Undecavertol Aroma Chemical
CAS# 81782-77-6
Green, Oily, Fruity, Fatty, Earthy
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In the world of perfumery materials, innovation constantly seeks more refined ways to recreate the beauty of nature. Undecavertol is a synthetic molecule that exemplifies that journey. It is a representative of the modern “green” generation of ingredients. Introduced toward the end of the 20th century, it was developed not only to deliver a highly stable, natural-looking green-leaf and floral effect, but also as an elegant alternative to traditional violet-leaf odorants, which have been limited due to their potential to cause irritation.
Behind its appearance as a mobile, colorless liquid, this material opens a fresh, dewy olfactive world: the crystal-clear greenness of violet leaves and cucumber, blended with the delicacy of lily-of-the-valley and accented by a gentle fruity sweetness reminiscent of pear or apple. Thanks to this distinctive profile, Undecavertol has become an indispensable tool for creating fresh, moist, green facets in fine fragrance and personal-care products-bringing the feeling of a garden after rain into modern compositions.
Description
Undecavertol is a lush, elegant green brushstroke that highlights the heart of a fragrance “symphony.” Belonging to both the Green and Floral worlds, it plays a dual role: a graceful heart note and a powerful note-modifier.
Its scent is vivid and crisp yet remarkably smooth, conjuring images of tender violet leaves, juicy cucumber slices, and the crunchy peel of pear. A pronounced “watery/juicy” aspect is its signature. Its strength lies in good intensity and diffusion, capable of lifting freshness across an entire structure, with moderate longevity-typically lasting 24 to 48 hours on a blotter.
In formulas, it is a key soul of violet-leaf and lily-of-the-valley accords. It also serves as a skilled connector, building a seamless bridge between chlorophyll-like green top notes and floral heart notes. Notably, it can soften the harshness of other synthetic notes, imparting a more natural, dewy feel. Undecavertol is often paired with Neobutenone or Galbanum to deepen the green effect, or combined with white-floral materials to create the impression of freshly picked flowers. Technically, it can be used neat or diluted for easier control during creation.
Applications
Undecavertol’s freshness and stability allow it to appear in a wide range of products-from Floral, Green, and Fruity fine fragrances to personal-care items such as shampoo, shower gel, and body lotion. It is especially effective at masking the base odor of soap and detergents, providing a clean impression; and in scented candles, it helps create an airy, refreshing atmosphere.
Its use follows standard safety practices, with typical levels in fragrance concentrates ranging from 0.2% to 2%, and currently without particularly strict limitations. From a safety standpoint, it carries no special warnings and simply needs to be stored in tightly closed packaging, away from light and heat, to preserve olfactive purity. Undecavertol is an important component in many modern fragrances that require a smooth violet-leaf and lily-of-the-valley effect, including notable examples within certain Dior collections and creations by Estée Lauder.
Undecavertol delivers an exceptionally strong and versatile violet-leaf green effect. Unlike traditional green aldehydes, it possesses a striking smoothness with cucumber and fruity nuances. It is not merely a green note, but a powerful modifier that brightens and refreshes floral accords-especially lily-of-the-valley and rose.
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Technical standards
Technical standards
| Physical appearance | Transparent liquid | Conform |
| Color | Colorless to pale yellow | Conform |
| Specific Gravity @20˚C | 0.836 → 0.856 | Conform |
| Refractive Index @20˚C | 1.446 → 1.456 | Conform |
| Purity | ≥ 97.0% | Conform |
Solubility @25˚C
Solubility @25˚C
| Solvent | Solubility (g/L) |
|---|---|
