Citronellol

✦ Natural-identical acyclic monoterpenoid alcohol with a fresh, rosy, citrus-green scent profile
✦ Core building block for rose, neroli, and geranium accords in fine fragrance and attars
✦ Found naturally in rose otto, geranium oil, and citronella oil — also produced synthetically
✦ Widely used in functional fragrance for shampoos, body washes, creams, and soaps
✦ Contributes mild skin-conditioning and antimicrobial benefits in cosmetic formulations
✦ Excellent blending behaviour — bridges floral, citrus, and green fragrance families seamlessly
✦ Vegan-friendly; suitable for halal and cruelty-free formulations when sourced as synthetic

Citronellol is an acyclic monoterpenoid alcohol that occurs naturally in over 70 essential oils, most notably rose otto, geranium, and citronella. It has been used in perfumery for over a century and was first isolated from citronella oil in the late 19th century. Its natural distribution and highly pleasant scent made it one of the earliest aroma chemicals to be characterised and synthesised for commercial perfumery use.

What makes citronellol exceptional is its dual character — it reads as both rosy-floral and fresh-citrus depending on the surrounding composition. In low concentrations it lends a dewy, natural softness to rose accords. At higher concentrations it introduces a green, almost diffusive brightness. This flexibility allows it to function as a modifier, a body note, and an accent simultaneously, making it indispensable for both classical and modern fragrance construction.

Rabibazaar supplies cosmetic-grade citronellol suitable for perfumers, cosmetic formulators, soap makers, and home fragrance crafters seeking a reliable and versatile rosy aroma chemical.

SCENT DESCRIPTION : Citronellol opens with a clean, dewy freshness that quickly blooms into a soft and naturalistic rose. The heart is rosy-floral with a subtle green clarity — reminiscent of rose petals just after rain. A faint citrus brightness lifts the overall impression, giving it a luminous and airy quality that never feels heavy or synthetic. On drydown it settles into a gentle, slightly powdery floral warmth.

NOTE POSITION : Mid / Top-Mid

FRAGRANCE FAMILY : Floral · Citrus · Green

FACETS : Rosy · Fresh · Dewy · Green · Citrus

TENACITY : Medium — 3 to 5 hours on skin

SILLAGE : Medium — diffuses softly through the heart phase with a clean floral presence

Chemical Name : 3,7-Dimethyloct-6-en-1-ol
CAS Number : 106-22-9
Synonyms : Beta-Citronellol · Dihydrogeraniol · 3,7-Dimethyl-6-octen-1-ol
Purity : 95% minimum
Appearance : Colorless to pale yellow clear mobile liquid
Odor Threshold : Approximately 40 ppb (0.04 ppm)
Solubility : Insoluble in water; soluble in alcohol, fixed oils, and mineral oil
Specific Gravity : 0.850 – 0.860 at 20°C
Flash Point : 95°C (203°F)
Type : Natural / Synthetic (natural-identical; also occurs in essential oils)

Fine Fragrance ★★★★★
Citronellol is a cornerstone ingredient in rose, neroli, and geranium-type fine fragrances. It provides naturalistic floral body and acts as an excellent bridge between top citrus notes and deeper base materials. Widely used in EDPs, EDTs, and luxury soliflore compositions.

Attar & Oriental Blending ★★★★★
In attar-making and oriental perfumery, citronellol complements oud, rose absolutes, musks, and sandalwood beautifully. It lifts heavy oriental bases with its fresh-rosy brightness and is a key component in classical Taif rose and Damask rose compositions. Highly recommended for Pakistani and Middle Eastern attar formulators.

Functional Fragrance ★★★★☆
Citronellol performs well in rinse-off applications including shampoos, body washes, and soaps. Its fresh-rosy scent makes it a popular choice in personal care products. Usage rates must remain within IFRA category limits for any leave-on applications.

Cosmetics ★★★☆☆
In creams, lotions, and serums, citronellol functions as a fragrance ingredient and mild skin-conditioning agent. IFRA leave-on limits must be strictly observed. It contributes a pleasant rosy scent to formulations without overpowering the base.

Home Fragrance ★★★★☆
Citronellol works well in reed diffusers, room sprays, and potpourri. Its fresh-rosy character blends easily with other florals and citrus materials. In candles it performs reliably; its moderate flash point should be noted during production safety planning.

RECOMMENDED USAGE RATES

Application : Recommended Rate
EDP : 0.5 – 2.0%
EDT : 0.3 – 1.5%
Body Lotion : 0.3 – 1.0% (observe IFRA leave-on limits)
Shampoo/Body Wash : 0.5 – 2.0% (rinse-off; higher tolerance)
Candle : 3.0 – 6.0%
Reed Diffuser : 5.0 – 15.0%
Soap (Bar) : 1.0 – 3.0%

IFRA 51ST AMENDMENT LIMITS

Category 1 (Lip products) : 1.4%
Category 2 (Deodorant / underarm leave-on) : 0.7%
Category 3 (Eye area / intimate area) : 0.5%
Category 4 (Unrinsed leave-on body/hair) : 1.0%
Category 5 (Leave-on face and hand) : 1.6%
Category 6 (Rinse-off face) : 3.3%
Category 7 (Hair products — unrinsed) : 1.0%
Category 8 (Rinse-off body/bath) : 4.0%
Category 9 (Rinse-off hair) : 5.0%
Category 10 (Household / industrial) : No restriction listed
Category 11 (Candles / incense / air care) : No restriction listed

⚠️ Citronellol is classified as a known skin sensitizer. Always observe IFRA limits for leave-on applications and dilute before any direct skin contact.
⚠️ Verify current IFRA 51st Amendment limits at ifrafragrance.org before any commercial formulation.

