Stearyl alcohol

Summary

Stearyl alcohol, or 1-octadecanol, is an organic compound classified as a saturated 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[1]
Simplified structural formula
Names
Preferred IUPAC name
Octadecan-1-ol
Other names
1-octadecanol
Identifiers
  • 112-92-5 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:32154 checkY
ChEMBL
  • ChEMBL24640 checkY
ChemSpider
  • 7928 checkY
ECHA InfoCard 100.003.652 Edit this at Wikidata
  • 8221
UNII
  • 2KR89I4H1Y checkY
  • DTXSID8026935 Edit this at Wikidata
  • 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 checkY
    Key: GLDOVTGHNKAZLK-UHFFFAOYSA-N checkY
  • 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
  • OCCCCCCCCCCCCCCCCCC
Properties
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)
1.1×10−3 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 is prepared from stearic acid or some fats by the process of catalytic hydrogenation. It has low toxicity.[3]

References edit

  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.
  3. ^ Noweck, Klaus; Grafahrend, Wolfgang (2006). "Fatty Alcohols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_277.pub2. ISBN 978-3527306732.

External links edit

  • International Programme on Chemical Safety