| ethanol | 6486.26 |
| methanol | 4564.54 |
| isopropanol | 6682.64 |
| water | 0.2 |
| ethyl acetate | 4047.51 |
| n-propanol | 5639.67 |
| acetone | 4980.5 |
| n-butanol | 6215.34 |
| acetonitrile | 3166.0 |
| DMF | 2490.16 |
| toluene | 1455.83 |
| isobutanol | 4562.85 |
| 1,4-dioxane | 6086.69 |
| methyl acetate | 2454.97 |
| THF | 7482.09 |
| 2-butanone | 4020.64 |
| n-pentanol | 3606.39 |
| sec-butanol | 5360.51 |
| n-hexane | 2416.13 |
| ethylene glycol | 254.05 |
| NMP | 1401.05 |
| cyclohexane | 2854.68 |
| DMSO | 2291.87 |
| n-butyl acetate | 5951.95 |
| n-octanol | 1635.45 |
| chloroform | 5810.33 |
| n-propyl acetate | 2962.8 |
| acetic acid | 1715.81 |
| dichloromethane | 4822.33 |
| cyclohexanone | 4601.71 |
| propylene glycol | 559.82 |
| isopropyl acetate | 2741.36 |
| DMAc | 1399.32 |
| 2-ethoxyethanol | 2317.02 |
| isopentanol | 5492.93 |
| n-heptane | 1491.81 |
| ethyl formate | 1956.53 |
| 1,2-dichloroethane | 3602.18 |
| n-hexanol | 5950.09 |
| 2-methoxyethanol | 3540.11 |
| isobutyl acetate | 1769.31 |
| tetrachloromethane | 1344.64 |
| n-pentyl acetate | 2320.83 |
| transcutol | 6880.14 |
| n-heptanol | 1941.57 |
| ethylbenzene | 866.81 |
| MIBK | 2211.1 |
| 2-propoxyethanol | 4276.75 |
| tert-butanol | 7703.09 |
| MTBE | 7817.54 |
| 2-butoxyethanol | 2146.05 |
| propionic acid | 1565.77 |
| o-xylene | 738.3 |
| formic acid | 254.77 |
| diethyl ether | 8472.4 |
| m-xylene | 913.11 |
| p-xylene | 1020.17 |
| chlorobenzene | 1714.07 |
| dimethyl carbonate | 345.22 |
| n-octane | 444.47 |
| formamide | 375.3 |
| cyclopentanone | 3448.05 |
| 2-pentanone | 4174.74 |
| anisole | 1288.02 |
| cyclopentyl methyl ether | 3481.69 |
| gamma-butyrolactone | 2702.99 |
| 1-methoxy-2-propanol | 2865.09 |
| pyridine | 3820.73 |
| 3-pentanone | 2086.95 |
| furfural | 1861.24 |
| n-dodecane | 202.72 |
| diethylene glycol | 1339.65 |
| diisopropyl ether | 2149.23 |
| tert-amyl alcohol | 5081.81 |
| acetylacetone | 2052.4 |
| n-hexadecane | 234.68 |
| acetophenone | 939.14 |
| methyl propionate | 1750.73 |
| isopentyl acetate | 4541.21 |
| trichloroethylene | 4724.07 |
| n-nonanol | 1351.09 |
| cyclohexanol | 3917.77 |
| benzyl alcohol | 1000.34 |
| 2-ethylhexanol | 3450.35 |
| isooctanol | 1519.52 |
| dipropyl ether | 5144.73 |
| 1,2-dichlorobenzene | 1171.85 |
| ethyl lactate | 539.27 |
| propylene carbonate | 1583.72 |
| n-methylformamide | 1151.11 |
| 2-pentanol | 4524.45 |
| n-pentane | 1967.95 |
| 1-propoxy-2-propanol | 3725.7 |
| 1-methoxy-2-propyl acetate | 2110.05 |
| 2-(2-methoxypropoxy) propanol | 1166.23 |
| mesitylene | 619.34 |
| ε-caprolactone | 3334.74 |
| p-cymene | 703.41 |
| epichlorohydrin | 4002.32 |
| 1,1,1-trichloroethane | 3517.93 |
| 2-aminoethanol | 907.61 |
| morpholine-4-carbaldehyde | 1972.83 |
| sulfolane | 2075.28 |
| 2,2,4-trimethylpentane | 501.11 |
| 2-methyltetrahydrofuran | 6472.35 |
| n-hexyl acetate | 2493.71 |
| isooctane | 501.69 |
| 2-(2-butoxyethoxy)ethanol | 1917.49 |
| sec-butyl acetate | 1885.49 |
| tert-butyl acetate | 2491.41 |
| decalin | 599.72 |
| glycerin | 555.64 |
| diglyme | 3374.45 |
| acrylic acid | 813.94 |
| isopropyl myristate | 795.49 |
| n-butyric acid | 4301.14 |
| acetyl acetate | 1287.61 |
| di(2-ethylhexyl) phthalate | 515.64 |
| ethyl propionate | 1831.4 |
| nitromethane | 2079.02 |
| 1,2-diethoxyethane | 4764.29 |
| benzonitrile | 1648.35 |
| trioctyl phosphate | 484.36 |
| 1-bromopropane | 4548.87 |
| gamma-valerolactone | 3819.87 |
| n-decanol | 892.2 |
| triethyl phosphate | 572.63 |
| 4-methyl-2-pentanol | 2171.29 |
| propionitrile | 3367.33 |
| vinylene carbonate | 1237.54 |
| 1,1,2-trichlorotrifluoroethane | 1712.93 |
| DMS | 795.34 |
| cumene | 555.87 |
| 2-octanol | 1345.51 |
| 2-hexanone | 3156.4 |
| octyl acetate | 926.66 |
| limonene | 1459.12 |
| 1,2-dimethoxyethane | 4830.64 |
| ethyl orthosilicate | 721.28 |
| tributyl phosphate | 614.32 |
| diacetone alcohol | 1808.39 |
| N,N-dimethylaniline | 768.62 |
| acrylonitrile | 2214.42 |
| aniline | 1554.59 |
| 1,3-propanediol | 1996.63 |
| bromobenzene | 1818.5 |
