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E343 Magnesium phosphates is an approved European food additive that includes monomagnesium, dimagnesium, and trimagnesium phosphates.
E343 Magnesium phosphates acts as an acidity regulator, anti-caking agent, and stabilizer.
E343 Magnesium phosphates used in baked goods, powdered mixes, and nutritional supplements, it helps fortify foods while preserving texture and moisture.
CAS Number: 13092-66-5
Molecular Formula: H12MgO12P2
Molecular Weight: 290.34
EINECS Number: 236-004-6
Synonyms: magnesium dihydrogen phosphate, 13092-66-5, Magnesium phosphate, monobasic, magnesium biphosphate, Phosphoric acid, magnesium salt (2:1), monobasic magnesium phosphate, AA2L7VX59K, Magnesium bis(dihydrogenorthophosphate), MAGNESIUM PHOSPHATE MONOBASIC, EINECS 236-004-6, Magnesium phosphate, monobasic, anhydrous, MAGNESIUM DIHYDROGEN ORTHOPHOSPHATE, ACID MAGNESIUM PHOSPHATE, INS NO.343(I), EC 236-004-6, MAGNESIUM DIBASIC PHOSPHATE, MAGNESIUM PRIMARY PHOSPHATE, MONOMAGNESIUM ORTHOPHOSPHATE, PRIMARY MAGNESIUM PHOSPHATE, INS-343(I), MAGNESIUM PHOSPHATE (1:2), MAGNESIUM BIS(ORTHOPHOSPHATE), MAGNESIUM PHOSPHATE MONO BASIC, MONOMAGNESIUM DIHYDROGEN PHOSPHATE, E-343(I), MAGNESIUM PHOSPHATE (MG(H2PO4)2), MAGNESIUM PHOSPHATE, MONOBASIC [MI], MAGNESIUM PHOSPHATE MONOBASIC [WHO-DD], MAGNESIUM ORTHOPHOSPHATE (MG(H2PO4)2), MAGNESIUM HYDROGEN PHOSPHATE (MG(H2PO4)2), MAGNESIUM HYDROGEN PHOSPHATE (MGH4(PO4)2), RefChem:800563, MAGNESIUM PHOSPHATE, MONOBASIC, UNSPECIFIED, magnesium;dihydrogen phosphate, Magnesium monophosphate, MAGNESIUM BIS(DIHYDROGEN PHOSPHATE)TETRAHYDRATE, UNII-AA2L7VX59K, SCHEMBL134059, DTXSID00872542, Magnesium bis(dihydrogen phosphate), DB-230612, NS00129661, Q4161317, magnesiumbis(dihydrogenorthophosphate);Phosphoricacid,magnesiumsalt(2:1);MAGNESIUM ACID PHOSPHATE;MAGNESIUM BIPHOSPHATE;MAGNESIUM BIS(DIHYDROGEN PHOSPHATE)TETRAHYDRATE;MAGNESIUM PHOSPHATE DIHYDRATE;MAGNESIUM PHOSPHATE MONOBASIC;MAGNESIUM PHOSPHATE MONOBASIC TETRAHYDRATE
E343 Magnesium phosphates are a group of magnesium salts of phosphoric acid, including mono-, di-, and tri-magnesium phosphate forms, and they are used mainly as acidity regulators, anti-caking agents, stabilizers, mineral supplements, and emulsifying agents in food and industrial applications because they help control pH, prevent clumping, stabilize formulations, and supply magnesium.
They are widely used in powdered and processed products.
E343 Magnesium phosphates improves stability, flowability, and mineral balance.
E343 Magnesium phosphates consist of magnesium ions (Mg²⁺) combined with phosphate groups (PO₄³⁻) in different ratios depending on the specific form, which gives them varying solubility and buffering properties.
Some forms are more water-soluble than others, affecting how they behave in formulations.
E343 Magnesium phosphates improves formulation flexibility and pH control.
E343 Magnesium phosphates appear as white crystalline powders or granules, usually odorless and stable under normal storage conditions.
Their solubility ranges from slightly soluble to practically insoluble in water depending on the phosphate type.
This influences whether they are used for rapid or controlled-release functions.
E343 Magnesium phosphates improves processing versatility and handling stability.
