Rose Oxide Aroma Chemical
CAS# 16409-43-1
Green, Herbal, Floral, Fresh, Geranium
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In the world of perfumery, there are molecules that don’t merely recreate a scent-they hold the secret to its liveliness. Rose Oxide is one such secret: an icy-cool note, a metallic glint flashing off a velvet rose. Its story begins in the 1960s, when scientists analyzed the trace constituents of Bulgarian rose oil. It was then that they identified Rose Oxide, uncovering why natural rose possesses a sharp, faintly metallic facet that earlier synthetic rose accords could never truly reproduce.
Although it occurs naturally-hidden within rose oil, geranium oil, and even in the sweet nuance of lychee or certain wines-science is what brought it into the spotlight. Major companies developed synthetic processes that allowed perfumers to use it freely, without relying on costly extraction.
Behind its appearance as a mobile, colorless liquid, this compound bursts open with a crisp green aroma characteristic of rose and geranium, distinctly accented by a pronounced metallic effect. For that reason, it has become an indispensable tool for adding brightness, definition, and a more “natural” impression to rose, geranium, and juicy fruit accords.
Description
Rose Oxide is not a gentle whisper; it is a brilliant flare-an energy jolt in the top notes. Straddling both the Floral and Green worlds, it functions as a powerful enhancer, designed to amplify diffusion and introduce a startling sharpness.
Its odor is extremely potent: dry, green, and marked by an unmistakable metallic character. It evokes the image of crushed geranium leaves or the radiant opening of a freshly blooming rose. Its impact is absolute: even at very low concentrations, it can completely transform the character of a blend. It explodes with very high diffusion, though this brightness lasts a moderate length of time-about 12 to 24 hours on a blotter.
In formulas, Rose Oxide is key to creating a more “true-to-life” rose effect, stripping away the one-dimensional syrupy sweetness of many rose materials. It is also used in fruity accords-such as lychee and raspberry-to add juiciness and freshness. It often pairs with Geraniol, Citronellol, and Phenylethyl Alcohol to build a complete rose accord, or with aldehydic notes to intensify a metallic, clean effect.
And because its power is so extraordinary, Rose Oxide is almost always pre-diluted by perfumers to 1% or 10% before being added to a formula-so that this bright flare does not overwhelm an entire fragrance “symphony.”
Applications
The sharpness and versatility of Rose Oxide allow it to shine across many categories, from strong masculine fougères to feminine floral creations. It brings a clean, fresh sensation to shower gels, shampoos, and body lotions, and it is notably stable with good performance in soap bases. Even in scented candles, it can contribute strong throw for floral notes.
However, its strength demands absolute finesse in use. Typical dosage in fine fragrance concentrate is extremely low-often only 0.01% to 0.5%-because above that, the metallic facet can become too intense. From a safety standpoint, it may be irritating in its neat form and should be stored carefully in a tightly sealed container, protected from air and light.
Rose Oxide’s influence is clearly demonstrated by its presence in major fragrances. It provides the cool metallic-green, masculine accent in Chanel Égoïste Platinum, and the fresh, incisive modern rose impression in Chloé Eau de Parfum. Steffen Arctander described Rose Oxide as one of the most powerful and important aroma chemicals ever discovered. Its effect is so strong that even trace amounts can deliver a remarkably natural lift. When used correctly, it brings diffusion and vitality that few materials can truly replace.
