About this material
Velvet Orris, Violet Woods & Powdered Elegance
Methyl Ionone Gamma Pure TOCO by IFF is a refined, high-impact perfumery material with the unmistakable signature of violet, orris and soft woods.
Elegant, powdery and beautifully diffusive, it brings a smooth floral-woody radiance to compositions while adding depth, texture and long-lasting sophistication.
Its character opens with a graceful violet-floral impression, quickly revealing the luxurious softness of orris: powdery, cosmetic, slightly rooty and delicately sweet.
Beneath this floral veil sits a warm woody body, touched with subtle tobacco-like nuance, giving the material a polished, grown-up richness rather than a simple floral sweetness.
Compared with more generic methyl ionone grades, this IFF material feels especially composed and professional: smooth, balanced and highly usable across fine fragrance, floral bases, woody accords, cosmetic powder notes, leather facets and modern amber structures.
Olfactive Profile
Violet & Orris – soft floral elegance with a powdery iris-like heart
Woody & Smooth – polished, warm and quietly persistent
Powdery & Cosmetic – refined, velvety and skin-like
Tobacco Nuance – subtle depth and grown-up warmth
Diffusive & Long-Lasting – excellent performance through the body and drydown
Methyl Ionone Gamma Pure TOCO is particularly valuable where a composition needs elegance without heaviness.
It can soften sharp florals, round woody materials, support violet and iris accords, lend polish to leather notes, and add a luxurious powdery trail to both classic and contemporary blends.
Use it to create the impression of silk, suede, violet petals and polished wood: a quiet luxury material with the power to make a formula feel smoother, more expensive and more complete.
In summary: A premium IFF methyl ionone grade with a luxurious violet, orris and soft woody profile. Powdery, diffusive and long-lasting, Methyl Ionone Gamma Pure TOCO brings smooth floral elegance, tobacco-like depth and polished woody warmth to fine fragrance, violet, iris, leather, amber and cosmetic powder accords.
Scent character
Highlights from the material’s listed odour profile.
Note position
Top note · Heart note · Base note
Material character
A closer lookOdour strength
(recommend smelling in a 10.00 % solution or less)
Listed qualitative strength
Tenacity / substantivity
124 hour(s)
at 100%
Listed reference conditions
Fragrance development
Top note · Heart note · Base note
Illustrative note development · no measured evaporation data
Molecular identity
C14H22O
- Molecular weight
- 206.32 g/mol
- IUPAC name
- (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)pent-1-en-3-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)
- 3.4
- Exact mass (Da)
- 206.167065321
- Monoisotopic mass (Da)
- 206.167065321
- Topological polar surface area (Ų)
- 17.1
- Complexity
- 294
- Formal charge
- 0
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 3
- Heavy atoms
- 15
- Isotope atoms
- 0
- Atom stereocentres
- 1
- Bond stereocentres
- 1
- Covalent units
- 1
- SMILES
- CCC(=O)/C=C/C1C(=CCCC1(C)C)C
- InChI
- InChI=1S/C14H22O/c1-5-12(15)8-9-13-11(2)7-6-10-14(13,3)4/h7-9,13H,5-6,10H2,1-4H3/b9-8+
- InChIKey
- VPKMGDRERYMTJX-CMDGGOBGSA-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
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.
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
| CAS number | 1335-46-2 |
|---|---|
| Odour description (decreasing) | Woody, Tobacco, Floral, Orris, Violet, Powdery |
| Odour strength | Medium (recommend smelling in a 10.00 % solution or less) |
| Perfumery use | Effective from the smallest traces, through to 30%Listed perfumery guidance; this is not an IFRA limit. |
| Substantivity | 124 hour(s) at 100% |
| Solvent | None |
| Physical state | Liquid |
| Synonyms | Meth Ionone Gamma A Tocopherol, Methyl Ionone Gamma, Methyl Ionone Gamma Pure, Methyl Ionone Gamma A, Alpha-Isomethyl Ionone, Iso Alpha Methyl Ionone, Gamma Methyl Ionone |
| Recorded name / preparation | 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one |
| Molecular formula | C₁₄H₂₂O |
| Supplier IFRA information | Catalogue copy mentions IFRA information, but no reviewed supplier-document record is available in this profile. No certificate, use limit or compliance status is confirmed. |
Safety & handling
Contains:
- 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)pent-1-en-3-one, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol. May produce an allergic reaction.