E343 Magnesium phosphates acts mainly as a buffering and stabilizing system, helping maintain consistent acidity, prevent ingredient separation, and reduce moisture-related clumping in powders.
Magnesium content also gives it nutritional relevance in fortified foods and supplements.
E343 Magnesium phosphates improves product stability and nutritional functionality.
E343 Magnesium phosphates are best described as multifunctional magnesium salts of phosphoric acid used to regulate acidity, prevent caking, stabilize formulations, and provide magnesium in food, pharmaceutical, cosmetic, and industrial systems.
E343 Magnesium phosphates are widely used in powdered food systems, where their anti-caking properties help prevent moisture-induced clumping by absorbing or reducing surface moisture interactions between particles, keeping powders free-flowing during storage and transport.
E343 Magnesium phosphates is especially important in dry beverage mixes, spices, and powdered supplements.
This improves flowability and storage stability.
E343 Magnesium phosphates function as emulsifying salts that help stabilize fat–water interactions, preventing separation and maintaining a smooth, uniform texture in processed products.
They also help regulate mineral balance in dairy formulations.
This improves texture stability and product consistency.
In food fortification and nutritional products, they are used as a source of magnesium, an essential mineral involved in muscle function, nerve signaling, and enzyme activity in the human body.
Their relatively stable nature makes them suitable for fortified foods and dietary supplements.
This improves nutritional value and mineral supplementation.
In buffering systems, magnesium phosphates help maintain stable pH conditions in products where acidity changes could damage texture, flavor, or active ingredients, especially in processed foods and pharmaceutical formulations.
Their phosphate system provides moderate buffering capacity.
E343 Magnesium phosphates improves chemical stability and formulation control.
E343 Magnesium phosphates are used as excipients and mineral sources in tablets, powders, and supplements, where they help control acidity and improve stability of active compounds.
Some forms are also used in antacid-related applications.
E343 Magnesium phosphates improves formulation stability and mineral delivery.
E343 Magnesium phosphates help stabilize formulations and maintain pH in creams, powders, and skin-care products, supporting ingredient performance and shelf life.
They also contribute to texture and moisture control in some formulations.
E343 Magnesium phosphates improves product consistency and stability.
In industrial processing systems, E343 Magnesium phosphates are used in ceramic, material, and chemical applications where phosphate–magnesium interactions help regulate setting, stabilization, or mineral balance.
Their thermal stability makes them useful in certain high-temperature processes.
E343 Magnesium phosphates improves industrial durability and process performance.
E343 Magnesium phosphates are relevant because both magnesium and phosphate are biologically essential ions involved in energy metabolism, ATP function, and skeletal structure.
This gives them physiological importance beyond simple food additive roles.
E343 Magnesium phosphates improves metabolic relevance and nutritional science understanding.
E343 Magnesium phosphates can participate in mineral cycling and are generally considered low environmental risk, though excessive phosphate release in large quantities may contribute to nutrient imbalance in aquatic systems.
This makes phosphate management important industrially.
E343 Magnesium phosphates improves environmental monitoring and sustainability awareness.
In food texture and stability science, E343 Magnesium phosphates are studied for how they interact with proteins, starches, and hydrocolloids, affecting firmness, viscosity, and emulsion behavior in processed foods.
This helps optimize texture and shelf-life performance.
E343 Magnesium phosphates improves formulation design and texture engineering.
Density: 1.56（20℃）
Odor: at 100.00%. odorless
Water Solubility: soluble H2O, acids; insoluble alcohol [HAW93]
LogP: -2.148 (est)
E343 Magnesium phosphates are food additives that act as acidity correctors, sequestering, stabilising (water retaining and thickening) and flavouring agents.
E343 Magnesium phosphates act as buffering, neutralising and organic antioxidants.
E343 Magnesium phosphates are also important in mineral balance and ionic stabilization systems, because magnesium and phosphate ions both play central roles in biological and chemical equilibrium processes, allowing these compounds to influence buffering behavior, mineral interactions, and structural stability in complex formulations.
This dual-ion functionality makes them highly versatile additives.
E343 Magnesium phosphates improves formulation flexibility and stability control.
In powder engineering and dry product technology, E343 Magnesium phosphates are valued because they reduce particle adhesion caused by moisture absorption, helping powders remain free-flowing even under humid storage conditions.
