5-Undecanone
- CAS No.
- 33083-83-9
- Chemical Name:
- 5-Undecanone
- Synonyms
- 5-Undecanone;5-Hendecanone;Undecan-5-one;Butyl hexyl ketone;N-BUTYL N-HEXYL KETONE
- CBNumber:
- CB0465645
- Molecular Formula:
- C11H22O
- Molecular Weight:
- 170.29
- MDL Number:
- MFCD00048899
- MOL File:
- 33083-83-9.mol
- MSDS File:
- SDS
| Melting point | 1-2°C |
|---|---|
| Boiling point | 103-106°C 12mm |
| Density | 0,83 g/cm3 |
| refractive index | 1.4280 |
| Flash point | 103-106°C/12mm |
| form | clear liquid |
| color | Colorless to Almost colorless |
| BRN | 1749497 |
| LogP | 4.034 (est) |
| CAS DataBase Reference | 33083-83-9 |
| FDA UNII | 0HA3U4E7AN |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H227-H315 | |||||||||
| Precautionary statements | P210-P280-P370+P378-P403+P235-P501 | |||||||||
| HS Code | 2914.19.0000 | |||||||||
| NFPA 704 |
|
5-Undecanone price More Price(9)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | U0042 | 5-Undecanone min. 96.0 % | 33083-83-9 | 5ML | $216 | 2026-04-30 | Buy |
| TCI Chemical | U0042 | 5-Undecanone >96.0%(GC) | 33083-83-9 | 25mL | $368 | 2026-04-30 | Buy |
| aablocks | AA003MW2 | 5-Undecanone 97% | 33083-83-9 | 1g | $19 | 2026-05-28 | Buy |
| aablocks | AA003MW2 | 5-Undecanone 97% | 33083-83-9 | 5g | $48 | 2026-05-28 | Buy |
| aablocks | AA003MW2 | 5-Undecanone 97% | 33083-83-9 | 25g | $146 | 2026-05-28 | Buy |
5-Undecanone Chemical Properties, Uses, Production
Aroma
Oily, but slightly pungent-fruity, herbaceous odor of moderate to poor tenacity. Less winey than ,MethylnonyIketone (a naturally occurring isomer), and not quite as Orange-like. Greener and fruitier.
Physical properties
Colorless oily liquid. Solidifies in the cold to an opaque mass. Insoluble in water, soluble in alcohol and oils. BP. 214°C.
Uses
5-Undecanone is a useful research chemical used in the preparation of carboxaldehydes, ketones, and esters via iodine-mediated oxidation of alcohols.
Application
5-UNDECANONE rarely offered commercially, has been suggested for use in perfume compositions. However, after so much discussion about the possible hazards of using certain ketones (including the named isomer) in perfumes for cosmetic preparations, chances are that this ketone has little or no future in perfumery.
Production Methods
5-UNDECANONE can be produced from Valenc and Heptanoic acids by heating of the mixture over Thorium oxide to about 450°C.
5-Undecanone Preparation Products And Raw materials
Raw materials
Preparation Products
5-Undecanone Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9409 | 55 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Maya High Purity Chemicals | +86 (573) 82222445 (0)18006601000 452520369 | sales@maya-r.com | China | 11693 | 57 |
| Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. | 025-66113011 13913916777 | cfzhang@aikonchem.com | China | 19902 | 55 |
| TOKYO CHEMICAL INDUSTRY CO., LTD. | 03-36680489 | Sales-JP@TCIchemicals.com | Japan | 28364 | 80 |
| Shanghai Xingui Biotechnology Co., Ltd. | 15121041756 | xingui2022@126.com | China | 9959 | 58 |
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