Hazard statements:
- H315 Causes skin irritation.
- H319 Causes serious eye irritation.
- H411 Toxic to aquatic life with long lasting effects.
Precautionary statements:
- P264 Wash thoroughly after handling.
- P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
- P273 Avoid release to the environment.
- P305+351+338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
- P302+352 IF ON SKIN: Wash with soap and water.
- P332+313 If skin irritation occurs: Get medical advice/attention.
- P362 Take off contaminated clothing and wash before reuse.
- P501 Dispose of contents/ container in accordance with national regulations.
Professional/Industrial use only.
Datasheets & customer documents
Available documents are attached to eligible completed orders in your account.
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Supplementary documents are supplied only where explicitly listed and available. Check documentation information
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Documentation Supply PolicyIFRA 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.
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.
Source: 51st Amendment overview, held source checked 2026-10-21. Bundle 2026-10-27. Individual Standards prevail over the overview.
Methyl ionone, mixed isomers
RESTRICTION_SPECIFICATION · CAS 127-42-4, 127-43-5, 127-51-5, 1335-46-2, 1335-94-0, 7779-30-8, 79-89-0
Category 4 — fine fragrance: 30% in the finished consumer product
All applicable specification, purity and other Standard conditions must also be met.
All IFRA categories and Standard conditions
| Category 1 | 5.4% in the finished consumer product |
|---|---|
| Category 2 | 1.6% in the finished consumer product |
| Category 3 | 32% in the finished consumer product |
| Category 4 | 30% in the finished consumer product |
| Category 5A | 7.6% in the finished consumer product |
| Category 5B | 7.6% in the finished consumer product |
| Category 5C | 7.6% in the finished consumer product |
| Category 5D | 7.6% in the finished consumer product |
| Category 6 | 18% in the finished consumer product |
| Category 7A | 61% in the finished consumer product |
| Category 7B | 61% in the finished consumer product |
| Category 8 | 3.2% in the finished consumer product |
| Category 9 | 59% in the finished consumer product |
| Category 10A | 100% in the finished consumer product |
| Category 10B | 100% in the finished consumer product |
| Category 11A | 100% in the finished consumer product |
| Category 11B | 100% in the finished consumer product |
| Category 12 | No numeric restriction in this overview cell; review the full Standard and other applicable requirements. |
CAS numbers (comment): The scope of this Standard includes, but is not limited to the CAS number(s) indicated above; any other CAS number(s) used to identify these fragrance ingredients should be considered in scope as well.
Contributions from other sources: None to consider
Flavor use consideration: Due to the possible ingestion of small amounts of fragrance ingredients from their use in products in Categories 1 and 6, materials must not only comply with IFRA Standards but must also be recognized as safe as a flavoring ingredient as defined by the IOFI Code of Practice (www.iofi.org). For more details see chapter 1 of the Guidance for the use of IFRA Standards.
IFRA Standard type: RESTRICTION_SPECIFICATION
Intrinsic property driving the risk management measure: DERMAL SENSITIZATION
Restricted ingredients: notes: The above limits apply to Methyl ionone isomers used individually or in combination.
Specified ingredients: notes: Pseudo methyl ionones (CAS numbers 26651-96-7, 72968-25-3, 1117-41-5) should not be used as fragrance ingredient as such. A level of up to 2% of Pseudo methyl ionones as an impurity in Methyl ionones is accepted.
Amendment revised: 49
Existing creations deadline: February 10, 2022
New creations deadline: February 10, 2021
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.Woods in daylight
With bergamot and a crisp citrus openingExplore a spare wood structure with citrus providing the opening contrast. Compare a brighter version with the wood reference and follow how the outline changes, keeping the later impression as important as the first moment.
A softer grain
With sandalwood and a musk directionSet the woody material beside a softer wood reference, then compare a restrained musk variation. Decide whether your concept needs creamy texture, dry definition or more space between its parts before expanding the accord.
Petals on timber
With rose and a clear floral accordTry a flower-and-wood study in which both subjects remain recognisable. Compare the floral reference with the woody variation through the evaluation, noting whether the wood forms a useful backdrop or becomes the centre of the idea.








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