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Ionone Alpha

Price range: £5.09 through £93.49

Odour description (decreasing) Violet, Woody, Warm, Powdery, Floral, Orris, Fruity, Berry, Balsamic

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Volume

Clear

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Perfume Extract · Material profile

Ionone Alpha

Odour description (decreasing)

Violet, Woody, Warm, Powdery, Floral, Orris, Fruity, Berry, Balsamic

Floral Fruity Powdery Resinous Woody Heart noteBase note

Floral family inspiration

About this material

Ionone Alpha is an elegant violet and woody aroma chemical valued for the soft, atmospheric depth it brings to fine fragrance compositions.

Its character combines delicate violet petals with warm woods and a subtle powdery quality, producing a refined effect that can feel both modern and quietly nostalgic.

Rather than behaving as a simple floral note, Ionone Alpha creates a smooth transition between floral heart materials and the warmer elements of a fragrance base.

It can add volume to a composition while softening sharp edges and helping contrasting materials feel more naturally connected.

Odour profile

Ionone Alpha presents a graceful violet character supported by warm, woody undertones.

The floral aspect is soft and diffusive rather than intensely sweet, with a polished powderiness reminiscent of violet petals, cosmetic powders and orris-inspired accords.

As the material develops, its warmer woody dimension becomes more noticeable, giving the fragrance depth and a gently enveloping quality.

Using Ionone Alpha in perfumery

Ionone Alpha is particularly suited to violet, iris and orris-inspired fragrances, floral bouquets, woody florals, powdery accords and elegant amber compositions.

It can enrich rose and jasmine structures while introducing softness to cedarwood, sandalwood and modern woody materials.

In retro-inspired fragrances, it helps create a recognisable powdery sophistication.

In contemporary work, it can be used more transparently to provide floral diffusion, warmth and a smooth connection between the heart and base.

Creative pairings

Explore Ionone Alpha with violet leaf materials, rose, jasmine, heliotropex, orris effects, cedarwood, sandalwood, musks, amber materials and soft fruit accents.

It is an especially useful material when a composition needs floral character without excessive sweetness.

Scent character

Highlights from the material’s listed odour profile.

Note position

Heart note · Base note

TopOpening impression

HeartMain fragrance character

BaseLasting foundation

Open Ingredient Explorer

DiffusiveRecorded diffusion characteristic

Odour strength

Strong

Listed qualitative strength

Tenacity / substantivity

112 Hour(s)

at 100%

Listed reference conditions

Fragrance development

TopHeartBase

Heart note · Base note

Illustrative note development · no measured evaporation data

Recorded identity reference

Molecular identity

Molecular reference

2D structure for the named substance

C₁₃H₂₀O

Molecular weight: 192.3 g/mol
IUPAC name: (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one

More compound properties

Computed and structural reference properties for the named compound. These are not measured supplier specifications or properties of a complete dilution, mixture or batch.

XLogP (computed): 3
Exact mass (Da): 192.151415257
Monoisotopic mass (Da): 192.151415257
Topological polar surface area (Å²): 17.1
Complexity: 282
Formal charge: 0
Hydrogen bond donors: 0
Hydrogen bond acceptors: 1
Rotatable bonds: 2
Heavy atoms: 14
Isotope atoms: 0
Atom stereocentres: 1
Bond stereocentres: 1
Covalent units: 1
SMILES: CC1=CCCC(C1/C=C/C(=O)C)(C)C
InChI: InChI=1S/C13H20O/c1-10-6-5-9-13(3,4)12(10)8-7-11(2)14/h6-8,12H,5,9H2,1-4H3/b8-7+
InChIKey: UZFLPKAIBPNNCA-BQYQJAHWSA-N

Reference data checked 2026-10-27.

This molecular reference matches the catalogue’s recorded CAS and formula. It does not confirm the supplied grade, purity, stereochemistry, isomer proportions, composition, impurities or unlisted constituents.

Fragrance allergen reference

Generic regulatory reference only. This is not a supplier allergen declaration, measured composition, allergen-free claim or finished-product labelling assessment.

Raw-material reference based on recorded CAS numbers. A CAS match identifies a reference entry; it does not verify the supplied grade, composition, purity or finished-product compliance. Naturals, bases and mixtures require composition review.

European Union / Northern Ireland

No direct listed-entry CAS match in this jurisdiction’s held reference set. This does not mean the material is allergen-free. Constituents, grouped entries and natural-material composition may require further review.

Finished-cosmetic declaration thresholds: greater than 0.001% leave-on; greater than 0.01% rinse-off. Apply the current target-market rules to the actual complete formulation; no concentration is inferred here.

Commission Regulation (EU) 2023/1545 · Regulation (EU) 2023/1545 with 11 November 2025 corrigendum; checked 2026-10-26.

