Propanoic acid, 2-methyl-, cyclohexyl ester (CAS 1129-47-1) — Woody Middle Note Fragrance Ingredient
Propanoic acid, 2-methyl-, cyclohexyl ester
CAS 1129-47-1
What Is Propanoic acid, 2-methyl-, cyclohexyl ester?
Propanoic acid, 2-methyl-, cyclohexyl ester is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes to fruity, woody, or floral scent profiles. This ester is valued by perfumers for its ability to add complexity and longevity to fragrance compositions.
Safety Profile
GENERALLY SAFEWhat Does Propanoic acid, 2-methyl-, cyclohexyl ester Smell Like?
This ester offers a subtle fruity character with woody undertones, reminiscent of ripe apples and fresh cedar. The top note is bright and slightly sweet, evolving into a heart with creamy nuances. The dry-down reveals a soft, woody base that blends seamlessly with other ingredients.
Chemistry, Properties & Perfumer Guide
The Chemistry
Propanoic acid, 2-methyl-, cyclohexyl ester is a synthetic ester formed by the reaction of 2-methylpropanoic acid with cyclohexanol. It belongs to the class of carboxylic acid esters, known for their fruity and floral odor profiles. The synthesis typically involves acid-catalyzed esterification under controlled conditions.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Adds fruity-woody complexity |
| Personal Care | 0.5-2% | Up to 5% | Used in soaps and lotions |
Classic Accords
Tip: Use in small amounts to enhance fruity and woody accords without overpowering.
Alternatives & Comparisons
Offers a similar fruity-woody profile but with a lighter, more floral character.
Provides a stronger fruity note, often used in apple and banana fragrances.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No IFRA restrictions currently apply.
RIFM Assessment
No specific RIFM assessment found.
Sustainability
As a synthetic ingredient, this ester is produced in controlled laboratory settings, minimizing environmental impact compared to natural extraction methods. Its production can be optimized for low waste and energy efficiency.
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