Ethyl Butyrate

✦ Pure synthetic ester delivering a vivid pineapple, tropical fruit, and fresh banana aroma character
✦ Primary top note modifier — adds an immediate bright and juicy fruity burst to any accord
✦ Widely used in fine fragrance, body care, candles, reed diffusers, and food-grade flavour applications
✦ Key molecule found in pineapple, strawberry, and mango natural profiles — mimics fresh fruit perfectly
✦ Excellent diffusion and lift in alcohol-based perfumes, contributing strong opening impact
✦ Vegan and cruelty-free — 100% synthetically produced with no animal-derived raw materials
✦ Highly versatile — blends with citrus, floral, green, and gourmand accords with ease

Ethyl Butyrate, also known as ethyl butanoate, is a simple aliphatic ester formed by the esterification of butyric acid and ethanol. It occurs naturally in trace amounts in pineapples, strawberries, bananas, and mangoes, and is one of the key molecules responsible for the characteristic tropical fruit scent these fruits are known for. Commercially, it has been produced synthetically since the early twentieth century and is among the most widely used aroma chemicals in both the fragrance and food flavour industries globally.

What makes ethyl butyrate particularly special is its extraordinary diffusivity and naturalness despite being a simple synthetic molecule. It creates an instant sensory impression of freshness and tropical abundance at very low concentrations. Its low molecular weight means it evaporates rapidly, providing an impactful opening note before gracefully lifting away. This makes it an essential tool for perfumers who want to create bright, juicy, and immediately appealing top-note structures without relying on natural fruit extracts, which are typically unstable, expensive, or technically difficult to work with.

Rabibazaar supplies cosmetic-grade ethyl butyrate suitable for DIY perfumers, independent fragrance houses, beauty product formulators, and home fragrance crafters across Pakistan who require a reliable, high-purity fruity aroma material.

SCENT DESCRIPTION : Ethyl Butyrate opens with an intensely juicy, ripe pineapple note that is fresh, tropical, and almost edible in character. There is a soft undercurrent of green banana and fresh mango that gives it natural fruit complexity beyond a single-fruit impression. At moderate concentrations it reads as a clean tropical burst, while at higher doses it can take on a slight solvent edge that lifts and diffuses powerfully. It is bright, cheerful, and immediately recognisable as a fruit accord anchor.

NOTE POSITION : Top Note

FRAGRANCE FAMILY : Fruity · Tropical · Green

FACETS : Pineapple · Tropical · Juicy · Banana · Fresh

TENACITY : Low — 1 to 2 hours on skin, up to 3 hours on paper

SILLAGE : High — projects strongly and immediately on application due to high volatility and excellent diffusion

Chemical Name : Ethyl Butanoate (Ethyl n-Butyrate)
CAS Number : 105-54-4
Synonyms : Ethyl n-Butyrate · Butyric Acid Ethyl Ester · Butyric Ether · Ethyl Butanoate
Purity : 99% min
Appearance : Colourless to very pale yellow clear liquid
Odor Threshold : Approximately 0.001 ppm in air — extremely low detection threshold
Solubility : Slightly soluble in water · Fully miscible in ethanol, IPM, and fragrance oils
Specific Gravity : 0.878 – 0.882 at 20°C
Flash Point : 24°C (75°F) — classified as a flammable liquid, Class IB
Type : Synthetic Ester

Fine Fragrance : ★★★★★
Ethyl Butyrate is a staple top-note ingredient in fine fragrance, particularly in fruity-floral, tropical, and fresh aquatic compositions. It contributes the first burst of juicy brightness that draws the wearer in and creates an instant positive impression. Even at 0.3 to 1.5% in an EDP it performs noticeably and adds natural fruit lift to the opening.

Attar & Oriental Blending : ★★★☆☆
While not a traditional attar material, ethyl butyrate is increasingly used in modern oriental-fruity accords to add a fresh tropical top note over rich oud, musk, and resinous bases. It contrasts effectively with heavy base materials and modernises classical oriental structures. Use with restraint — 0.2 to 0.5% is sufficient over dense bases.

