Magnesium stearate can be soluble in hot aliphatic hydrocarbons, hot arene and hot grease but insoluble in alcohol and water with being decomposed into stearic acid and corresponding magnesium salts in case of acid.
Magnesium stearate has an excellent adhesion property to the skin with excellent lubrication property.
Magnesium stearate can be applied to powder products in cosmetics and can improve adhesion and lubrication.
CAS Number: 557-04-0
Molecular Formula: C36H70MgO4
Molecular Weight: 591.24
EINECS no: 209-150-3
Synonyms: MAGNESIUM STEARATE, 557-04-0, Magnesium octadecanoate, Magnesium distearate, Dibasic magnesium stearate, Octadecanoic acid, magnesium salt, Synpro 90, Petrac MG 20NF, Stearic acid, magnesium salt, magnesium(ii) stearate, NS-M (salt), SM-P, Magnesium stearate g, Synpro Magnesium Stearate 90, HSDB 713, Magnesii stearas, Magnesium distearate, pure, Magnesium stearate [JAN], EINECS 209-150-3, NP 1500, SM 1000, CHEBI:9254, AI3-01638, magnesium dioctadecanoate, UNII-70097M6I30, Magnesium stearate [JAN], Octadecanoic acid, magnesium salt (2:1), 70097M6I30, DTXSID2027208, MAGNESIUM STEARATE (II), MAGNESIUM STEARATE [II], C36H70MgO4, Magnesium Stearate NF, SCHEMBL935, Rashayan Magnesium Stearate, DTXCID307208, octadecanoic acid magnesium salt, Magnesium stearate (JP17/NF), MAGNESIUM STEARATE [MI], CHEMBL2106633, MAGNESIUM STEARATE [HSDB], MAGNESIUM STEARATE [INCI], Stearic Acid Magnesium(II) Salt, HQKMJHAJHXVSDF-UHFFFAOYSA-L, C18H36O2.1/2Mg, MAGNESIUM STEARATE [VANDF], HY-Y1054, MAGNESIUM STEARATE [WHO-DD], C18-H36-O2.1/2Mg, AKOS015915201, DB14077, LS-2392, MAGNESII STEARAS [WHO-IP LATIN], Octadecanoic acid magnesium salt (2:1), CS-0016049, FT-0602789, S0238, D02189, A830764
Magnesium Stearate is a white, water-insoluble powder.
Its applications exploit its softness, insolubility in many solvents, and low toxicity.
Magnesium stearate is typically produced through the reaction of magnesium salts with stearic acid.
The resulting compound is a fine powder with a slightly greasy texture.
Magnesium stearate is a magnesium salt of stearic acid. Essentially, it’s a compound containing two stearic acids and magnesium.
Magnesium stearate is a kind of fatty acid salt type anionic surfactant with its appearance being white powder with slight special smell and creamy feeling.
Magnesium stearate can be used as PVC heating stabilizers with the stability performance being similar to calcium stearate and can be combined with zinc or calcium soaps for being applied to food packaging material but without very wide application.
Magnesium stearate can be used as a mold releasing agent of plastic products, face powder of cosmetics, the raw material of skin ointment, the powder molding tablet of pharmaceutical tablets and translucent flatting agent of paint.
Laboratory, through the replacement reaction of sodium stearate and magnesium sulfate, is able to get finished product of magnesium stearate and can also apply the combination reaction between edible solid organic acids (stearic acid, palmitic acid) mixture and magnesium oxide compounds and further refinement to make it.
Magnesium stearate, also called octa decanoic acid, magnesium salt, is a white substance, powder which becomes solid at room temperature.
Magnesium stearate has the chemical formula Mg(C18H35O2)2.
It is a salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+).
Magnesium stearate melts at about 120 °C, is not soluble in water, and is generally considered safe for human consumption at levels below 2500 mg/kg per day.
Magnesium stearate is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.
Magnesium stearate can be applied to powder products in cosmetics and can improve adhesion and lubrication.
Magnesium stearate can be used as PVC heating stabilizers with the stability performance being similar to calcium stearate and can be combined with zinc or calcium soaps for being applied to food packaging material but without very wide application.
Magnesium stearate can be used as a mold releasing agent of plastic products, face powder of cosmetics, the raw material of skin ointment, the powder molding tablet of pharmaceutical tablets and translucent flatting agent of paint.
Laboratory, through the replacement reaction of sodium stearate and magnesium sulfate, is able to get finished product of magnesium stearate and can also apply the combination reaction between edible solid organic acids (stearic acid, palmitic acid) mixture and magnesium oxide compounds and further refinement to make it.
Magnesium stearate, also called octa decanoic acid, magnesium salt, is a white substance, powder which becomes solid at room temperature.
Magnesium stearate has the chemical formula Mg(C18H35O2)2.
It is a salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+).
Magnesium stearate melts at about 120 °C, is not soluble in water, and is generally considered safe for human consumption at levels below 2500 mg/kg per day.
Magnesium stearate (Mg-St) is the magnesium salt of stearic acid.
Its anhydrate, dihydrate and trihydrate forms have been prepared.