This is especially important in instant drink mixes, spice blends, protein powders, and powdered dairy products.
E343 Magnesium phosphates improves handling efficiency and shelf stability.
E343 Magnesium phosphates are used because phosphate salts help disperse proteins and stabilize fat–water systems, while magnesium contributes to mineral balance, resulting in smoother texture and more uniform melting behavior.
This helps maintain consistent product performance during heating.
E343 Magnesium phosphates improves emulsion stability and texture quality.
E343 Magnesium phosphates are useful because they provide magnesium in a relatively stable form while simultaneously contributing phosphate, both of which are essential for bone structure, ATP-related energy metabolism, and enzyme activity in the human body.
This makes them valuable in functional foods and supplements.
E343 Magnesium phosphates improves nutritional functionality and mineral supplementation.
E343 Magnesium phosphates are used as excipients and mineral carriers because they help regulate tablet hardness, disintegration, and stability while also supporting pH buffering in oral dosage forms.
They can also reduce moisture sensitivity in some formulations.
E343 Magnesium phosphates improves pharmaceutical stability and manufacturing performance.
E343 Magnesium phosphates are important because phosphate systems naturally resist sudden pH changes, and magnesium ions can further influence ionic equilibrium and solubility behavior in aqueous systems.
This makes them effective in formulations requiring stable pH over long storage periods.
E343 Magnesium phosphates improves buffering performance and chemical consistency.
E343 Magnesium phosphates systems are used in fast-setting cements and specialty materials because they can form durable mineral networks with high thermal and chemical stability.
Some magnesium phosphate cements are valued for rapid curing and strong adhesion.
E343 Magnesium phosphates improves structural durability and industrial performance.
E343 Magnesium phosphates are highly relevant because magnesium is required for ATP activation and phosphate transfer reactions in living organisms, meaning these compounds are closely connected to fundamental cellular energy processes.
This gives them strong biological relevance beyond industrial use.
E343 Magnesium phosphates improves biochemical significance and metabolic understanding.
E343 Magnesium phosphates can help immobilize certain metal ions or contribute to nutrient cycling in soils, though excessive phosphate release into waterways can promote eutrophication and algae growth.
This makes phosphate management environmentally important.
E343 Magnesium phosphates improves sustainability awareness and environmental control.
E343 Magnesium phosphates are studied for how they interact with proteins, starches, and hydrocolloids, influencing viscosity, firmness, melting behavior, and water retention in processed foods.
These interactions are critical in modern processed food design.
This improves texture engineering and product optimization.
E343 Magnesium phosphates are preferred because they are chemically stable, inexpensive, and compatible with many ingredients, allowing manufacturers to use them across a wide range of formulations without major process complications.
This makes them industrially efficient additives.
E343 Magnesium phosphates improves scalability and production reliability.
Uses:
E343 Magnesium phosphates are mainly used as acidity regulators, anti-caking agents, stabilizers, emulsifiers, and magnesium sources because they help control pH, prevent clumping, stabilize texture, and provide essential minerals.
In powdered food products, they are used to prevent caking and maintain free-flowing texture.
This improves storage stability and handling.
In processed cheese and dairy products, they are used as emulsifying salts.
E343 Magnesium phosphates improves texture and prevents separation.
In fortified foods and supplements, they are used as a magnesium source.
E343 Magnesium phosphates improves nutritional value and mineral intake.
In pharmaceutical formulations, they are used for buffering and stabilization.
E343 Magnesium phosphates improves product stability and performance.
In industrial and cosmetic systems, they are used to stabilize formulations and control moisture interactions.
E343 Magnesium phosphates improves consistency and shelf life.
E343 Magnesium phosphates are mainly used as anti-caking agents, acidity regulators, stabilizers, emulsifiers, and magnesium sources because they help control pH, prevent clumping, stabilize formulations, and supply essential minerals.
In powdered food products, they are used to prevent caking and improve free-flowing behavior.
E343 Magnesium phosphates improves storage stability and handling.
In processed cheese and dairy systems, they are used as emulsifying salts.
E343 Magnesium phosphates improves texture and prevents fat separation.
In fortified foods and supplements, they are used as a magnesium source.
This improves nutritional value and mineral intake.
In pharmaceutical formulations, they are used for buffering, stabilization, and tablet formulation support.
