Floralozone Aroma Chemical
CAS# 67634-14-4
Floral, Green, Fresh, Aldehydic, Muguet
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Carrying the breath of the sky and a sense of purity, Floralozone (a well-known IFF product)-also known by names such as Ozone Propanal, Floral Aldehyde, and the chemical name 3-(4-ethylphenyl)-2,2-dimethylpropanal-is a fully man-made synthetic ingredient that does not exist in nature. Appearing as a clear, colorless or pale yellow liquid, this cyclic aldehyde compound has a distinctive, powerful ozone-like scent, evoking the feeling of clean air blended with refined white florals and a fresh green nuance.
Although it was developed exclusively and patented by IFF in the early 1970s, Floralozone did not truly come into the spotlight and gain widespread popularity until the late 1980s and throughout the 1990s, when global perfumery trends shifted toward clean, strong, linear scent profiles. With its ability to create a free-spirited sea-breeze effect, recreate the crisp smell of freshly washed laundry, and significantly boost the impact of floral notes, it is considered an essential piece for building airy, modern olfactive “spaces.”
Description
Belonging to a multi-faceted family spanning Floral, Aldehydic, Marine, and Green facets, Floralozone plays an important role in the top and heart of a composition as an extremely powerful booster and a highly characterful “note-changer.” Its scent paints a vivid picture of fresh air after a rain shower or the immaculate cleanness of freshly laundered fabrics, intertwined with the elegance of jasmine and lily-of-the-valley-yet sharper and more overtly synthetic-tinged with a hint of dill-like or softly green accents. With an intensity strong enough to dominate an entire structure even at low dosage, Floralozone offers moderately good longevity and projects most brilliantly from the early to mid stages of diffusion. This makes it a key tool for perfumers to construct fresh-air or “clean laundry” accords, while helping floral bouquets feel lighter, more modern, and completely shed any heavy, classical weight.
One of the most iconic formula “signatures” that shaped the clean scent style of the 1990s is the combination of Floralozone with the clean musk Galaxolide and Dihydromyrcenol, alongside its excellent synergy with marine notes like Calone or with white florals. Because of its overwhelming power, in practical use this material is often pre-diluted into 10% or 50% solutions in DPG or ethanol to make accurate dosing easier and to avoid damaging the overall structure of the fragrance.
Applications
Floralozone is not only a standout in sporty, energetic, or minimalist men’s and women’s fragrances; it also holds a strong position in the laundry and fabric-care industry thanks to its excellent substantivity on wet fabric, delivering a crisp “just-cleaned” impression to clothes, as well as freshness in soaps and shower gels. A classic proof of its power is Calvin Klein’s Eternity for Women (1988), where the renowned perfumer Sophia Grojsman boldly used a large amount of Floralozone to create a sharp, radiant, highly diffusive floral effect-helping define the American perfume style of that era, alongside another famous name, Escape.
In Steffen Arctander’s 1969 book Perfume and Flavor Chemicals, there is no information on this substance, because Floralozone was commercialized and became widely known after the book was published. However, using this active material requires great caution, as it is strictly limited by IFRA standards due to its potential to cause irritation and skin sensitization if overdosed. According to the referenced IFRA 51 amendment, the maximum use level for spray perfumes is only about 1.3% to 1.5%, and even lower for rinse-off products-far more modest than materials such as Hedione or Iso E Super-so consulting the most up-to-date regulatory tables is mandatory. In terms of storage, like other aldehydes, Floralozone oxidizes easily, so it should be kept in tightly sealed bottles, protected from light and high temperatures, and an antioxidant should be added if long-term storage is intended.
