Ionone Alpha
Floral · CAS 127-41-3 · 2 suppliers
What it smells like
Ionone Alpha presents a sweet, warm floral aroma with distinctive violet and orris characteristics, complemented by subtle woody, powdery, and balsamic facets, creating a refined and elegant impression reminiscent of natural violet flowers.
At a glance
| Scent family | Floral |
| CAS number | 127-41-3 |
| FEMA number | 2594 |
| Uses | Essential in fine fragrances for creating authentic violet and orris accords, enhancing rose compositions, and adding sophisticated floral sweetness and powdery depth across diverse fragrance families. |
| Typical usage | 1.4% in a perfume compound |
| Longevity | Lasts > 124 hours on a smelling strip. |
| Appearance | Colourless liquid |
| INCI name | ALPHA-IONONE |
| IUPAC name | (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one |
IFRA usage limits (51st Amendment)
Maximum concentration in the finished consumer product, by IFRA category, drawn from official IFRA Standards and manufacturer certificates. Reference data — always confirm against the current official IFRA Standard for your application.
| Category | Application | Limit |
|---|---|---|
| Category 1 | Lip products, toys | Prohibited |
| Category 2 | Deodorants & antiperspirants | 20.2% |
| Category 3 | Eye products, men's facial creams (fingertip) | 20.2% |
| Category 4 | Fine fragrance, hydroalcoholic on skin | 20.2% |
| Category 5A | Body lotion | 20.2% |
| Category 5B | Face moisturiser | 20.2% |
| Category 5C | Hand cream | 20.2% |
| Category 5D | Baby cream, oil & talc | 20.2% |
| Category 6 | Oral & lip care (toothpaste, mouthwash) | Prohibited |
| Category 7A | Rinse-off hair products | 20.2% |
| Category 7B | Leave-on hair products | 20.2% |
| Category 8 | Significant anogenital exposure | 20.2% |
| Category 9 | Rinse-off body & hand (soap, shower gel) | 20.2% |
| Category 10A | Household care, non-spray | 20.2% |
| Category 10B | Household aerosol / spray | 20.2% |
| Category 11A | Skin contact, minimal transfer (e.g. wipes) | 20.2% |
| Category 11B | Skin contact, minimal transfer (e.g. fabrics) | 20.2% |
| Category 12 | Not intended for skin contact (candles, detergents) | 20.2% |
Where to buy
Available from 2 suppliers, from $4.95.
| Supplier | Manufacturer | Price | |
|---|---|---|---|
| Fraterworks | Givaudan | from $4.95 | View → |
| The Perfumer's Apprentice | — | from $8.25 | View → |
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