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OCTADIENAL

CAS
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EC
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Material type
synthetic aroma chemical
Canonical source
arctander
Formulation

Usage guidance

Suggested min
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Suggested max
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Cost
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Stock
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Compatibility tags
citrus-colognegreenfougereaquaticfruity
How it behaves

Olfactory profile

Family
green
Note tendency
Top
Descriptors
greenfattygrassy

A powerful green-fatty aldehyde with a sharp citrus-peel edge and a slightly cucumber-like, oily freshness. On dry-down it softens into a waxy, slightly herbal-green note reminiscent of crushed leaves and orange rind.AI · claude-opus-4-7

Intensity
8 / 10
Tenacity
3 / 10
Volatility
8 / 10
Members

The rest of this material

Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.

chemicals · No. 2393

Arctander monograph

Perfume and Flavor Chemicals, page 1040.

tenacity · moderatepower · moderate
green-vegetablegrassyfatty
MW
126.18
BP
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MP
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Sp.Gr.
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Refractive n
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Rotation
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Appearance

Colorless or very pale yellowish oily liquid.

Solubility

Practically insoluble in water, soluble in alcohol and oils.

Odor

Powerful and penetrating green-vegetable, grassy and somewhat fatty odor of moderate to poor tenacity.

Uses in perfumery

This aldehyde has been suggested for use in 'green' bases, e.g. Galbanum compositions.

Production

Produced by self-condensation of propionaldehyde and subsequent condensation of the resulting 2-Methyl-2-pentenal with acetaldehyde to yield the title diolefinic aldehyde.

Identity
Aliases · 2
4-Methyl-2,4-heptadienalPentenylic acrolein
Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).