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Technical standards
Technical standards
| Physical appearance | Transparent liquid | Conform |
| Color | Colorless | Conform |
| Specific Gravity @20˚C | 0.951 → 0.958 | 0.9561 |
| Refractive Index @20˚C | 1.504 → 1.508 | 1.5062 |
| Acid value (mgKOH/g) | ≤ 1.0 | 0.12 |
| Purity | ≥ 97.0% | 98.3% |
Solubility @25˚C
Solubility @25˚C
| Solvent | Solubility (g/L) |
|---|---|
| ethanol | 914.03 |
| methanol | 563.1 |
| isopropanol | 794.68 |
| water | 0.28 |
| ethyl acetate | 1874.49 |
| n-propanol | 925.15 |
| acetone | 2052.92 |
| n-butanol | 884.67 |
| acetonitrile | 1654.5 |
| DMF | 2049.43 |
| toluene | 1025.29 |
| isobutanol | 755.59 |
| 1,4-dioxane | 1485.39 |
| methyl acetate | 1683.55 |
| THF | 2196.8 |
| 2-butanone | 2119.04 |
| n-pentanol | 581.63 |
| sec-butanol | 789.81 |
| n-hexane | 194.92 |
| ethylene glycol | 89.63 |
| NMP | 1376.91 |
| cyclohexane | 229.12 |
| DMSO | 1026.23 |
| n-butyl acetate | 1906.68 |
| n-octanol | 388.26 |
| chloroform | 4110.47 |
| n-propyl acetate | 1230.76 |
| acetic acid | 517.93 |
| dichloromethane | 4531.71 |
| cyclohexanone | 2393.7 |
| propylene glycol | 204.22 |
| isopropyl acetate | 969.53 |
| DMAc | 1264.73 |
| 2-ethoxyethanol | 634.82 |
| isopentanol | 817.2 |
| n-heptane | 150.77 |
| ethyl formate | 1331.67 |
| 1,2-dichloroethane | 2661.53 |
| n-hexanol | 999.64 |
| 2-methoxyethanol | 910.1 |
| isobutyl acetate | 724.28 |
| tetrachloromethane | 589.95 |
| n-pentyl acetate | 690.08 |
| transcutol | 1859.03 |
| n-heptanol | 379.22 |
| ethylbenzene | 667.86 |
| MIBK | 863.97 |
| 2-propoxyethanol | 1054.08 |
| tert-butanol | 881.17 |
| MTBE | 1106.55 |
| 2-butoxyethanol | 566.81 |
| propionic acid | 749.53 |
| o-xylene | 593.35 |
| formic acid | 118.69 |
| diethyl ether | 1247.28 |
| m-xylene | 693.72 |
| p-xylene | 749.47 |
| chlorobenzene | 1334.72 |
| dimethyl carbonate | 481.61 |
| n-octane | 62.22 |
| formamide | 294.69 |
| cyclopentanone | 2527.07 |
| 2-pentanone | 1712.86 |
| anisole | 1067.67 |
| cyclopentyl methyl ether | 1191.0 |
| gamma-butyrolactone | 2422.39 |
| 1-methoxy-2-propanol | 818.03 |
| pyridine | 1729.77 |
| 3-pentanone | 1265.07 |
| furfural | 1774.2 |
| n-dodecane | 41.09 |
| diethylene glycol | 445.03 |
| diisopropyl ether | 385.05 |
| tert-amyl alcohol | 773.44 |
| acetylacetone | 1277.81 |
| n-hexadecane | 49.58 |
| acetophenone | 931.47 |
| methyl propionate | 1355.22 |
| isopentyl acetate | 1394.35 |
| trichloroethylene | 4713.95 |
| n-nonanol | 318.0 |
| cyclohexanol | 730.22 |
| benzyl alcohol | 640.73 |
| 2-ethylhexanol | 653.37 |
| isooctanol | 320.79 |
| dipropyl ether | 902.86 |
| 1,2-dichlorobenzene | 1111.4 |
| ethyl lactate | 404.18 |
| propylene carbonate | 1519.46 |
| n-methylformamide | 1044.11 |
| 2-pentanol | 638.07 |
| n-pentane | 149.55 |
| 1-propoxy-2-propanol | 939.35 |
| 1-methoxy-2-propyl acetate | 1035.78 |
| 2-(2-methoxypropoxy) propanol | 489.54 |
| mesitylene | 409.29 |
| ε-caprolactone | 1767.34 |
| p-cymene | 397.54 |
| epichlorohydrin | 2745.97 |
| 1,1,1-trichloroethane | 2496.71 |
| 2-aminoethanol | 263.05 |