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Technical standards
Technical standards
Solubility @25˚C
Solubility @25˚C
| Solvent | Solubility (g/L) |
|---|---|
| ethanol | 699.94 |
| methanol | 468.76 |
| isopropanol | 753.08 |
| water | 1.33 |
| ethyl acetate | 421.79 |
| n-propanol | 654.0 |
| acetone | 491.48 |
| n-butanol | 724.9 |
| acetonitrile | 551.22 |
| DMF | 312.69 |
| toluene | 414.43 |
| isobutanol | 530.62 |
| 1,4-dioxane | 1010.95 |
| methyl acetate | 360.26 |
| THF | 1240.37 |
| 2-butanone | 456.13 |
| n-pentanol | 443.24 |
| sec-butanol | 663.1 |
| n-hexane | 374.71 |
| ethylene glycol | 114.08 |
| NMP | 362.59 |
| cyclohexane | 668.04 |
| DMSO | 368.47 |
| n-butyl acetate | 552.66 |
| n-octanol | 468.55 |
| chloroform | 2196.09 |
| n-propyl acetate | 259.89 |
| acetic acid | 546.42 |
| dichloromethane | 1278.2 |
| cyclohexanone | 728.46 |
| propylene glycol | 253.11 |
| isopropyl acetate | 270.11 |
| DMAc | 294.68 |
| 2-ethoxyethanol | 320.55 |
| isopentanol | 558.12 |
| n-heptane | 472.75 |
| ethyl formate | 284.71 |
| 1,2-dichloroethane | 565.5 |
| n-hexanol | 1008.84 |
| 2-methoxyethanol | 481.24 |
| isobutyl acetate | 206.76 |
| tetrachloromethane | 454.92 |
| n-pentyl acetate | 308.49 |
| transcutol | 1192.73 |
| n-heptanol | 399.22 |
| ethylbenzene | 229.81 |
| MIBK | 253.76 |
| 2-propoxyethanol | 710.2 |
| tert-butanol | 842.24 |
| MTBE | 557.96 |
| 2-butoxyethanol | 397.72 |
| propionic acid | 423.03 |
| o-xylene | 277.58 |
| formic acid | 95.3 |
| diethyl ether | 575.25 |
| m-xylene | 279.12 |
| p-xylene | 297.48 |
| chlorobenzene | 468.31 |
| dimethyl carbonate | 98.85 |
| n-octane | 134.27 |
| formamide | 104.58 |
| cyclopentanone | 627.93 |
| 2-pentanone | 376.53 |
| anisole | 289.27 |
| cyclopentyl methyl ether | 597.52 |
| gamma-butyrolactone | 597.45 |
| 1-methoxy-2-propanol | 456.14 |
| pyridine | 703.57 |
| 3-pentanone | 288.9 |
| furfural | 525.51 |
| n-dodecane | 100.32 |
| diethylene glycol | 388.64 |
| diisopropyl ether | 219.08 |
| tert-amyl alcohol | 604.89 |
| acetylacetone | 296.34 |
| n-hexadecane | 110.82 |
| acetophenone | 248.43 |
| methyl propionate | 276.44 |
| isopentyl acetate | 468.16 |
| trichloroethylene | 1063.6 |
| n-nonanol | 380.94 |
| cyclohexanol | 784.31 |
| benzyl alcohol | 264.94 |
| 2-ethylhexanol | 597.39 |
| isooctanol | 288.15 |
| dipropyl ether | 585.08 |
| 1,2-dichlorobenzene | 394.11 |
| ethyl lactate | 160.03 |
| propylene carbonate | 440.89 |
| n-methylformamide | 181.28 |
| 2-pentanol | 515.47 |
| n-pentane | 369.55 |
| 1-propoxy-2-propanol | 605.19 |
| 1-methoxy-2-propyl acetate | 379.74 |
| 2-(2-methoxypropoxy) propanol | 384.27 |
| mesitylene | 199.46 |
| ε-caprolactone | 600.05 |
| p-cymene | 263.35 |
| epichlorohydrin | 652.59 |
| 1,1,1-trichloroethane | 827.97 |
| 2-aminoethanol | 258.31 |
| morpholine-4-carbaldehyde | 444.33 |
| sulfolane | 560.6 |
| 2,2,4-trimethylpentane | 133.75 |
| 2-methyltetrahydrofuran | 988.61 |
| n-hexyl acetate | 517.25 |
| isooctane | 116.74 |
