About this material
Isoraldeine 70 gives floral compositions the quiet richness of violet and orris, with a dry woody character that lends shape to their softer edges.
Its appeal lies in this balance: the floral impression is full and rounded, while the underlying dryness keeps it poised and gives the composition a more textured feel.
More dry and orris-like in character than Isoraldeine 95, it is particularly useful when an iris or violet theme needs depth as well as delicacy.
A gentle fruity nuance sits within the floral body, bringing softness to the meeting of petals, powder and wood.
Use it as a defining part of an orris accord or as a quieter presence within a broader fragrance.
Its volume and diffusion can help a floral heart feel more complete, with a lasting woody-floral impression that connects naturally to the base.
Odour profile
The central character is violet-like and floral, shaped by the dry, softly powdered quality associated with orris.
Woody facets sit close to the floral note, giving it a smooth, restrained warmth. The fruity aspect is a subtle rounding influence within this structure.
This interplay makes Isoraldeine 70 useful across different styles of fragrance.
In a pale floral composition, its softness can come forward; surrounded by cedar, spice or deeper woods, its drier character becomes a more prominent part of the impression.
Using Isoraldeine 70 in perfumery
Explore it in iris and violet accords, woody florals and compositions where a powdery heart needs a firm foundation.
It can also give rose or jasmine themes a more rounded body, bringing a gentle woody continuity beneath their individual floral character.
In spicy and amber compositions, use it to introduce a softer floral layer between the brighter notes and the richer base.
Assess how much violet-orris character you want to reveal: a supporting addition can blend into the structure, while a more prominent presence makes the dry floral theme easier to recognise.
Creative pairings
Pair with cedarwood and sandalwood notes to explore the transition from dry orris to smooth wood.
Soft musks can extend the impression of powder and softness, while a restrained mossy or leathery accord offers a darker setting for the floral note.
For a richer direction, explore rose, warm spice and a little balsamic sweetness.
Fruit notes can pick up the material’s quieter fruity facet; keep their balance in view so that the violet and dry woody character still have room to develop.
Scent character
Highlights from the material’s listed odour profile.
Note position
Heart note · Base note
Material character
A closer lookOdour strength
(recommend smelling in a 10.00 % solution or less)
Listed qualitative strength
Tenacity / substantivity
184 hour(s)
at 100%
Listed reference conditions
Fragrance development
Heart note · Base note
Illustrative note development · no measured evaporation data
Molecular identity

C14H22O
CAS-linked compound reference — Methylionone
This compound record is linked to the explicitly recorded CAS number. It is not supplier confirmation of the supplied grade, purity, stereochemistry, isomer proportions or complete composition.
- Reference molecular weight
- 206.32 g/mol
- Reference 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.
CAS 1335-46-2 · reference checked 2026-10-27.
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) | Floral, Orris, Woody, Fruity |
| Odour strength | Medium (recommend smelling in a 10.00 % solution or less) |
| Perfumery use | Effective from the smallest traces, through to 2%Listed perfumery guidance; this is not an IFRA limit. |
| Substantivity | 184 hour(s) at 100% |
| Solvent | None |
| Physical state | Liquid |
| Synonyms | 1-(2, 6, 6-trimethyl-1-cyclohex-2-enyl)pent-1-en-3-one, N-methyl ionone, Isoraldeine95, Methyl Ionone Gamma, iso-Methyl-alpha-ionone; Gamma-Methyl Ionone |
Safety & handling
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+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
- P302+P352 IF ON SKIN: Wash with soap and water.
- P332+P313 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 local 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.Petals and peel
With bergamot and a light citrus ideaExplore 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 notesSketch 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 directionPlace 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.








Simon Ilinkin (verified owner) –
RJR (verified owner) –
This has a smooth, woody, floral glow that feels both classic and modern
Paul (verified owner) –
I wanted something wit an orris feel and this worked well