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Aluminum Stearate

Excipient (pharmacologically inactive substance)

What is it?

Aluminum Stearate (C54H105AlO6) exists as white powder and is an aluminum salt of stearic acid. In the pharmaceutical industry, it is used as an anticaking agent; colorant; emulsion stabilizer; and viscosity increasing agent. According to the FDA, aluminum stearate is considered safe for general or specific, limited use in food. Aluminum stearate is not classifiable as a human carcinogen (cancer-causing agent).

[1] NCBI. PubChem. Stearic acid compound summary. Accessed January 10, 2014. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=12496&loc=ec_rcs#itabs-2d

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