Held EU transition dates: placing noncompliant products on the market until 2026-07-31; making them available until 2028-07-31. Check applicability and current law for the intended market. 2025 corrigendum.

Great Britain

Regulation (EC) No 1223/2009, Annex III (Great Britain) · legislation.gov.uk current text checked 2026-10-26.

Current supplier composition or allergen declarations are required to assess naturals, bases, mixtures and actual concentrations. Reference data checked 2026-10-26; bundle 2026-10-27. Supplementary private documents remain separate.

Product specification

Physical stateLiquidLiquid

CAS number	127-41-3
Odour description (decreasing)	Violet, Woody, Warm, Powdery, Floral, Orris, Fruity, Berry, Balsamic
Odour strength	Strong
Perfumery use	A refined violet-and-wood material for building orris, violet, powdery floral, berry, tea, tobacco, woody amber and cosmetic accords. It supplies both recognisable floral character and a warm, velvety body, making it particularly effective as a bridge between luminous floral notes and polished woods.Listed perfumery guidance; this is not an IFRA limit.
Typical use percentage	0.1–5% of the fragrance concentrate
Substantivity	112 Hour(s) at 100%
Solvent	None
Flash point	113 °C
Physical state	Liquid
Physical form	Liquid
Synonyms	α-Ionone; Alpha-Ionone; (E)-α-Ionone; trans-α-Ionone; Alpha-Cyclocitrylideneacetone; (E)-4-(2,6,6-Trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Recorded name / preparation	Alpha Ionone
Molecular formula	C₁₃H₂₀O

Safety & handling

Listed handling information

Not Hazardous According To EC 1272/2008

Important: For professional formulation use. Review the Safety Data Sheet before handling, storage or use.

Professional-use information

Datasheets & customer documents

Available documents are attached to eligible completed orders in your account.

My account → Orders

Supplementary documents are supplied only where explicitly listed and available. Check documentation information

Purchased as a guest? Follow the SDS request guidance in our Documentation Supply Policy and provide proof of purchase.

Documentation Supply Policy

IFRA formulation guide

Generic reference only — not an IFRA certificate, compliance decision or use recommendation. The Responsible Person and qualified safety assessor must assess the actual finished formula using current applicable IFRA Standards, supplementary documentation where available and the CPSR.

Source: 51st Amendment overview, held source checked 2026-10-21. Bundle 2026-10-27. Individual Standards prevail over the overview.

No direct IFRA overview entry matched the recorded CAS in this held dataset. This does not mean unrestricted use, absence of relevant Standards or compliance. Constituent restrictions may still apply.

IFRA source overview · Individual IFRA Standards and supplementary documentation

Supplier certificates and private documents are separate evidence. Their availability does not determine whether this generic guide is shown. This is a dated local reference, not a live regulatory feed.

Creative ideas to explore

Creative directions, not tested formulas.

Petals and peel

With bergamot and a light citrus idea

Explore a brighter version of the floral character using a simple citrus counterpoint. Compare it with the unchanged flower accord and note whether the citrus frames the bloom or becomes the main subject of the sketch.

Stem and blossom

With geranium and leafy notes

Sketch the flower with a greener setting, keeping leaf and blossom as distinct ideas. Compare a clean floral reference with the greener version to decide how much of the imagined stem and garden belongs in the composition.

Petals over wood

With a transparent wood direction

Place the floral material against a spare wood backdrop and follow the balance through the evaluation. Try a softer wood variation separately, then choose whether your flower needs an open, airy setting or a smoother, more enveloping frame.

Volume	10ml, 30ml, 100ml, 250ml, 500ml, 1l

Dilution Information

MaterialFragrance ingredient

Carrier / solventAs specified for the product

Supplied dilutionCheck the ratio and carrier

Concept illustration only; no dilution ratio or carrier is implied for this material. Refer to the product specification and label.

The suffix D forms part of the product name and indicates that the material is supplied as a dilution rather than at full strength.

POD = Precious Oil Dilution, typically intended for aromatherapy applications.

AOD = Absolute Oil Dilution, indicating that the product is supplied as a diluted absolute.

The dilution ratio and carrier/solvent are stated within the product specification and will also be shown on the product label.

IMPORTANT: Customers should always rely on the product specification when confirming the concentration and carrier/solvent supplied.

While we endeavour to ensure that product names and suffixes accurately reflect the material supplied, the product specification (including the stated dilution ratio and carrier/solvent) shall take precedence in the event of any omission, abbreviation, naming variation, or delayed update to a product title.

Please ensure you have selected the correct material, concentration, dilution ratio and carrier/solvent before completing your purchase.

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Handling precautions

For professional perfumery use only. Not for direct application to skin or ingestion. Keep out of reach of children.