Functional Fragrance : ★★★★☆
In shampoos, conditioners, body washes, and fabric softeners, ethyl butyrate contributes a bright fruity freshness that consumers associate with cleanliness and vitality. It is stable in mildly acidic to neutral rinse-off systems. It is widely used in mass-market personal care to create tropical and fruit-fresh variants.

Cosmetics : ★★★☆☆
Ethyl Butyrate can be used in leave-on cosmetics such as body lotions and creams at low concentrations for a light fruity freshness. Its high volatility means fragrance persistence is limited, but the initial sensory impression is pleasant and uplifting. Keep usage rates below 0.3% in leave-on applications to avoid any skin sensitivity concerns.

Home Fragrance : ★★★★★
In candles and reed diffusers, ethyl butyrate delivers exceptional diffusion and a powerful tropical fruit throw. It is highly effective in cold throw for candles and diffuses rapidly in reed diffuser applications. Its low flash point requires careful handling during candle manufacturing — always blend below flash point with appropriate safety measures.

RECOMMENDED USAGE RATES

EDP (Eau de Parfum) : 0.5 – 1.5%
EDT (Eau de Toilette) : 0.3 – 1.0%
Body Lotion : 0.05 – 0.3%
Shampoo / Body Wash : 0.1 – 0.5%
Candle : 1.0 – 3.0%
Reed Diffuser : 2.0 – 6.0%
Bar Soap : 0.2 – 0.5%

IFRA 51st AMENDMENT STATUS

Ethyl Butyrate (CAS 105-54-4) is not listed as a restricted or prohibited material under the IFRA 51st Amendment. It is not classified as a known skin sensitiser under IFRA guidelines and does not appear on the IFRA Transparency List as a restricted ingredient. Standard industry usage rates and good manufacturing practice apply.

⚠ Flash Point Warning : Flash point is 24°C. This material is a Class IB flammable liquid. Keep away from open flames and heat sources. When blending for candles, always work below the flash point temperature and in a well-ventilated space.

⚠ High Volatility : Due to its extremely low boiling point and high volatility, store sealed in a cool location to prevent evaporative loss and maintain potency.

METHOD 1 — DIRECT ACCORD BUILDING
Add ethyl butyrate as the first ingredient in your accord build to establish the fruity backbone. Start at 0.5% in your total formula and assess the impact before adjusting. This approach works well when building pineapple, mango, or tropical fruity accords from the ground up. It anchors the fruit theme before you layer in citrus, green, and floral materials.

METHOD 2 — TOP NOTE BRIGHTENER
Use ethyl butyrate at 0.2 to 0.5% as a brightening modifier added to an existing fragrance formula. It can lift a heavy or flat accord by injecting a fresh tropical burst without dramatically changing the core character. This is particularly effective in oriental and gourmand bases that need a lighter, fresher opening.

METHOD 3 — NATURALS EXTENSION
Pair ethyl butyrate with natural citrus or tropical essential oils such as lime or petitgrain to create a more complex and convincing natural fruit top note. The ester bridges the gap between synthetic and natural materials, adding depth and realism to essential oil-based compositions.

BEST PAIRINGS

Linalool → Rounds the fruitiness and adds a soft floral-tropical warmth
Citral / Lemon EO → Brightens and sharpens the citrus-tropical effect
Cis-3-Hexenol → Adds green freshness and natural juiciness to the fruit accord
Methyl Dihydrojasmonate → Creates a fruity-floral bridge with excellent radiance
Iso E Super → Adds woody depth and longevity behind the volatile top note
Vanillin → Creates a fruity-gourmand tropical dessert accord
Ambroxan → Anchors the volatile top note and extends sillage significantly

AVOID

Avoid combining at high concentrations with strong sulphurous or savoury materials such as dimethyl sulphide or fenugreek absolute, as these clash with the clean fruity character and create an unpleasant cooked-fruit or rotten effect.