E343 Magnesium phosphates improves stability and manufacturing performance.
In industrial and cosmetic systems, they are used to stabilize formulations and control moisture interactions.
E343 Magnesium phosphates improves consistency and shelf life.
E343 Magnesium phosphates are mainly used as acidity regulators, anti-caking agents, stabilizers, emulsifiers, and magnesium sources because they help control pH, prevent clumping, stabilize textures, and supply magnesium in food and industrial systems.
E343 Magnesium phosphates are used as anti-caking agents to reduce moisture-related clumping and keep powders free-flowing in products such as drink mixes, spices, powdered dairy products, and supplements.
E343 Magnesium phosphates improves storage stability and handling performance.
In processed cheese and dairy systems, they are used as emulsifying salts that help stabilize fat–water mixtures and maintain smooth texture during processing and heating.
E343 Magnesium phosphates improves texture consistency and prevents separation.
In fortified foods and dietary supplements, they are used as a source of magnesium, an essential mineral involved in muscle function, enzyme activity, and energy metabolism.
This improves nutritional value and mineral supplementation.
E343 Magnesium phosphates are used as buffering and stabilizing agents in tablets, powders, and liquid systems, helping maintain stable pH and improve formulation performance.
This improves product stability and manufacturing reliability.
In cosmetic and industrial formulations, they are used to stabilize mixtures, regulate moisture interactions, and improve consistency in powdered and liquid systems.
This improves shelf life, formulation control, and processing efficiency.
E343 Magnesium phosphates are mainly used as anti-caking agents, acidity regulators, emulsifiers, stabilizers, and magnesium supplements because they help control pH, prevent powder clumping, stabilize emulsions, and provide magnesium in a chemically stable form.
In powdered food and beverage products, they are used to prevent caking by reducing moisture-related particle sticking, helping products such as powdered drinks, spices, coffee creamers, and protein powders remain free-flowing during storage and transport.
E343 Magnesium phosphates improves handling efficiency and shelf stability.
In processed cheese and dairy products, they are used as emulsifying salts that help disperse proteins and stabilize fat–water systems, ensuring smooth melting behavior and consistent texture during heating and processing.
This improves texture quality and product uniformity.
In fortified foods and nutritional supplements, they are used as a magnesium source because magnesium is essential for muscle function, nerve signaling, enzyme activity, and energy metabolism.
This improves nutritional enrichment and mineral intake.
In pharmaceutical products, they are used as buffering and stabilizing agents in tablets, capsules, powders, and liquid formulations, helping maintain pH stability and support proper formulation performance during storage.
E343 Magnesium phosphates improves drug stability and manufacturing consistency.
E343 Magnesium phosphates are used in specialty cements, ceramics, and chemical systems where phosphate–magnesium interactions contribute to fast setting, structural stability, or controlled mineral reactions.
E343 Magnesium phosphates improves durability and industrial performance.
In cosmetic and personal care products, they are used to stabilize formulations, regulate moisture interactions, and maintain consistent texture in powders and creams.
Safety Profile:
E343 Magnesium phosphates are generally considered a low hazard additive, though excessive exposure to dust or excessive phosphate intake may cause mild health concerns under certain conditions.
The main hazard is mild irritation of skin, eyes, and respiratory system, especially from powder exposure during industrial handling.
Protective equipment is recommended.
This improves workplace safety.
Skin contact is generally low risk, though prolonged exposure may cause slight dryness or irritation.
Washing with water is sufficient.
Eye contact may cause moderate irritation, especially from airborne powder.
Eye protection is recommended.
Inhalation of dust may cause temporary respiratory irritation, particularly in poorly ventilated environments.
Dust control measures are recommended.
E343 Magnesium phosphates is not flammable and is stable under normal storage conditions.
E343 Magnesium phosphates improves handling safety.
From a toxicological perspective, magnesium phosphates are considered safe within regulated limits, though excessive phosphate consumption over long periods may contribute to mineral imbalance in sensitive individuals, particularly those with kidney-related conditions.
E343 Magnesium phosphates requires controlled dietary intake.
From an environmental perspective, they are generally low risk, but large phosphate releases into water systems can contribute to eutrophication (excess nutrient growth in aquatic environments).
E343 Magnesium phosphates improves environmental management awareness.
