Name | Undecylic aldehyde |
Synonyms | undecanal n-Undecanal Undecanal 0.25 Hendecanaldehyde Undecanylaldehyde n-Undecyl aldehyde Undecylic aldehyde c-11aldehyde,undecylic C-11 Aldehyde, undecylic |
CAS | 112-44-7 |
EINECS | 203-972-6 |
InChI | InChI=1/C11H22O/c1-2-3-4-5-6-7-8-9-10-11-12/h11H,2-10H2,1H3 |
Molecular Formula | C11H22O |
Molar Mass | 170.29 |
Density | 0.825 g/mL at 25 °C (lit.) |
Melting Point | -2 °C (lit.) |
Boling Point | 109-115 °C/5 mmHg (lit.) |
Flash Point | 205°F |
JECFA Number | 107 |
Water Solubility | Soluble in dipropylene glycol, fixed oils, propylene glycol and water (14.27 mg/L at 25°C) |
Vapor Presure | 38Pa at 20℃ |
Vapor Density | 5.94 (vs air) |
Appearance | neat |
Color | Colorless to Light yellow |
BRN | 1753213 |
Storage Condition | Inert atmosphere,2-8°C |
Sensitive | Air Sensitive |
Explosive Limit | 0.7%(V) |
Refractive Index | n20/D 1.4322(lit.) |
Physical and Chemical Properties | Colorless to yellowish oily liquid. Boiling point 223 ℃, relative density 0.825-0.832, refractive index 1.430-1.435, flash point 80 ℃, soluble in 5 volume of 70% ethanol or the same volume of 80% ethanol and oil, acid value <1.0, a strong Rose, incense wax aroma, with the characteristics of wood orange peel aroma, there are orange flowers and violets. The fragrance was acceptable. |
Hazard Symbols | Xi - Irritant![]() |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R38 - Irritating to the skin |
Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 1 |
RTECS | YQ1500000 |
TSCA | Yes |
FEMA | 3092 | UNDECANAL |
LogP | 4.8 at 20℃ |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | is widely used in fragrance formulations. Trace (<0.5%) for Rose, tuberose, Acacia, orange flower, Jasmine, Iris and other flower-like. Can also be used as citrus fruit aroma and other fruit aroma composition of the head. It is also used for Phantom essence. Edible can be used for the preparation of lemon, lime, orange, orange, cucumber, honey aroma, fresh aroma and a variety of fruit aroma compound and gum essence. GB 2760-1996 provides for the permitted use of flavorants. Mainly used for the preparation of lemon, lemon, orange and other citrus and cucumber, honey, gum essence. Eleven aldehyde in the diluted state has a rose fragrance; Flower aroma; Fruit aroma and sweet orange aroma, used as a flower flavor, used for cosmetics; In soap essence, the product has the aroma of rose, flower, fruit and sweet orange in the diluted state, which is used as the aroma of flower essence, used in cosmetics and soap essence. |
production method | 11 aldehyde can be obtained by oxidation of 11 alcohol or catalytic reduction of Undecanoic acid. It is also possible to catalyze the dehydrogenation of the 11 alcohol obtained from the hydrogenation of the methyl ester of 11. It is obtained by hydrogenation of 11 alcohol or reduction of Undecanoic acid. |