I reach for ethyl butyrate whenever I need that unmistakeable moment of tropical brightness at the very opening of a composition. It is one of those rare materials that does exactly one job — but does it better than almost anything else available. Even at concentrations as low as 0.3%, it can transform a flat or lifeless top note into something immediately engaging and joyful. What I find most interesting is how it interacts with musks and ambers in the base — even though it evaporates quickly, it leaves behind a subtle sweetness that softens what comes next. It is not just a top note — it is a frame that shapes the emotional tone of the entire opening.

ADVANCED TIP : To extend the perceived longevity of ethyl butyrate beyond its natural evaporation window, try blending it with a small amount of ethyl linalool or ethyl maltol at a 3:1 ratio. Ethyl maltol acts as a fixative bridge — it does not hold the exact same molecule but sustains the fruity-sweet impression in the heart, creating a seamless continuation of the tropical character rather than an abrupt disappearance. This technique is widely used in mass-market fruity-floral EDT formulas to give the illusion of lasting fruitiness at budget-friendly cost.

Physical State : Clear colourless liquid at room temperature
Skin Safety : Generally considered safe at recommended usage rates — avoid undiluted prolonged skin contact
Eye Contact : Irritant — avoid contact with eyes, flush immediately with water if contact occurs
Ingestion : Not for internal use in cosmetic or fragrance applications — food-grade applications require separate food-safe supply chain
Ventilation : Work in a well-ventilated area due to high volatility and vapour accumulation at room temperature
Storage : Store in tightly sealed container away from heat, direct sunlight, and ignition sources — ideal storage below 20°C
Shelf Life : 24 to 36 months in sealed original container under proper storage conditions
Container : Store in glass or HDPE containers — avoid PET and polystyrene due to potential solvent interaction
Flammability : Highly flammable — Class IB flammable liquid, flash point 24°C — keep away from all open flames and sparks

Q: What does Ethyl Butyrate smell like?
A: It smells like fresh, ripe pineapple with hints of banana and tropical fruit. It is juicy, bright, and immediately recognisable as a fruity top note.

Q: How much Ethyl Butyrate should I use in a perfume?
A: For an EDP or EDT, use between 0.3 and 1.5% of your total formula. Start at 0.5% and adjust — a little goes a long way with this highly potent material.

Q: Is Ethyl Butyrate safe for skin in leave-on products?
A: Yes at recommended cosmetic usage rates — typically below 0.3% in lotions and creams. It is not a known sensitiser under IFRA guidelines but should never be applied undiluted to skin.

Q: Can I use Ethyl Butyrate in soy or paraffin candles?
A: Yes, but with care. Its flash point is 24°C, which is very low. Always add it to cooled wax well below pouring temperature and never near open flame. Use between 1 and 3% in your candle formula.

Q: How does Ethyl Butyrate compare to natural pineapple extract or pineapple absolute?
A: Natural pineapple extracts are largely impractical for perfumery — they are unstable, expensive, and lose their scent rapidly. Ethyl Butyrate delivers a cleaner, more consistent, and far more cost-effective pineapple-tropical impression with excellent batch-to-batch reliability. Most professional pineapple accords in commercial perfumery are built primarily from synthetic esters like ethyl butyrate rather than natural fruit extracts.

Product evaluation

Review the specifications, supplied grade, intended use and compatibility of Ethyl Butyrate before ordering for production. Test a small quantity in the actual application and document the result before scaling.

Quality control

Inspect the received batch for expected appearance, odor, texture, packaging condition and labeling. Keep supplier and batch records, use accurate measurements, and retain a reference sample when the material is used commercially.

Storage and responsible use

Store tightly closed in a clean, cool and dry location away from direct sunlight. Follow the current supplier instructions and all safety, labeling and regulatory requirements that apply to the intended finished product.