The tabletting of the blends of magnesium stearate and lactose granules has been described.
The influence of mixing time on hardness, disintegration time and ejection force on the compressed tablets was examined.
Magnesium stearate is widely used lubricant in pharmaceutical industry.
Magnesium stearate also plays a role in delaying the process of dissolution.
Magnesium stearates detection in tablets by laser-induced breakdown spectroscopy has been proposed.
Magnesium stearate is an additive that’s primarily used in medication capsules.
Magnesium stearate prevents the individual ingredients in a capsule from sticking to each other and the machine that creates the capsules.
It helps improve the consistency and quality control of medication capsules.
Magnesium stearate is a fine white powder with a slightly greasy feel to the touch.
Magnesium stearate is a white, odorless, and powdery substance that is widely used in various industries for its lubricating and anti-adhesive properties.
Magnesium stearate is the chemical compound with the formula Mg(C18H35O2)2.
It is a soap, consisting of salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+).
Magnesium stearateis insoluble in water, which contributes to its anti-adhesive properties.
Magnesium stearate is a compound composed of magnesium, a mineral, and stearic acid, a type of fatty acid.
Melting point:200 °C (lit.)
Density: 1.028g/cm3
storage temp.: Inert atmosphere,Room Temperature
solubility alcohol: insoluble
form: Fine Powder
color: White
PH: 7 (H2O) (slurry)
Odor: wh. soft oily powd., tasteless, odorless
Water Solubility: Insoluble
Merck: 14,5690
BRN: 3919702
Exposure limits ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
LogP: 8.216 (est)
Magnesium stearate is slightly soluble in water and soluble in hot ethanol.
Magnesium stearate is a compound of magnesium with a mixture of solid organic acids obtained from edible sources and consists chiefly of variable proportions of magnesium stearate and magnesium palmitate.
Magnesium stearate is a fatty acid, salt-type anionic surfactant with its appearance being white powder with a creamy feeling.
Magnesium stearate is a compound of magnesium with a mixture of solid organic acids obtained from edible sources and consists chiefly of variable proportions of magnesium stearate and magnesium palmitate.
It appears as bright white soft powder with the industrial products containing a small amount of oleic acid and 7% magnesium oxide and is odorless and tasteless.
It occurs as a fine, white, bulky powder having a faint, characteristic odor.
Magnesium stearate is often used as a anti-adherent in the manufacture of medical tablets, capsules and powders.
In this regard, Magnesium stearate is also useful, because it has lubricating properties, preventing ingredients from sticking to manufacturing equipment during the compression of chemical powders into solid tablets; magnesium stearate is the most commonly used lubricant for tablets.
Magnesium stearate is also used to bind sugar in hard candies like mints, and is a common ingredient in baby formulas.
In pure powder form, Magnesium stearate can be a dust explosion hazard, although this issue is effectively insignificant beyond the manufacturing plants using it.
Magnesium stearate is manufactured from both animal and vegetable oils.
Some nutritional supplements specify that the magnesium stearate used is sourced from vegetables.
Magnesium stearate is a major component of "bathtub rings."
When produced by soap and hard water, magnesium stearate and calcium stearate both form a white solid insoluble in water, and are collectively known as "soap scum.".
In pharmaceuticals, magnesium stearate helps prevent sticking during tablet and capsule production, allowing for efficient manufacturing processes.
Magnesium stearate anti-adhesive properties make it useful for preventing materials from sticking to surfaces, which is particularly important in industries where materials need to be easily released from molds or equipment.
In cosmetics and food products, magnesium stearate can improve the texture, binding, and emulsification of formulations.
In certain applications, Magnesium stearate can help stabilize emulsions and prevent separation of ingredients.
In response to concerns about the potential impact of magnesium stearate on nutrient absorption, some supplement manufacturers offer products with alternative lubricants or binding agents.
These alternatives can include vegetable-based stearates, silica, cellulose, and others.
Magnesium stearate is assigned the food additive number E572 in Europe.
Magnesium stearate's approved for use as an anti-caking agent, and it's commonly found in powdered food products like spices, seasoning blends, powdered drink mixes, and more.
By preventing clumping and enhancing flow, magnesium stearate improves the quality of powdered and granulated food products.
It also aids in maintaining the free-flowing nature of these products during packaging and storage.
Magnesium stearate is produced by the reaction of sodium stearate with magnesium salts or by treating magnesium oxide with stearic acid (Nora 2005).
Magnesium stearate can be produced through the following procedure: first get the sodium stearate through the saponification between stearic acid and sodium; then the sodium stearate has double decomposition reaction with magnesium sulfate to get the finished product. Stearic acid and water was added to the reaction pot and heated to 85 ℃, stirring to dissolve, slowly add them to the sodium hydroxide solution preheated to 75 ℃.
After the saponification reaction was completed, the temperature was controlled at 72 ℃ and slowly added to the magnesium sulfate solution preheated to 55 ℃ upon stirring.
After metathesis, apply centrifuge to remove the water.
The filtering cake was washed with water until sulfate ion requirement is met, then dry, apply air drying, sifting to obtain the finished products with the yield of stearic acid being 100%.
