Nonene
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Nonene is an alkene with the molecular formula C9H18. Many structural isomers are possible, depending on the location of the C=C double bond and the branching of the other parts of the molecule. Industrially, the most important nonenes are trimers of propene: Tripropylene. This mixture of branched nonenes is used in the alkylation of phenol to produce nonylphenol, a precursor to detergents, which are also controversial pollutants.
Linear nonenes
| Linear Nonene | ||||
| Name | 1-Nonene | 2-Nonene | 3-Nonene | 4-Nonene |
| Systematic name | Non-1-ene | Non-2-ene | Non-3-ene | Non-4-ene |
| Structure | ||||
| CAS Number | 124-11-8 | 2216-38-8 6434-77-1 (cis) 6434-78-2 (trans) | 125146-82-9 20237-46-1 (cis) 20063-77-8 (trans) | 2198-23-4 10405-84-2 (cis) 10405-85-3 (trans) |
| 27215-95-8 (all isomers) | ||||
| PubChem | fromPubChem | fromPubChem | fromPubChem | fromPubChem |
| Chemical formula | C9H18 | |||
| Molecular weight | 126.24 g·mol−1 | |||
| Melting point | −81 °C | |||
| Boiling point | 147 °C | 144–145 °C | 147 °C | |
| Density | 0,73 g·cm−3 (20 °C) | 0,734 g·cm−3 (25 °C) | 0,734 g·cm−3 (25 °C) | 0,73 g·cm−3 |
| GHS hazard pictograms | ||||
| GHS hazard statements | H226,H304,H315,H319,H335 | H226 | H226 | H226,H304 |
| P261,P301+P310,P305+P351+P338,P331 | P210,P233,P240,P241,P242,P243,P280,P301,P310 P303+P361+P353,P331,P370+P378,P403+P235,P405,P501 |