HOW TO USE

As a Floral Modifier
Add citronellol at 0.5 – 2.0% in the heart phase to introduce a natural rosy freshness to any floral accord. It works best introduced alongside geraniol or a trace of rose oxide to construct a convincing Damask rose effect.

As an Accord Extender
Use citronellol at 1.0 – 3.0% to extend the bloom and longevity of rose, neroli, and geranium accords. Its mid-note character bridges sparkling top notes and heavier base materials smoothly without disrupting accord coherence.

As a Functional Fragrance Base
In rinse-off formulations, use citronellol at 0.5 – 2.0% to deliver a fresh, rosy scent with good diffusion during use. It pairs well with linalool and limonene for a clean and widely accepted personal care scent profile.

BEST PAIRINGS

Geraniol → Deepens and extends the rose character; creates a fuller, more complete floral bouquet
Rose Oxide → Amplifies naturalistic rose effect at very low concentrations; use at 0.02 – 0.05%
Linalool → Adds fresh, clean softness; lightens and lifts the overall accord
Hedione → Enhances diffusion and adds a sheer jasmine-like transparency to the heart
Citronellyl Acetate → Green-rosy extension from the same chemical family; adds natural coherence
Iso E Super → Provides a modern woody backdrop that contrasts and grounds citronellol's brightness
Benzyl Acetate → Adds a fruity-floral lift that rounds and softens the accord

AVOID

Citronellol can become flat or muffled in compositions dominated by very heavy musks or overdosed benzyl benzoate. Avoid pairing at high concentrations with strongly animalic materials unless bridged with a lighter floral or transparent intermediate.

Citronellol is one of those materials I reach for whenever a rose accord feels too synthetic or thin. It has an inherent naturalness — a dewy, living quality — that no solo synthesis of rose oxide or geraniol alone can fully replicate. When I evaluate it neat, it reads as rosy and fresh simultaneously, like standing beside a rose bush in a garden rather than holding a cut flower indoors. That green, breathing edge is precisely what gives it such enduring value: it brings movement and biological credibility to any floral heart that would otherwise feel flat and constructed.

ADVANCED TIP: Build a three-material rosy core using citronellol at 1.5%, geraniol at 0.8%, and rose oxide at 0.02 – 0.03%. This triangle creates a convincing Damask rose impression at minimal cost compared to rose absolute. Then introduce Hedione at 1.0% to open the accord and increase diffusion. For attar applications, layer this core over a base of 5% sandalwood and 2% oud — the contrast between the clean rosy top and the deep resinous base is exactly what defines the best traditional Pakistani and Arabic rose attars.

Physical State : Clear mobile liquid at room temperature
Skin Safety : Known sensitizer at high concentrations; observe IFRA limits; always dilute before skin contact
Eye Contact : Avoid direct contact; flush immediately with clean water for 15 minutes; seek medical advice if irritation persists
Ingestion : Not for consumption; if ingested seek immediate medical attention
Ventilation : Use in a well-ventilated space; avoid prolonged inhalation of neat undiluted material
Storage : Cool, dark location between 5°C and 25°C; away from heat sources and direct sunlight
Shelf Life : 24 – 36 months when stored in sealed container under correct conditions
Container : Original airtight container preferred; HDPE, glass, or aluminium recommended; avoid PVC
Flammability : Combustible liquid; flash point 95°C (203°F); keep away from open flames during handling and production

Q: What is citronellol used for in perfumery?
A: Citronellol is used to build rosy, fresh, and floral accords. It is a core ingredient in rose, neroli, geranium, and oriental compositions. It also works as a modifier to add naturalistic character to synthetic blends.

Q: Is citronellol safe to use in skin care products?
A: Yes, but within IFRA limits. It is a known sensitizer and must be used at regulated concentrations. For leave-on products such as creams and lotions, stay within the IFRA 51st Amendment Category 5 limit of 1.6%.

Q: Can citronellol be used in candles and reed diffusers?
A: Yes. There are no IFRA restrictions for candles and air care applications. Use citronellol at 3 – 6% in candles and 5 – 15% in reed diffusers for a clean, rosy, and fresh room fragrance effect.

Q: How do I build a simple rose accord using citronellol?
A: Start with citronellol at 1.5%, add geraniol at 0.8%, and use rose oxide at 0.02 – 0.05%. Add Hedione at 1.0% for transparency and diffusion. This four-material core produces a convincing naturalistic Damask rose.

Q: How does citronellol compare to geraniol?
A: Both are rosy floral alcohols from the same terpenoid family but they smell distinctly different. Geraniol is warmer, sweeter, and more full-bodied — closer to a true rose petal. Citronellol is fresher, more dewy, and carries a subtle citrus-green edge. Used together they create a far more complete and naturalistic rose accord than either ingredient achieves alone.

Professional formulation workflow

Citronellol should be evaluated in a controlled small batch before production. Confirm the supplied grade, active concentration and recommended application range from the current supplier documentation. Weigh accurately instead of measuring by drops, record every adjustment, and compare the modified trial against an unchanged control.

Compatibility and quality checks

Test the ingredient in the actual alcohol, oil, surfactant, emulsion or wax base intended for sale. Observe clarity, separation, color, odor and performance immediately after mixing and again after a suitable resting period. A material that looks stable in a concentrate can behave differently in the finished formulation.

Scale-up and safety

Convert percentages into exact batch weights and verify the final consumer-product concentration before scaling. Follow the latest applicable IFRA, cosmetic, chemical and supplier safety documentation for the intended category. Use appropriate protective equipment, ventilation and clearly labeled containers, and retain a sample from every approved batch for quality comparison.