1,3-Nonanediol acetate (mixed esters) (CAS 1322-17-4) — Green Middle Note Fragrance Ingredient
1,3-Nonanediol acetate (mixed esters)
CAS 1322-17-4
What Is 1,3-Nonanediol acetate (mixed esters)?
1,3-Nonanediol acetate is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes fresh, green, and slightly fruity nuances to formulations. This molecule helps create modern, clean scent profiles in body washes, deodorants, and fabric softeners where a long-lasting freshness is desired.
Safety Profile
GENERALLY SAFEWhat Does 1,3-Nonanediol acetate (mixed esters) Smell Like?
1,3-Nonanediol acetate presents a crisp, dewy green character with subtle melon-like undertones. The opening is fresh and slightly aqueous, reminiscent of cucumber skin or young bamboo shoots. As it develops, a soft muskiness emerges, lending body without heaviness. The dry-down reveals a clean, almost laundry-like quality with exceptional tenacity on fabric. Its odor profile bridges fruity freshness with woody-musky depth, making it versatile for modern green-floral compositions.
Chemistry, Properties & Perfumer Guide
The Chemistry
1,3-Nonanediol acetate belongs to the ester class, synthesized through esterification of 1,3-nonanediol with acetic acid. The mixed esters form a complex of positional isomers that influence its odor profile. While purely synthetic in commercial use, related structures occur naturally in some fruits and vegetables. The acetate group enhances volatility compared to the parent diol, while the nine-carbon chain provides optimal hydrophobicity for fabric substantivity.
Physical & Chemical Properties
| Appearance | Colorless to pale yellow liquid |
|---|---|
| Solubility | Soluble in alcohol, insoluble in water |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fabric Care | 0.5-2% | Up to 3% | Provides lasting freshness |
| Personal Care | 0.1-1% | Up to 1.5% | Clean green modifier |
Classic Accords
Tip: Use with citrus top notes to prevent harshness in green compositions.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted under current IFRA standards.
RIFM Assessment
Not currently evaluated by RIFM but structurally similar compounds show low toxicity.
Sustainability
As a synthetic material, 1,3-Nonanediol acetate production avoids agricultural land use. Modern manufacturing processes typically employ green chemistry principles to minimize waste. The material’s substantivity reduces wash-off in laundry applications, potentially lowering overall fragrance load requirements.
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References
- Bauer et al. (2001). Common Fragrance and Flavor Materials.
- Arctander (1969). Perfume and Flavor Chemicals.
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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