Citral
Aldehydic · CAS 5392-40-5 · 2 suppliers
What it smells like
Citral has a powerful, fresh, sharp lemon-peel scent with sweet citrusy notes and subtle aldehydic, green, and woody undertones.
At a glance
| Scent family | Aldehydic |
| CAS number | 5392-40-5 |
| FEMA number | 2303 |
| Uses | Creates authentic lemon and citrus notes in fragrances; enhances freshness in floral and fruity compositions; provides clean character in functional products. |
| Typical usage | 0.5% in a perfume compound |
| Longevity | Lasts > 12 hours on a smelling strip. |
| Appearance | Pale yellow liquid |
| INCI name | CITRAL |
| IUPAC name | 3,7-dimethylocta-2,6-dienal |
IFRA usage limits (49th 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 | 0.11% |
| Category 2 | Deodorants & antiperspirants | 0.032% |
| Category 3 | Eye products, men's facial creams (fingertip) | 0.1% |
| Category 4 | Fine fragrance, hydroalcoholic on skin | 0.6% |
| Category 5A | Body lotion | 0.15% |
| Category 5B | Face moisturiser | 0.15% |
| Category 5C | Hand cream | 0.15% |
| Category 5D | Baby cream, oil & talc | 0.051% |
| Category 6 | Oral & lip care (toothpaste, mouthwash) | 0.35% |
| Category 7A | Rinse-off hair products | 0.2% |
| Category 7B | Leave-on hair products | 0.2% |
| Category 8 | Significant anogenital exposure | 0.051% |
| Category 9 | Rinse-off body & hand (soap, shower gel) | 1.2% |
| Category 10A | Household care, non-spray | 1.2% |
| Category 10B | Household aerosol / spray | 4.2% |
| Category 11A | Skin contact, minimal transfer (e.g. wipes) | 0.051% |
| Category 11B | Skin contact, minimal transfer (e.g. fabrics) | 0.051% |
| Category 12 | Not intended for skin contact (candles, detergents) | Unrestricted |
Where to buy
Available from 2 suppliers, from $2.95.
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