Magnesium Stearate - Materials / Alfa Chemistry

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Magnesium Stearate

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Catalog Number

ACMA00014343

Product Name

Magnesium Stearate

Category

Glass Additives

Description

Magnesium stearate, with chemical formula C36H70MgO4 and molecular weight of 591.24, is an organic compound. It is a white, sand-free fine powder with a greasy feeling in contact with the skin. Insoluble in water, ethanol or ether, it is mainly used as lubricant, anti-sticking agent and glidant. It is especially suitable for the granulation of oil and extract medicines, and the granules made have good fluidity and compressibility. Used as a glidant in direct compression. It can also be used as a filter aid, a clarifying agent and a foaming agent, as well as a suspending agent and thickening agent for liquid preparations.

IUPAC Name

magnesium;octadecanoate

Molecular Weight

591.2g/mol

Molecular Formula

C36H70MgO4

Canonical SMILES

CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mg+2]

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

InChI Key

HQKMJHAJHXVSDF-UHFFFAOYSA-L

Melting Point

200ºC

Flash Point

162.4ºC

Density

1.028 g/cm³

Solubility

insoluble in water, ethanol

Appearance

White, sand-free fine powder

Color/Form

LUMPS;Fine, bulky, white powder;Soft, white, light powder

Complexity

196

Covalently-Bonded Unit Count

EC Number

209-150-3

Exact Mass

590.512452g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1403

MeSH Entry Terms

aluminum monostearate;aluminum tristearate;ammonium stearate;calcium stearate;magnesium stearate;octadecanoic acid;sodium stearate;stearic acid;zinc stearate

Monoisotopic Mass

590.512452g/mol

Odor

Odorless;Faint, characteristic odor

Other Experimental

Decomposed by dilute acids;MP: 132 °C /Technical/

Packaging

25 kg

Rotatable Bond Count

RTECS Number

WI4390000

UNII