Magnesium stearate is produced through the combination reaction between magnesium oxide and food grade solid mixed fatty acids (mainly stearic acid) and further refinement.
Magnesium stearate is prepared either by the interaction of aqueous solutions of magnesium chloride with sodium stearate or by the interaction of magnesium oxide, hydroxide, or carbonate with stearic acid at elevated temperatures.
Magnesium stearate is found in many supplements because, during supplement manufacture, it makes it easier to work with certain ingredients, making them flow more evenly and preventing them, as well as tablets, from sticking to machines during production.
It is created from reacting stearate (from animal fats — often pig — or plant-based sources such as palm oil, coconut oil, or vegetable oil) with magnesium.
A very small amount is used in supplements, and it typically comprises less than 1% of a total formulation — less than 20 mg.
Magnesium stearate's in a product, you'll see it included in the "Other Ingredients" section of supplement labels.
Magnesium stearate is a salt that is produced when a magnesium ion bonds with two stearate molecules.
Stearate is just the anion form of stearic acid.
Magnesium stearate is a long-chain saturated fat that is abundant in beef, cocoa butter, coconut oil, and other natural foods.
Concerns have been raised that magnesium stearate can have negative effects, such as raising cholesterol levels, suppressing the immune system, creating biofilms in the body, and causing allergic reactions
Magnesium stearate is unctuous and is free from grittiness.
It is insoluble in water, in alcohol, and in ether.
It conforms to the regulations of the U.S. Food and Drug Administration pertaining to specifications for salts of fatty acids derived from edible fat sources.
Uses:
Magnesium stearate is often used as an anti-adherent in the manufacture of medical tablets, capsules and powders.
In this regard, the substance is also useful because it has lubricating properties, preventing ingredients from sticking to manufacturing equipment during the compression of chemical powders into solid tablets; magnesium stearate is the most commonly used lubricant for tablets.
However, it might cause lower wettability and slower disintegration of the tablets and slower and even lower dissolution of the drug.
Magnesium stearate can also be used efficiently in dry coating processes.
Magnesium stearate is most commonly used in supplement manufacturing as a “flow agent,” which helps ensure that the equipment runs smoothly and the ingredients stay blended together in the correct proportions. It can also be found in some cosmetics.
In the production of pressed candies, magnesium stearate serves as a release agent.
Magnesium stearate is also used to bind sugar in hard candies such as mints.
The concentration of magnesium stearate used in various applications can vary depending on the intended purpose.
In pharmaceuticals, for instance, small percentages are typically used to avoid negatively impacting the dissolution properties of the active ingredients.
In some applications, magnesium stearate is also used in the coating of tablets.
This can serve various purposes such as improving swallowability and masking unpleasant tastes or odors.
In pharmaceutical and dietary supplement manufacturing, the choice of lubricant and Magnesium stearates quantity is carefully controlled to ensure consistent quality and performance of the final product.
Magnesium stearate has been widely used for many decades in the food industry as an emulsifier, binder and thickener, as well as an anticaking, lubricant, release, and antifoaming agent.
It is present in many food supplements, confectionery, chewing gum, herbs and spices, and baking ingredients.
Magnesium stearate is also commonly used as an inactive ingredient in the production of pharmaceutical tablets, capsules and powders.
The main reason for Magnesium stearate good lubricating properties is its hydrophobic nature and an ability to reduce friction between tablets and die wall during the ejection process.
Magnesium stearate can be regarded as being non-toxic, the United States, Germany and Japan allow it to be applied to products being contact with food.
However, it doesn’t have wide application to be applied as PVC heat stabilizers.
One of the most common uses of magnesium stearate is in the pharmaceutical industry.
Magnesium stearate is used as a lubricant and flow agent in the manufacturing of tablets and capsules.
By reducing friction between the tablet/capsule material and the manufacturing equipment, magnesium stearate helps ensure smooth and consistent production processes.
In cosmetics and personal care products, magnesium stearate is used as a texturizer, binder, and emulsifier.
Magnesium stearate helps improve the texture and consistency of products like powders, creams, and lotions.
Magnesium stearate is approved as a food additive in some regions and can be used as an anti-caking agent and lubricant in powdered and granulated food products.
Magnesium stearate prevents ingredients from clumping together and improves their flow properties.
Magnesium stearate can also be used in industrial applications as a release agent and anti-adherent in the manufacturing of rubber, plastics, and various other materials.
Safety Profile:
Magnesium stearate is widely used as a pharmaceutical excipient and is generally regarded as being nontoxic following oral administration.
However, oral consumption of large quantities may produce a laxative effect or mucosal irritation.
No toxicity information is available relating to normal routes of occupational exposure.
Limits for heavy metals in magnesium stearate have been evaluated in terms of magnesium stearate worstcase daily intake and heavy metal composition.
Toxicity assessments of magnesium stearate in rats have indicated that it is not irritating to the skin, and is nontoxic when administered orally or inhaled.
Magnesium stearate has not been shown to be carcinogenic when implanted into the bladder of mice.