This aldehyde is probably one of the most preferred perfumery aldehydes with respect to aldehydic topnote. It blends very well with Galbanum, the Hexenyl family or the Methyl phenyl carbinyl esters, the Methyl-ionones or with Oakmoss. It lends excellent notes to Tabac base and blends well with Vetiver for such purpose. In Mimosa it will supply part of the peculiar dry notes, and in Ambre fragrances it is an almost inevitable component. Interesting effects with Ginger oil and Clary Sage.
| Category | Aromatic Compound |
|---|---|
| IUPAC Name | 2-methylundecanal |
| CAS Number | 110-41-8 |
| Molecular Weight | 184.32 g/mol |
| Canonical SMILES | CCCCCCCCCC(C)C=O |
| Odor Family | Aldehydic |
|---|---|
| Odor Strength | 1 2 3 4 5 |
| Odor Description | Aldehydic, Amber, Citrus, Coumarinic, Fresh, Gassy, Metallic, Mossy, Tuberose, Waxy |
| Usage Level | 2% in the fragrance concentrate |
| Substantivity | 388 hours at 100% |
| Appearance | Colorless to pale yellow clear liquid (est) |
|---|---|
| Specific Gravity | 0.822 to 0.83 @ 25 °C. |
| Pounds per Gallon | 6.84 to 6.96 |
| Refractive Index | 1.43 to 1.436 @ 20 °C. |
| Vapor Pressure | 1.428 mmHg @ 25 °C. (est) |
| Vapor Density | >1 ( Air = 1 ) |
| Boiling Point | 171 °C. @ 760 mm Hg |
| Flash Point | 200 °F. TCC ( 93.33 °C. ) |
| XLogP | 4.9 |
| Acid Value | 2 max. KOH/g |
| Shelf Life | 12 months if stored properly |
| Storage | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
| Category | Flavor and fragrance agents |
|---|
| Pictograms | |
|---|---|
| Hazard Statement | H315 - Causes skin irritation H317 - May cause an allergic skin reaction H319 - Causes serious eye irritation H330 - Fatal if inhaled H412 - Harmful to aquatic life with long-lasting effects |
| Europe Standard Hazard | N - Dangerous for the environment |
| Precautionary Statement | P261 - Avoid breathing dust/fumes/gas/mist/vapours/spray P264 - Wash … thoroughly after handling P272 - Contaminated work clothing should not be allowed out of the workplace P273 - Avoid release to the environment P280 - Wear protective gloves/protective clothing/eye protection/face protection P302 + P352 - IF ON SKIN: Wash with plenty of water/… P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing P333 + P313 - If skin irritation or a rash occurs: Get medical advice/attention P337 + P313 - If eye irritation persists get medical advice/attention P362 - Take off contaminated clothing P501 - Dispose of contents/container in accordance with local/regional/national/international regulations. |
| R-phrases | R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment |
| S-phrases | S02 - Keep out of the reach of children S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice S36 - Wear suitable protective clothing S61 - Avoid release to the environment. Refer to special instructions/safety data sheet |