cis-3-Nonenyl acetate (CAS 13049-88-2) — Mid Note Fragrance Ingredient
cis-3-Nonenyl acetate
CAS 13049-88-2
What Is cis-3-Nonenyl acetate?
cis-3-Nonenyl acetate (CAS 13049-88-2) is an aroma chemical used as a fragrance and flavour ingredient. Its odour is described as apple, banana and fruity, placing it within the fruity family as a mid note with medium volatility. With a molecular weight of 184.3 (formula C11H20O2), it is handled by perfumers as a building block for compositions where a apple character is desired. The data below is compiled from public chemical and regulatory sources.
Safety Profile
GENERALLY SAFE
What Does cis-3-Nonenyl acetate Smell Like?
The odour profile of cis-3-Nonenyl acetate is reported as apple, banana, fruity, green, pear. The dominant facet is its apple character, with the remaining notes adding nuance and complexity. As a mid note it contributes to the heart of a fragrance. Perceived intensity and exact character depend on concentration, the carrier and the surrounding accord.
Scent Profile
Profile derived from public odour-descriptor data; relative, not absolute.
Chemistry & Properties
The Chemistry
cis-3-Nonenyl acetate has the molecular formula C11H20O2 and a molecular weight of 184.3 g/mol. Its canonical SMILES representation is CCCCC/C=C\CCOC(=O)C. Its reported log P (XLogP) of 3.50 indicates a lipophilic, oil-soluble molecule, which informs how it partitions in a formula. Physical constants below are drawn from PubChem and EPA CompTox public datasets.
Physical & Chemical Properties
| Molecular Weight | 184.3 g/mol |
|---|---|
| Boiling Point | 228.9 °C |
| Melting Point | -38.46 °C |
| Flash Point | 88.34 °C |
| Density | 0.9465 g/cm³ |
| Vapor Pressure | 0.05747 mmHg |
| Water Solubility | 0.0004685 g/L |
| XLogP | 3.50 |
Perfumer Guide
Alternatives & Comparisons
Ingredients occupying a similar odour space — useful as substitutes or companions when cis-3-Nonenyl acetate is unavailable or restricted.
Shares green, fruity, banana character — a candidate substitute or companion in the same odour space.
Shares apple, banana, fruity character — a candidate substitute or companion in the same odour space.
Shares apple, banana, ethereal character — a candidate substitute or companion in the same odour space.
Safety & Regulatory
⚠ Regulatory Disclaimer
General reference only. IFRA, REACH and EU Cosmetics Regulation standards update periodically. Consult the current IFRA Standards Library before formulating. Not legal or regulatory advice.
IFRA Status
Subject to an IFRA restriction (51st Amendment) — maximum use levels apply by product category. Consult the current IFRA Standards Library before formulating.
Odour detection threshold (air): 0.0014 ppb — a literature-curated value indicating its potency in the vapour phase.
Open cis-3-Nonenyl acetate in Fragrance Studio (Pro) for the calibrated vapour-pressure curve, the modelled odour-threshold estimate, and the substitute-matching engine across 2,900+ aromachemicals.
References & Sources
- PubChem Compound Summary (NIH) — search by InChIKey
- EPA CompTox Chemicals Dashboard — physicochemical & fate data
- IFRA Standards Library (49th / 51st Amendment)
Data: PubChem (NIH), EPA CompTox, IFRA. Last reviewed: Jun 2026.
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