What Is Fleuramone?
Fleuramone is an aroma chemical prized for the vivid floral nuance it brings to perfumes and fragranced products. It is produced by IFF, one of the leading names in the flavour and fragrance sector, although you may also come across non-branded equivalents sold by other suppliers.
Chemists sometimes refer to it as 2-Heptylcyclopentanone. The alternative title looks intimidating but it is the same material, easily confirmed by its CAS number 137-03-01 which never changes.
The molecule is made by controlled chemical synthesis that gives a consistent purity suited to fine fragrance work. It appears at room temperature as a clear liquid that ranges from colourless to a faint straw tint, flowing easily from the dropper.
Perfumers reach for Fleuramone when they need a concentrated jasmine facet without the cost or instability of natural absolutes. As a result it shows up in fine fragrance, soaps, fabric conditioners and even powder detergents, making it a fairly common tool in the perfumer’s palette.
When stored in a cool dark place in tightly closed containers it keeps its quality for roughly two to three years. Cost-wise it sits in the middle ground: not the cheapest material on the market yet far more affordable than many natural floral extracts.
Fleuramone’s Scent Description
The ingredient is classed within the floral family. Off a blotter it opens with a clear jasmine signature that feels radiant rather than heady. Alongside the bloom you may notice a soft milky tone and a crisp green edge that keeps the impression fresh rather than overly sweet.
Fleuramone behaves mainly as a middle note. It shows a brief bright lift at first sniff, settles into a rich heart that lasts several hours then fades without leaving a heavy residue, so it does not usually anchor a composition like a true base note.
Projection is moderate: strong enough to be easily perceived yet not so dominant that it overwhelms other floral or fruity partners. Longevity on a blotter is good, typically remaining detectable for six to eight hours which gives the perfumer dependable endurance through the heart of a fragrance build.
How & Where To Use Fleuramone
Perfumers usually slot Fleuramone into the heart of a composition whenever a luminous jasmine effect is needed without the indolic weight of natural absolutes. It excels in modern white floral accords, pairs smoothly with hedione for lift and can round out orange blossom or ylang ylang themes that feel too sharp.
At trace dose levels below 0.1 % it functions as a modifier, adding a milky greenness that freshens fruity or tea notes. Between 0.2 % and 1 % it becomes more noticeable, supplying a clearly recognizable jasmine petal impression that still leaves room for other flowers. Push it toward the 3 % to 5 % zone and the material takes center stage, giving a lush creamy bloom that can feel almost tropical.
Its versatility stretches beyond fine fragrance. In soaps and fabric conditioners Fleuramone keeps its character through the wash cycle, which is why formulators often include 0.3 % to 1 % to preserve a floral signature on laundered fabric. In powder detergent performance remains solid yet the green facet can skew slightly metallic at high loading so moderation is wise.
Overuse brings two main risks. First the lactonic note can turn overly buttery and weigh down a bouquet, especially alongside rich musks. Second a concentrated dose may clash with citrus tops, muting sparkle. A quick smelling strip test at the intended level helps avoid these pitfalls.
Prep work is straightforward. The ingredient dissolves readily in ethanol, dipropylene glycol or most perfume oils so a 10 % dilution is standard for organ work. Shake the bottle before use if it has stood for a long time as the heavier molecule can settle. When blending with delicate ionones or aldehydes add Fleuramone gradually because its creamy body can mask lighter materials if dumped in quickly.
Because the material is readily biodegradable and plant derived it fits well in eco positioned launches. Still, formulas destined for natural certification programs should confirm acceptance with the relevant authority since synthetic processing is involved.
Safely Using Fleuramone
Safe handling starts with dilution. Always prepare a working solution before evaluating the scent and resist the urge to sniff directly from the neat bottle. Conduct all weighing and blending in a ventilated space to prevent vapor build up that could irritate the nose or lungs. Gloves and safety glasses protect skin and eyes from accidental splashes.
Like many aroma chemicals Fleuramone can provoke irritation or an allergic response in sensitive individuals, particularly with repeated contact. Those who are pregnant or breastfeeding should consult a healthcare professional before prolonged work with any fragrance material.
Brief exposure to low concentrations is generally considered low risk yet sustained contact with high levels may lead to headaches, nausea or dermatitis. Clean spills promptly with absorbent paper and dispose of waste according to local regulations to keep work areas safe.
Before each project review the latest Safety Data Sheet supplied by the vendor because classifications and recommended limits can change. Follow current IFRA guidelines for maximum use levels in the intended product category and keep a log of compliance checks for regulatory audits.
How To Store & Dispose of Fleuramone
Good storage habits keep Fleuramone fresh and stop waste. A fridge set around 5 °C slows any change in colour or scent, though a simple cool dark cupboard often works if space is tight. Keep the bottle away from heaters or sunny windows because warmth speeds oxidation.
Use glass bottles with tight polycone caps for both neat material and dilutions. These caps press into the neck and seal far better than dropper tops, so less air sneaks inside. Try to decant into the smallest bottle that will hold the batch. A full container leaves little headspace which cuts contact with oxygen and helps the aroma stay true.
If you must pour from one vessel to another work quickly, wipe the rim then close the cap at once. Add a clear label that shows the material name, percentage if diluted, date prepared and any hazard icons from the latest Safety Data Sheet. A neat label saves confusion months later when you reach for a base.
Store acids, aldehydes and strong bases on a different shelf so cross odour does not creep in. Keep a spill kit of paper towels and a small bin with a lid nearby. Should a leak occur absorb the liquid, seal the used towels in a bag then place the bag in the bin until you can handle disposal.
Fleuramone is readily biodegradable which simplifies end of life steps. Small lab amounts can usually go into the general solvent waste drum provided by local regulations. Never pour large volumes down the sink as this can still stress water systems. Empty bottles should be triple rinsed with alcohol, air dried then recycled as glass if rules allow.
Summary
Fleuramone is an IFF floral building block that supplies a bright jasmine heart with a soft milky green twist. It bridges the gap between fragile natural absolutes and harsher synthetic jasmines which makes it a go to choice for many perfumers.
The scent sits squarely in the middle register. It adds lift without the heavy indole note found in true jasmine and it keeps its voice through soap, fabric care and fine fragrance thanks to solid stability. Cost lands mid range, so it offers good value when a formula needs elegance yet must watch the budget.
Workability is easy. It dissolves in common perfume carriers, lasts two to three years with good storage and aligns with eco claims like vegan suitable and biodegradable. Points to watch are oxidation if air exposed and the creamy side turning too buttery when overdosed.
Commercial users buy Fleuramone direct from IFF or authorised distributors in kilogram packs. Hobbyists can pick up smaller bottles from third party aroma houses and generic versions from online suppliers. Whether you need a trace accent or a blooming floral core it remains a reliable tool that earns its space on the bench.