| morpholine-4-carbaldehyde | 1334.18 |
| sulfolane | 1878.86 |
| 2,2,4-trimethylpentane | 83.29 |
| 2-methyltetrahydrofuran | 1751.32 |
| n-hexyl acetate | 964.21 |
| isooctane | 77.68 |
| 2-(2-butoxyethoxy)ethanol | 648.31 |
| sec-butyl acetate | 763.43 |
| tert-butyl acetate | 877.57 |
| decalin | 154.23 |
| glycerin | 198.0 |
| diglyme | 1222.25 |
| acrylic acid | 522.86 |
| isopropyl myristate | 355.96 |
| n-butyric acid | 1179.7 |
| acetyl acetate | 763.94 |
| di(2-ethylhexyl) phthalate | 282.69 |
| ethyl propionate | 1045.34 |
| nitromethane | 1445.77 |
| 1,2-diethoxyethane | 1066.29 |
| benzonitrile | 1143.5 |
| trioctyl phosphate | 226.86 |
| 1-bromopropane | 1740.86 |
| gamma-valerolactone | 2332.56 |
| n-decanol | 241.72 |
| triethyl phosphate | 343.59 |
| 4-methyl-2-pentanol | 378.42 |
| propionitrile | 1527.63 |
| vinylene carbonate | 1258.95 |
| 1,1,2-trichlorotrifluoroethane | 1107.77 |
| DMS | 650.6 |
| cumene | 433.64 |
| 2-octanol | 276.38 |
| 2-hexanone | 1196.5 |
| octyl acetate | 438.49 |
| limonene | 524.96 |
| 1,2-dimethoxyethane | 1322.45 |
| ethyl orthosilicate | 328.67 |
| tributyl phosphate | 305.08 |
| diacetone alcohol | 801.61 |
| N,N-dimethylaniline | 653.48 |
| acrylonitrile | 1541.26 |
| aniline | 814.85 |
| 1,3-propanediol | 422.16 |
| bromobenzene | 1538.21 |
| dibromomethane | 2916.38 |
| 1,1,2,2-tetrachloroethane | 3169.71 |
| 2-methyl-cyclohexyl acetate | 684.44 |
| tetrabutyl urea | 367.19 |
| diisobutyl methanol | 342.13 |
| 2-phenylethanol | 669.83 |
| styrene | 804.12 |
| dioctyl adipate | 488.08 |
| dimethyl sulfate | 607.0 |
| ethyl butyrate | 1148.56 |
| methyl lactate | 407.19 |
| butyl lactate | 473.82 |
| diethyl carbonate | 663.34 |
| propanediol butyl ether | 503.58 |
| triethyl orthoformate | 572.96 |
| p-tert-butyltoluene | 368.15 |
| methyl 4-tert-butylbenzoate | 600.38 |
| morpholine | 1677.5 |
| tert-butylamine | 638.34 |
| n-dodecanol | 186.98 |
| dimethoxymethane | 1133.85 |
| ethylene carbonate | 1073.19 |
| cyrene | 502.83 |
| 2-ethoxyethyl acetate | 807.23 |
| 2-ethylhexyl acetate | 1088.56 |
| 1,2,4-trichlorobenzene | 1152.87 |
| 4-methylpyridine | 2046.91 |
| dibutyl ether | 626.71 |
| 2,6-dimethyl-4-heptanol | 342.13 |
| DEF | 1515.4 |
| dimethyl isosorbide | 959.35 |
| tetrachloroethylene | 1747.2 |
| eugenol | 506.66 |
| triacetin | 655.0 |
| span 80 | 438.08 |
| 1,4-butanediol | 198.98 |
| 1,1-dichloroethane | 3002.75 |
| 2-methyl-1-pentanol | 587.2 |
| methyl formate | 907.4 |
| 2-methyl-1-butanol | 734.89 |
| n-decane | 77.7 |
| butyronitrile | 1709.74 |
| 3,7-dimethyl-1-octanol | 402.65 |
| 1-chlorooctane | 376.07 |
| 1-chlorotetradecane | 135.53 |
| n-nonane | 82.03 |
| undecane | 54.72 |
| tert-butylcyclohexane | 149.31 |
| cyclooctane | 90.69 |
| cyclopentanol | 712.55 |
| tetrahydropyran | 1875.57 |
| tert-amyl methyl ether | 772.77 |
| 2,5,8-trioxanonane | 743.39 |
| 1-hexene | 740.48 |
| 2-isopropoxyethanol | 511.73 |
| 2,2,2-trifluoroethanol | 194.18 |
| methyl butyrate | 1470.77 |
Scent© AI

Olfactory Pyramid
Notes
| Floral |
| Green |
| Fresh |
| Aldehydic |
| Muguet |
| 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