ingredient Review (CIR): Magnesium silicate (1343-88-0)
InChI: InChI=1S/Mg.O3Si/c;1-4(2)3/q+2;-2
InChIKey: FKHIFSZMMVMEQY-UHFFFAOYSA-N
E553a Magnesium silicate is widely used in industrial powder handling systems, where it helps maintain consistent flow of fine materials during packaging, transport, and storage, especially in environments where humidity fluctuations can cause powders to compact or form bridges inside silos and processing equipment.
This makes it essential for maintaining uninterrupted production in large-scale manufacturing.
E553a Magnesium silicate improves industrial efficiency and material flow reliability.
In food manufacturing, particularly in dry seasoning blends and powdered foods, it is used to prevent clumping and ensure uniform distribution of ingredients, which is important for maintaining consistent taste and texture when the product is used by consumers.
E553a Magnesium silicate also helps maintain free-flowing behavior even after long storage periods.
E553a Magnesium silicate improves food quality and consumer experience.
E553a Magnesium silicate is used as an excipient to improve powder flow during tablet compression and capsule filling, ensuring that active ingredients are evenly distributed and that each dose has consistent weight and composition.
Its inert nature makes it suitable for sensitive formulations.
E553a Magnesium silicate improves dosage accuracy and pharmaceutical manufacturing reliability.
E553a Magnesium silicate is used in powders such as face powders and dry cosmetic products to improve texture, reduce clumping, and provide a smooth application by controlling moisture absorption and particle behavior.
It helps maintain product stability in varying environmental conditions.
E553a Magnesium silicate improves cosmetic performance and product consistency.
E553a Magnesium silicate is used as a drying and stabilizing agent for certain powdered materials, helping to reduce moisture content and maintain stability of reactive or hygroscopic compounds during storage.
Its role is primarily physical rather than chemical.
E553a Magnesium silicate improves process stability and material preservation.
E553a Magnesium silicate is used to keep powdered feed ingredients dry and evenly mixed, ensuring that nutrients and additives are distributed uniformly throughout the product.
This is important for maintaining consistent nutritional quality in large-scale animal feed production.
E553a Magnesium silicate improves feed uniformity and product stability.
In environmental and waste management systems, it can be used to stabilize fine particulate waste and reduce dust formation during handling and transport, making waste materials easier and safer to manage.
E553a Magnesium silicates inert properties help prevent unwanted chemical reactions.
E553a Magnesium silicate improves environmental safety and waste handling efficiency.
E553a Magnesium silicate is sometimes used in specialized insulating and fire-resistant materials due to its thermal stability and resistance to heat degradation.
This makes it useful in high-temperature and safety-focused building materials.
E553a Magnesium silicate improves building durability and fire resistance.
In materials science research, it is studied for its adsorption properties, layered structure, and moisture buffering behavior, which are important for developing advanced porous materials, filtration systems, and humidity-control technologies.
E553a Magnesium silicate serves as a model compound in mineral and surface chemistry studies.
E553a Magnesium silicate improves scientific understanding of adsorption and mineral behavior.
E553a Magnesium silicate is included in formulations designed to extend shelf life of powders by maintaining low humidity microenvironments inside sealed containers, reducing the need for additional desiccant systems in some cases.
This helps optimize packaging design for long-term storage.
E553a Magnesium silicate improves product preservation and packaging efficiency.
E553a Magnesium silicate helps maintain free-flowing behavior in absorbent powders used for oil spills, chemical cleanup, and industrial absorbents, ensuring they can be spread evenly and applied efficiently.
Its moisture resistance improves performance stability.
E553a Magnesium silicate improves industrial absorbent efficiency.
E553a Magnesium silicate is studied as a model mineral for understanding how layered silicate structures interact with water molecules, organic compounds, and gases, which is useful in developing filtration systems and humidity-control technologies.
This supports the design of advanced functional materials.
E553a Magnesium silicate improves scientific understanding of adsorption and surface chemistry.
In thermal insulation and fire-resistant material development, E553a Magnesium silicate contributes to composite materials that must maintain structural integrity under high temperatures, where its mineral stability helps reduce degradation and improve fire resistance.
This makes it useful in building and industrial safety materials.
E553a Magnesium silicate improves heat resistance and structural durability.
E553a Magnesium silicate is sometimes used in combination with other anticaking agents to optimize long-term storage performance, reducing the need for additional desiccants in some dry formulations by maintaining stable low-moisture conditions inside sealed packages.
This helps simplify packaging design and reduce material costs.
E553a Magnesium silicate improves packaging efficiency and product shelf life.
E553a Magnesium silicate is analyzed to understand natural formation processes of silicate minerals, helping scientists model how magnesium-rich minerals behave in earth systems under different temperature and pressure conditions.
This links industrial materials to natural geological systems.
E553a Magnesium silicate improves mineralogy research and earth science understanding.
