Hexadecyl hexadecanoate, also known as cetyl palmitate, is the ester derived from hexadecanoic acid and 1-hexadecanol. This white waxy solid is the primary constituent of spermaceti, the once highly prized wax found in the skull of sperm whales.[2] Cetyl palmitate is a component of some solid lipid nanoparticles.
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| Names | |
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| Preferred IUPAC name
Hexadecyl hexadecanoate | |
| Other names
Palmityl palmitate
Palmitic acid palmityl ester Palmitic acid hexadecyl ester Palmitic acid cetyl ester n-hexadecyl palmitate Palmatic acid n-hexadecyl ester | |
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3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.007.943 |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| C32H64O2 | |
| Molar mass | 480.862 g·mol−1 |
| Appearance | Colourless wax |
| Melting point | 54 °C (129 °F; 327 K)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Stony corals, which build the coral reefs, contain large amounts of cetyl palmitate wax in their tissues, which may function in part as an antifeedant.[3]
Applications
editCetyl palmitate is used in cosmetics as a thickener and emulsifier.[4]
References
edit- ^ http://www.sciencelab.com/msds.php?msdsId=9923365 [dead link]
- ^ Wilhelm Riemenschneider and Hermann M. Bolt "Esters, Organic" Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a09_565.pub2
- ^ Dobretsov, S.; Al-Wahaibi, A. S. M.; Lai, D.; Al-Sabahi, J.; Claereboudt, M.; Proksch, P.; Soussi, B., "Inhibition of Bacterial Fouling by Soft Coral Natural Products", International Biodeterioration & Biodegradation 2015, volume 98, 53-58. doi:10.1016/j.ibiod.2014.10.019
- ^ "Cetyl Palmitate for Skin - is It Safe? | Skincare Lab". 10 July 2020.
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