Decahydronaphthalene
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| Decalin | |
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| IUPAC name | 1,2,3,4,4a,5,6,7,8,8a- decahydronaphthalene |
| Other names | decalin bicyclo[4.4.0]decane |
| Identifiers | |
| CAS number | [91-17-8] |
| SMILES | C1CCC2CCCCC2C1 |
| Properties | |
| Molecular formula | C10H18 |
| Molar mass | 138.25 g/mol |
| Appearance | Clear, colorless liquid |
| Density | 0.896 g/cm³ |
| Melting point |
racemate: −40 °C (−40 °F) |
| Boiling point |
trans: 187 °C (369 °F) |
| Solubility in water | Insoluble |
| Hazards | |
| MSDS | Decalin MSDS |
| Flash point | 57 °C |
| Autoignition temperature |
250 °C |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Decahydronaphthalene (also known as decalin, or as bicyclo[4.4.0]decane), a bicyclic organic compound, is an industrial solvent. A colorless liquid with an aromatic odor, it is used as a solvent for many resins. It is the saturated analog of naphthalene and can be prepared from it by hydrogenation in a fused state in the presence of a catalyst. Decahydronaphthalene easily forms explosive organic peroxides upon storage in the presence of air.
[edit] Isomers
Decahydronaphthalene occurs in cis and trans forms. The trans form is energetically more stable because of fewer steric interactions.
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[edit] References
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