Stearyl alcohol

Stearyl alcohol[1]
Names
	IUPAC name Octadecan-1-ol
	Other names Octadecyl alcohol, stearyl alcohol
Identifiers
CAS Number	112-92-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:32154 ;
ChEMBL	ChEMBL24640 ;
ChemSpider	7928 ;
ECHA InfoCard	100.003.652
PubChem CID	8221;
UNII	2KR89I4H1Y ;
CompTox Dashboard (EPA)	DTXSID8026935 ;
	InChI InChI=1S/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3 Key: GLDOVTGHNKAZLK-UHFFFAOYSA-N ; InChI=1/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3 Key: GLDOVTGHNKAZLK-UHFFFAOYAZ;
	SMILES OCCCCCCCCCCCCCCCCCC;
Properties
Chemical formula	C18H38O
Molar mass	270.49 g/mol
Appearance	White solid
Density	0.812 g/cm3
Melting point	59.4 to 59.8 °C (138.9 to 139.6 °F; 332.5 to 332.9 K)
Boiling point	210 °C (410 °F; 483 K) at 15 mmHg (~2.0 kPa)
Solubility in water	1.1 x 10−3 mg/L
Hazards
Flash point	185 °C (365 °F; 458 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Stearyl alcohol (also known as octadecyl alcohol or 1-octadecanol) is an organic compound classified as a fatty alcohol with the formula CH₃(CH₂)₁₆CH₂OH. It takes the form of white granules or flakes, which are insoluble in water. It has a wide range of uses as an ingredient in lubricants, resins, perfumes, and cosmetics. It is used as an emollient, emulsifier, and thickener in ointments, and is widely used as a hair coating in shampoos and hair conditioners. Stearyl heptanoate, the ester of stearyl alcohol and heptanoic acid (enanthic acid), is found in most cosmetic eyeliners. Stearyl alcohol has also found application as an evaporation suppressing monolayer when applied to the surface of water.[2]

Stearyl alcohol is prepared from stearic acid or some fats by the process of catalytic hydrogenation. It has low toxicity.[3]

References

Merck Index, 11th Edition, 8762.
Prime, E. L., Tran, D. N., Plazzer, M., Sunartio, D., Leung, A. H., Yiapanis, G., ... & Solomon, D. H. (2012). Rational design of monolayers for improved water evaporation mitigation. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 415, 47-58.
Noweck, Klaus; Grafahrend, Wolfgang (2006). "Fatty Alcohols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_277.pub2.

External links

International Programme on Chemical Safety

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[1] Merck Index, 11th Edition, 8762.

[2] Prime, E. L., Tran, D. N., Plazzer, M., Sunartio, D., Leung, A. H., Yiapanis, G., ... & Solomon, D. H. (2012). Rational design of monolayers for improved water evaporation mitigation. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 415, 47-58.

[Ullmann-3] Noweck, Klaus; Grafahrend, Wolfgang (2006). "Fatty Alcohols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_277.pub2.