2-nonanone
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 2-nonanone | |||||||||||||||
other names |
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Molecular formula | C 9 H 18 O | |||||||||||||||
Brief description |
colorless liquid with an aromatic odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 142.24 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.83 g cm −3 |
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Melting point |
−9 ° C |
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boiling point |
195 ° C |
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solubility |
very sparingly soluble in water (0.167 g l −1 at 25 ° C) |
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Refractive index |
1.421 (20 ° C) |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
2-Nonanone is a chemical compound from the group of dialkyl ketones .
Occurrence
2-nonanone is found naturally in blue cheese, butter, ragweed, cheddar cheese, coconuts, fish, krill, and others.
Extraction and presentation
2-Nonanone can be obtained by dry distillation of barium caprylate with barium acetate or oxidation of methylheptylcarbinol at room temperature with chromic acid .
properties
2-Nonanone is a slightly volatile, hardly flammable, colorless liquid with an aromatic odor that is very sparingly soluble in water.
use
2-Nonanone is used as a flavoring, e.g. for lavender fragrances and cheese. It is also used as an intermediate in the chemical industry and as a solvent.
safety instructions
The vapors of 2-nonanone can form an explosive mixture with air ( flash point 69 ° C, ignition temperature 240 ° C).
Individual evidence
- ↑ a b c d e f g h i j k l Entry for CAS no. 821-55-6 in the GESTIS substance database of the IFA , accessed on November 14, 2017(JavaScript required) .
- ↑ a b Data sheet 2-Nonanone, ≥99%, FCC, FG from Sigma-Aldrich , accessed on May 4, 2015 ( PDF ).
- ↑ Ernst Schrott, Hermann Philipp Theodor Ammon: Medicinal plants of Ayurvedic and Western medicine: A comparison . Springer-Verlag, 2012, ISBN 978-3-642-13125-7 , pp. 298 ( limited preview in Google Book search).
- ↑ George A. Burdock: Encyclopedia of Food and Color Additives: . CRC Press, 1997, ISBN 978-0-8493-9412-6 , pp. 1976 ( limited preview in Google Book Search).
- ↑ Technical Data Sheet Methyl Heptyl Ketone FCC. Bedoukian Research, accessed March 5, 2017 .
- ↑ chemicalland21.com: 2-NONANONE (METHYL HEPTYL KETONE) , accessed May 4, 2015