2-Ethylhexanol
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| 2-Ethylhexanol | |
|---|---|
| Image:2-ethylhexanol-Line-Structure.svg | |
| Image:2-ethylhexanol-Space-filling.png | |
| IUPAC name | 2-Ethyl-1-hexanol |
| Other names | Isooctanol Isooctyl alcohol 2-Ethylhexyl alcohol Oxooctyl alcohol |
| Identifiers | |
| CAS number | |
| SMILES | OCC(CC)CCCC |
| Properties | |
| Molecular formula | C8H18O |
| Molar mass | 130.23 g/mol |
| Density | 0.833 g/cm³ |
| Melting point |
-76 °C |
| Boiling point |
183-185 °C |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
2-Ethylhexanol, or isooctanol, is a fatty alcohol, an organic compound used in the manufacture of a variety of products. It is a branched, eight-carbon alcohol. It is a clear, colorless liquid that is nearly insoluble in water, but well soluble in most organic solvents.
2-Ethylhexanol can be readily converted into esters that have a variety of uses. The primary use of 2-ethylhexanol is in the manufacture of the diester bis(2-ethylhexyl) phthalate (DEHP), a plasticizer. Because it is a fatty alcohol, esters of 2-ethylhexanol tend to have emollient properties. For example, the sunscreen octocrylene contains a 2-ethylhexyl ester for this purpose. It is also commonly used as a low volatility solvent.
2-Ethylhexanol is a combustible liquid above 60°C. It is a marine polutant and it irritates skin, eyes and respiratory tract. It can also cause nausea and headache after inhalation, and diarrhea and vomiting after ingestion. Long-term or repeated exposure can result in defatting of the skin.
Note that isooctanol and 2-ethylhexanol are not synonymns under all systems of chemical nomnclature. According to the Chemical Abstracts Service, isooctanol (CAS# 26952-21-6) officially refers to a different octanol isomer, 6-methylheptan-1-ol.
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External links
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