| dibromomethane | 4266.16 |
| 1,1,2,2-tetrachloroethane | 3835.38 |
| 2-methyl-cyclohexyl acetate | 1343.96 |
| tetrabutyl urea | 707.88 |
| diisobutyl methanol | 1567.51 |
| 2-phenylethanol | 1462.63 |
| styrene | 1135.4 |
| dioctyl adipate | 858.71 |
| dimethyl sulfate | 402.78 |
| ethyl butyrate | 2831.29 |
| methyl lactate | 490.28 |
| butyl lactate | 1125.52 |
| diethyl carbonate | 1225.54 |
| propanediol butyl ether | 1371.04 |
| triethyl orthoformate | 1598.95 |
| p-tert-butyltoluene | 697.63 |
| methyl 4-tert-butylbenzoate | 838.63 |
| morpholine | 7531.74 |
| tert-butylamine | 6305.17 |
| n-dodecanol | 648.99 |
| dimethoxymethane | 2294.46 |
| ethylene carbonate | 1346.76 |
| cyrene | 678.05 |
| 2-ethoxyethyl acetate | 1995.84 |
| 2-ethylhexyl acetate | 3248.0 |
| 1,2,4-trichlorobenzene | 1168.24 |
| 4-methylpyridine | 3808.85 |
| dibutyl ether | 3298.73 |
| 2,6-dimethyl-4-heptanol | 1567.51 |
| DEF | 2849.6 |
| dimethyl isosorbide | 1528.21 |
| tetrachloroethylene | 2767.36 |
| eugenol | 792.13 |
| triacetin | 1032.47 |
| span 80 | 1290.6 |
| 1,4-butanediol | 650.81 |
| 1,1-dichloroethane | 4794.55 |
| 2-methyl-1-pentanol | 2924.18 |
| methyl formate | 721.89 |
| 2-methyl-1-butanol | 4512.22 |
| n-decane | 427.38 |
| butyronitrile | 5454.02 |
| 3,7-dimethyl-1-octanol | 1552.55 |
| 1-chlorooctane | 1212.98 |
| 1-chlorotetradecane | 388.86 |
| n-nonane | 504.36 |
| undecane | 275.77 |
| tert-butylcyclohexane | 602.45 |
| cyclooctane | 687.84 |
| cyclopentanol | 2862.62 |
| tetrahydropyran | 10237.63 |
| tert-amyl methyl ether | 3721.9 |
| 2,5,8-trioxanonane | 1788.55 |
| 1-hexene | 5027.03 |
| 2-isopropoxyethanol | 1854.09 |
| 2,2,2-trifluoroethanol | 298.76 |
| methyl butyrate | 2931.19 |
Scent© AI

Olfactory Pyramid
Notes
| Green |
| Oily |
| Fruity |
| Fatty |
| Earthy |
| Maximum acceptable concentrations in the finished product (%) | |||
|---|---|---|---|
|
Category 1
Products applied to the lips
|
No restriction |
Category 7A
Rinse-off products applied to the hair with some hand contact
|
No restriction |
|
Category 2
Products applied to the axillae
|
No restriction |
Category 7B
Leave-on products applied to the hair with some hand contact
|
No restriction |
|
Category 3
Products applied to the face/body using fingertips
|
No restriction |
Category 8
Products with significant anogenital exposure
|
No restriction |
|
Category 4
Products related to fine fragrance
|
No restriction |
Category 9
Products with body and hand exposure, primarily rinse off
|
No restriction |
|
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
|
No restriction |
Category 10A
Household care products with mostly hand contact
|
No restriction |
|
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
|
No restriction |
Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
|
No restriction |
|
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
|
No restriction |
Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
|
No restriction |
|
Category 5D
Baby Creams, baby Oils and baby talc
|
No restriction |
Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
|
No restriction |
|
Category 6
Products with oral and lip exposure
|
No restriction |
Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
|
No restriction |
Shipping & Returns
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All orders will be processed within 1-2 business days from the time the order is confirmed. -
Free shipping is available for orders valued at $200 or more. -
Delivery time is 1-3 business days for local areas, 3-7 days for suburban and nationwide deliveries, and 1-4 weeks for international orders. -
You have 30 days from the date of receipt to initiate the return process.
Certificates of Quality
-
Certificate of Analysis (COA)
Provides information on the physical and chemical properties of the product.Download -
IFRA Certificate of Conformity
Sets safety standards and guidelines for the product in manufacturing.Download -
Safety Data Sheet (SDS)
Provides important safety guidelines for transporting, storing, and using the product.Download