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557-04-0 - Magnesium stearate - Stearic acid magnesium salt - A16244 - Alfa Aesar

A16244 Magnesium stearate

CAS Number
557-04-0
Synonyms
Stearic acid magnesium salt

Size Price ($) Quantity Availability
250g 34.83
1000g 110.70
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Magnesium stearate

MDL
MFCD00036391
EINECS
209-150-3

Chemical Properties

Formula
[CH3(CH2)16CO2]2Mg
Formula Weight
591.27
Melting point
148-152°
Solubility
Slightly soluble in benzene. Insoluble in water, alcohol and ether.

Applications

Magnesium stearate is involved in the production of medical tablets, capsules, powders and polymer formulation. It is also used as a lubricant for tablets, anti-adherent, in dry coating and as a binding agent. It is an important ingredient in baby formulas. Further, it is used in the hydrogenation process. In addition to this, it is used to bind the sugar in hard candies like mints.

Notes

Incompatible with strong oxidizing agents, acids and alkalis.

Literature References

Lebeau, D.; Beuvier, L.; Cornaton, M.; Miserque, F.; Tabarant, M.; Esnouf, S.; Ferry, M. Aging of magnesium stearate under high doses gamma irradiation and oxidative conditions. J. Nucl. Mater. 2015, 460, 130-138.

Haware, R. V.; Shivagari, R.; Johnson, P. R.; Staton, S.; Stagner, W. C.; Gupta, M. R. Application of Multivariate Methods to Evaluate the Functionality of Bovine- and Vegetable-Derived Magnesium Stearate. J. Pharm. Sci. 2014, 103 (5), 1466-1477.

GHS Hazard and Precautionary Statements

Hazard Statements: H413

May cause long lasting harmful effects to aquatic life.

Precautionary Statements: P273-P501a

Avoid release to the environment. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,5690
Harmonized Tariff Code
2915.70
TSCA
Yes
RTECS
WI4390000

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