| 2-(2-butoxyethoxy)ethanol | 532.64 |
| sec-butyl acetate | 194.77 |
| tert-butyl acetate | 281.94 |
| decalin | 186.65 |
| glycerin | 245.26 |
| diglyme | 748.43 |
| acrylic acid | 296.13 |
| isopropyl myristate | 240.6 |
| n-butyric acid | 702.1 |
| acetyl acetate | 274.9 |
| di(2-ethylhexyl) phthalate | 217.46 |
| ethyl propionate | 216.71 |
| nitromethane | 440.21 |
| 1,2-diethoxyethane | 467.55 |
| benzonitrile | 457.55 |
| trioctyl phosphate | 169.56 |
| 1-bromopropane | 601.2 |
| gamma-valerolactone | 629.72 |
| n-decanol | 290.97 |
| triethyl phosphate | 174.52 |
| 4-methyl-2-pentanol | 273.5 |
| propionitrile | 489.83 |
| vinylene carbonate | 392.6 |
| 1,1,2-trichlorotrifluoroethane | 517.91 |
| DMS | 255.14 |
| cumene | 177.3 |
| 2-octanol | 290.2 |
| 2-hexanone | 308.23 |
| octyl acetate | 298.72 |
| limonene | 423.13 |
| 1,2-dimethoxyethane | 519.85 |
| ethyl orthosilicate | 181.66 |
| tributyl phosphate | 199.47 |
| diacetone alcohol | 309.35 |
| N,N-dimethylaniline | 214.28 |
| acrylonitrile | 407.04 |
| aniline | 405.56 |
| 1,3-propanediol | 372.01 |
| bromobenzene | 515.58 |
| dibromomethane | 1068.43 |
| 1,1,2,2-tetrachloroethane | 1018.13 |
| 2-methyl-cyclohexyl acetate | 330.2 |
| tetrabutyl urea | 225.95 |
| diisobutyl methanol | 298.96 |
| 2-phenylethanol | 378.85 |
| styrene | 262.16 |
| dioctyl adipate | 301.81 |
| dimethyl sulfate | 123.67 |
| ethyl butyrate | 344.29 |
| methyl lactate | 168.21 |
| butyl lactate | 258.43 |
| diethyl carbonate | 236.19 |
| propanediol butyl ether | 426.21 |
| triethyl orthoformate | 277.85 |
| p-tert-butyltoluene | 252.18 |
| methyl 4-tert-butylbenzoate | 310.6 |
| morpholine | 1039.12 |
| tert-butylamine | 683.25 |
| n-dodecanol | 233.36 |
| dimethoxymethane | 262.03 |
| ethylene carbonate | 350.26 |
| cyrene | 261.08 |
| 2-ethoxyethyl acetate | 304.22 |
| 2-ethylhexyl acetate | 400.69 |
| 1,2,4-trichlorobenzene | 444.45 |
| 4-methylpyridine | 619.03 |
| dibutyl ether | 469.02 |
| 2,6-dimethyl-4-heptanol | 298.96 |
| DEF | 305.28 |
| dimethyl isosorbide | 530.1 |
| tetrachloroethylene | 634.55 |
| eugenol | 271.13 |
| triacetin | 402.88 |
| span 80 | 473.77 |
| 1,4-butanediol | 156.38 |
| 1,1-dichloroethane | 756.77 |
| 2-methyl-1-pentanol | 353.46 |
| methyl formate | 144.19 |
| 2-methyl-1-butanol | 534.09 |
| n-decane | 161.53 |
| butyronitrile | 652.26 |
| 3,7-dimethyl-1-octanol | 403.34 |
| 1-chlorooctane | 334.96 |
| 1-chlorotetradecane | 158.97 |
| n-nonane | 178.5 |
| undecane | 121.3 |
| tert-butylcyclohexane | 166.33 |
| cyclooctane | 245.93 |
| cyclopentanol | 674.2 |
| tetrahydropyran | 1281.12 |
| tert-amyl methyl ether | 376.63 |
| 2,5,8-trioxanonane | 562.03 |
| 1-hexene | 536.94 |
| 2-isopropoxyethanol | 262.27 |
| 2,2,2-trifluoroethanol | 142.44 |
| methyl butyrate | 276.88 |
Scent© AI

Olfactory Pyramid
Notes
| Green |
| Herbal |
| Floral |
| Fresh |
| Geranium |
| 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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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