Hydrotropic Aldehyde ( Hyacinthal )
Scent: Green, leafy, hyacinth-like with a soft floral-fruity nuance
In high dilution the scent becomes more floral
Used extensively in hyacinth , rose , daffodil and lilac accords and so-called natural perfumes
Character: Fresh, slightly earthy, and clean — often described as “spring garden” in a bottle
Synonyms: 2-phenylpropanal, hyacinthal, cumene aldehyde, alpha-methyl benzene acetaldehyde
Odor group: green
Odor strength: medium (24 hours on scent strip)
CAS: 93-53-8
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Hydrotropic Aldehyde is a powerful aroma chemical with a green, leafy character that becomes more floral (hyacinth, lilac) in dilution.
It’s widely used in floral accords and adds a fresh, natural lift to compositions.
Use sparingly to avoid overpowering the blend.
Perfumery Applications
- Common in hyacinth, lilac, rose, narcissus, and tulip accords
- Adds a green, dewy freshness to floral and fruity compositions
- Often used as a subtle modifier to soften sharper aldehydes like phenylacetaldehyde
- Typical usage: 0.1% to 1%, with a max of ~10% in some formula
Usage Tips
- It’s very potent, so use sparingly to avoid overpowering your blend
- Not typically used in aromatherapy — it’s a perfumer’s tool, not a therapeutic one
- Can discolor or degrade over time; store in a cool, dark place
Related products
Heptanal – Aldehyde C7 (AC)
Naturelle (PO)
