| Stearyl alcohol | |
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| IUPAC name | 1-Octadecanol |
| Other names | Octadecyl alcohol, stearyl alcohol |
| Identifiers | |
| CAS number | 112-92-5 |
| PubChem | |
| SMILES |
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| Properties | |
| Molecular formula | CH3(CH2)17OH |
| Molar mass | 270.49 g/mol |
| Density | 0.812 g/cm³ |
| Melting point |
61 °C, 334 K, 142 °F |
| Boiling point |
210 °C, 483 K, 410 °F |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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Stearyl alcohol (also known as octadecyl alcohol or 1-octadecanol) is a substance prepared from stearic acid by the process of catalytic hydrogenation. It is a fatty alcohol. It takes the form of white solid granules or flakes which are insoluble in water, with a melting point of 61°C and boiling point of 210°C (at 15 mmHg). 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 of various sorts, and is widely used as a hair coating in shampoos and hair conditioners. Octadecyl alcohol is even used as a liquid solar blanket in swimming pools by forming a molecule thick layer on the surface of the water and slowing the evaporation rate of the pool water.
Its chemical formula is CH3(CH2)17OH.
International Programme on Chemical Safety
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