Uses Of E553a Magnesium silicate:
E553a Magnesium silicate is a white powder that is insoluble in water and functions as an anticaking agent.
E553a Magnesium silicate is used in salt.
E553a Magnesium silicate is also a process- ing aid and adsorbent which functions as an anticaking agent and remover of undesirable proteins during filtration.
E553a Magnesium silicate is insoluble and a 10% slurry has a ph of approximately 7.0.
E553a Magnesium silicate aids in the processing of beverages, food products, and pharmaceuticals by removing pro- tein/tannin complex constituents through surface area and adsorp- tive effects.
Florisil was used as column packing material in column chromatography.
E553a Magnesium silicate was used as an adsorbent in gas chromatography with electron capture detector (GC/ECD), capillary column chromatography and adsorption column chromatography.
E553a Magnesium silicate was used in clean-up procedures in gas chromatography-tandem mass spectrometry 4 and GC-FID.
E553a Magnesium silicate is mainly used as a moisture absorber and anticaking agent because it prevents powders from absorbing water and forming lumps, ensuring that dry products remain free-flowing and easy to use.
In food powders (salt, spices, baking mixes), it is used to prevent clumping and maintain smooth flow.
E553a Magnesium silicate improves product quality and usability.
In industrial bulk powders, it is used to improve flow in storage and transport systems.
E553a Magnesium silicate improves manufacturing efficiency.
In pharmaceuticals and supplements, it is used as an excipient to improve powder flow and dosing accuracy.
E553a Magnesium silicate improves manufacturing reliability.
E553a Magnesium silicate is used to improve texture and prevent clumping in powder products.
This improves product performance.
In feed and pet food powders, it is used to maintain uniform mixing and dryness.
E553a Magnesium silicate improves nutritional consistency.
E553a Magnesium silicate is mainly used as a moisture absorber and anticaking agent because it prevents powders from absorbing water and sticking together, ensuring they remain free-flowing, stable, and easy to process.
In food powders (salt, spices, seasoning blends), it is used to prevent clumping and maintain smooth flow.
E553a Magnesium silicate improves product quality and usability.
In industrial bulk powders, it is used to improve flow in storage and transport systems.
This improves manufacturing efficiency.
In pharmaceuticals, it is used as an excipient to improve powder flow and tablet compression.
E553a Magnesium silicate improves dosing accuracy and production reliability.
In cosmetics, it is used to improve texture and application smoothness in powders.
E553a Magnesium silicate improves user experience.
In animal feed and supplements, it is used to ensure uniform mixing of nutrients.
E553a Magnesium silicate improves nutritional consistency.
E553a Magnesium silicate is mainly used as a moisture control and anticaking agent because it keeps powders dry and prevents them from sticking together, which helps products stay free-flowing and easy to use during storage and handling.
In food powders (salt, spices, seasoning blends, powdered drinks), it is used to prevent clumping and moisture damage.
This improves product quality and shelf life.
E553a Magnesium silicate industrial bulk powders, it is used to improve flow in silos, hoppers, and packaging systems.
This improves manufacturing efficiency and reduces blockages.
In pharmaceutical products, it is used as an excipient to improve powder flow during tablet and capsule production.
E553a Magnesium silicate improves dosing accuracy and production reliability.
In cosmetics, it is used in face powders and dry makeup products to improve texture and prevent clumping.
This improves application smoothness and product performance.
E553a Magnesium silicate is used to keep powders dry and evenly mixed.
E553a Magnesium silicate improves nutritional consistency and feed quality.
Safety Profile Of E553a Magnesium silicate:
E553a Magnesium silicate is used in oral pharmaceutical formulations and is generally regarded as an essentially nontoxic and nonirritant material.
E553a Magnesium silicate is generally considered a low-to-moderate hazard substance, mainly because it is chemically inert and non-reactive under normal conditions, but it can still pose physical risks due to its fine particulate form.
The main hazard is inhalation of dust, which may cause mild irritation of the respiratory system, especially in industrial settings where large quantities of powder are handled.
Long-term exposure should be controlled with ventilation and dust protection.
E553a Magnesium silicate requires workplace safety measures.
Skin contact is generally low risk, although prolonged exposure may cause mild dryness or irritation due to the powder’s physical nature rather than chemical toxicity.
Washing with water is sufficient in most cases.
E553a Magnesium silicate makes it relatively safe for handling.
Eye contact may cause mechanical irritation, since fine particles can irritate sensitive eye tissue even though the material is not chemically corrosive.
Protective eyewear is recommended in industrial environments.
E553a Magnesium silicate is not flammable, not chemically reactive, and does not produce hazardous decomposition products under normal conditions.
This improves storage and handling safety.
E553a Magnesium silicate is considered low risk, as it is a stable mineral that does not readily dissolve or bioaccumulate, but large releases of fine dust should still be minimized.