Handle using the precautions specified for the material. Wear suitable protective gloves and eye protection where required.

Keep away from sources of ignition where applicable and avoid release to the environment.

Keep containers securely closed and store under the conditions specified on the product label and SDS. Keep liquid containers upright.

If swallowed or otherwise exposed, follow the SDS first-aid instructions and seek medical advice as appropriate. Do not induce vomiting unless directed by a medical professional.

Product-specific warnings, handling precautions and storage requirements take precedence over this general information.

Read the applicable SDS

A Safety Data Sheet (SDS) is available to logged in users who have purchased this item, where applicable.

Documents are not supplied before purchase.

Read the applicable SDS before handling or using the material. Follow its instructions for hazards, protective equipment, first aid, handling, storage and disposal.

An SDS provides information about the material supplied; it does not replace an assessment of the safety or compliance of a finished formulation.

Please note that supplementary documentation—including, but not limited to, IFRA Certificates, Certificates of Analysis (CoA), Allergen Declarations, and other regulatory or compositional data—may not be available for all products. Refer to the "Supplementary Documentation" tab to check current availability. If the tab is not present, no supplementary documents are available for the material.

Customers intending to use materials in cosmetic applications, including for the preparation of a Cosmetic Product Safety Report (CPSR) under UK and EU Cosmetics Regulations, must contact us prior to purchase to confirm the availability and suitability of any required documentation where it is not explicitly stated. Orders must not be placed in reliance on the assumption that such documentation will be provided where it is not explicitly stated on the relevant product page at the time of purchase.

By proceeding with a purchase without prior written confirmation, you acknowledge and accept that documentation beyond the legally required SDS may not be supplied, and you agree that Perfume Extract shall not be held liable for the absence of such documentation or for any inability to complete regulatory requirements, including CPSR or product compliance obligations.

Products are supplied in accordance with our Documentation Supply Policy

The following additional documentation is available as a download to logged in users who have purchased this item:

IFRA
ALLERGEN

Document scope and limitations

The supplementary documents currently available for this material are identified in this tab. Availability varies between materials.

Batch-specific certificates, analytical results and additional technical data are not guaranteed. They are supplied only where their availability is expressly confirmed in this tab or separately confirmed by us in writing.

Where provided, supplier IFRA documentation does not replace a comprehensive safety assessment or constitute approval of a finished formulation. Customers must consider their complete formulation and intended application.

Any linked IFRA standard is provided for reference and is not a batch-specific specification or analytical certificate for the material supplied.

Do not assume that documentation confirms a particular batch, residual constituent level, manufacturing process or analytical result unless it expressly states this.

The same limitations apply to allergen declarations, Certificates of Analysis (CoAs), technical data sheets, specifications, and other regulatory, analytical or compositional documents. These documents provide information only within their stated scope; they do not replace a comprehensive safety assessment or constitute approval of a finished formulation, nor do they guarantee suitability for a particular application. Customers must assess their complete formulation and intended use.

Customer responsibility

These limitations apply to reliance on all documentation supplied, including IFRA information, allergen declarations, Certificates of Analysis (CoAs), technical data sheets, specifications and other supporting documents.

Perfume Extract is solely a reseller of this product and is not an agent, official distributor, or affiliated in any way with the manufacturer.

Customers are responsible for determining whether the material and available documentation meet their requirements before purchase, and for assessing the safety and compliance of their finished products.

We do not provide formulation instructions, formulation consultancy or confirmation of suitability at a particular concentration or for a particular application.

Producer identity, detailed sourcing and processing information are not disclosed beyond the information published in the product listing.

Please read our Documentation Supply Policy alongside the product specification and available documentation.

Synonyms, alternative names, CAS/EC references, botanical names, manufacturer references and external links may describe a substance or material family generally. They should not, on their own, be taken as confirmation of the supplied material’s producer, geographical origin, manufacturing process, grade, purity, constituent levels or batch characteristics.

In particular, a synonym or reference must not be used to infer that a material is free from a particular constituent, meets a numerical specification, or is suitable for a particular application or concentration.

IFRA information, allergen declarations, Certificates of Analysis (CoAs), technical data sheets and other supporting documents apply only within their expressly stated scope. A general specification or reference document is not a batch-specific analytical result unless it expressly identifies the relevant batch.

If information appears inconsistent, or a particular characteristic is essential to your purchase, contact us for written clarification before ordering. Do not resolve discrepancies by assuming that a synonym, external reference or document for another grade applies to the material supplied.

We do not confirm characteristics beyond those expressly supported by the applicable product specification or our written confirmation. Customers remain responsible for assessing their complete formulation and intended application.

Nothing in this information excludes or restricts liability or statutory rights that cannot lawfully be excluded or restricted.

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Ionone Alpha