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Magnesium stearate information


Magnesium stearate
Names
IUPAC name
Magnesium octadecanoate
Identifiers
CAS Number
  • 557-04-0 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:9254 checkY
ChemSpider
  • 10704 checkY {CH}
ECHA InfoCard 100.008.320 Edit this at Wikidata
E number E572 (acidity regulators, ...)
PubChem CID
  • 11177
UNII
  • 70097M6I30 checkY
CompTox Dashboard (EPA)
  • DTXSID2027208 Edit this at Wikidata
InChI
  • InChI=1S/2C18H36O2.Mg/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2 checkY
    Key: HQKMJHAJHXVSDF-UHFFFAOYSA-L checkY
  • InChI=1/2C18H36O2.Mg/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
    Key: HQKMJHAJHXVSDF-NUQVWONBAM
SMILES
  • [Mg+2].[O-]C(=O)CCCCCCCCCCCCCCCCC.[O-]C(=O)CCCCCCCCCCCCCCCCC
Properties
Chemical formula
Mg(C
18
H
35
O
2
)
2
Molar mass 591.27 g/mol
Appearance light white powder
Odor slight
Density 1.026 g/cm3
Melting point 88.5 °C (191.3 °F; 361.6 K)
Solubility in water
0.003 g/100 mL (15 °C)
0.004 g/100 mL (25 °C)
0.008 g/100 mL (50 °C)
Solubility negligible in ether and alcohol
slightly soluble in benzene
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
1
0
Flash point 250 °C (482 °F; 523 K)
Lethal dose or concentration (LD, LC):
LD50 (median dose)
> 1000 mg/kg (oral, rat)
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Magnesium stearate is the chemical compound with the formula Mg(C
18
H
35
O
2
)
2
. It is a soap, consisting of salt containing two equivalents of stearate (the anion of stearic acid) and one magnesium cation (Mg2+). Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents, and low toxicity. It is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.[1]

  1. ^ Angelo Nora, Alfred Szczepanek, Gunther Koenen, "Metallic Soaps" in Ullmann's Encyclopedia of Industrial Chemistry 2005 Wiley-VCH, Weinheim. doi:10.1002/14356007.a16_361

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Magnesium stearate

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Magnesium stearate is the chemical compound with the formula Mg(C 18H 35O 2) 2. It is a soap, consisting of salt containing two equivalents of stearate...

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Calcium stearate

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of its applications. Related applications exist for the magnesium stearate. Calcium stearate is used as a flow agent and surface conditioner in some candies...

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Stearic acid

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Potassium stearate Calcium stearate Cobaltous stearate Lithium stearate Magnesium stearate Mercuric stearate Sodium stearate Zinc stearate Esters Estradiol...

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Excipient

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to help protect tablets from sticking. The most commonly used is magnesium stearate. Binders hold the ingredients in a tablet together. Binders ensure...

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Soap scum

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Soap scum or lime soap is the white solid composed of calcium stearate, magnesium stearate, and similar alkaline earth metal derivatives of fatty acids...

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Magnesium

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a mild sedative (this action is due to the bromide, not the magnesium). Magnesium stearate is a slightly flammable white powder with lubricating properties...

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Migraleve

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phosphate 8 mg and buclizine hydrochloride 6.25 mg. Other ingredients: magnesium stearate, colloidal anhydrous silica, stearic acid, pregelatinised maize starch...

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Tapioca pearl

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(Anhydrous) Sodium Carbonate, Magnesium Carbonate, Ammonium Sulfate, Sodium Sulfate, Magnesium stearate, Magnesium Sulfate, Magnesium Chloride, Monobasic Ammonium...

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Release agent

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papers Food-grade release and packaging papers Release agents (e.g., magnesium stearate) are added to powdered and granulated drug compositions, to serve...

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Alprazolam

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docusate sodium, povidone, sodium starch glycolate, lactose monohydrate, magnesium stearate, colloidal silicon dioxide, and sodium benzoate. In addition, the...

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Anticaking agent

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the UN. 341 tricalcium phosphate 460(ii) powdered cellulose 470b magnesium stearate 500 sodium bicarbonate 535 sodium ferrocyanide 536 potassium ferrocyanide...

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Lorazepam

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brand also contain lactose, microcrystalline cellulose, polacrilin, magnesium stearate, and coloring agents (indigo carmine in blue tablets and tartrazine...

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Clarithromycin

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tablets, including microcrystalline cellulose, sodium croscarmellose, magnesium stearate, and povidone[citation needed] Clarithromycin should not be used by...

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Glidant

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Examples of glidants include ascorbyl palmitate, calcium palmitate, magnesium stearate, fumed silica (colloidal silicon dioxide), starch and talc. A glidant's...

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ExtenZe

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dextrose monohydrate, lecithin, maltodextrin, Macrogol/PEG 400, magnesium stearate, and silica. Although the company claims that the product is completely...

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Corvalol

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Peppermint oil — 0.88 mg Inactive ingredients: lactose monohydrate, magnesium stearate, β-cyclodextrin, acesulfame potassium. Phenobarbital, one of the principal...

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Metallic soap

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soap scum but the pure materials have a variety of uses. Magnesium stearate and calcium stearate are used as excipients, lubricants, release agents, and...

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Diluent

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common diluents in tablets include starch, cellulose derivatives, and magnesium stearate (a lubricant). (See also Excipient.) Diluents are also used in vaccines...

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Suture materials comparison chart

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a glycerol containing solution and chromic acid salts Coated with magnesium stearate Uncoated Type of adsorption Proteolytic enzymatic digestion complete...

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Animal products in pharmaceuticals

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and is a frequently used filler or binder in tablets and capsules. Magnesium stearate is the most commonly used emulsifier, binder, thickener, or lubricant...

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International Numbering System for Food Additives

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enzymatically hydrolyzed carboxymethyl cellulose emulsifier 470 A U magnesium stearate emulsifier, stabiliser 470a E U sodium, potassium and calcium salts...

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Polyglycolide

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extremely smooth, soft and safe for knotting. It is also coated with magnesium stearate and finally sterilized with ethylene oxide gas. It is naturally degraded...

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Ketonic decarboxylation

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can be produced from valeric acid. Stearone is prepared by heating magnesium stearate. An example of intramolecular ketonization is the conversion of adipic...

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Perampanel

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substituted hydroxypropyl cellulose, povidone, microcrystalline cellulose, magnesium stearate, hypromellose, polyethylene glycol, talc, and titanium dioxide in...

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Atomic force microscopy

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interaction forces between power particles. Application to silice gel-magnesium stearate mixtures". Applied Surface Science. 255 (17): 7500–7507. Bibcode:2009ApSS...

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List of food additives

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anti-caking agent Magnesium salts of fatty acids – emulsifier, stabiliser, anti-caking agent Magnesium silicate – anti-caking agent Magnesium stearate – emulsifier...

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Rolaids

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calcium carbonate (550 mg) and magnesium hydroxide (110 mg). The inactive ingredients are dextrose, flavoring, magnesium stearate, polyethylene glycol, pregelatinized...

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Orally disintegrating tablet

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challenging. Typically, as in most tablet blends, lubricants such as magnesium stearate are added to the blend to reduce the amount of material that may stick...

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