Hay absolute (CAS 8031-00-3) — Sweet Middle to base Note Fragrance Ingredient
Hay absolute
CAS 8031-00-3
What Is Hay absolute?
Hay absolute is a fragrant material derived from dried grasses, often encountered in perfumes and home fragrances. It evokes the warm, sweet scent of sun-dried meadows and barns. This ingredient matters because it adds a nostalgic, pastoral quality to fragrances, connecting wearers to nature and rural memories.
Safety Profile
GENERALLY SAFEWhat Does Hay absolute Smell Like?
Hay absolute opens with a warm, sweet, and slightly green aroma, reminiscent of sun-dried grasses and summer fields. The heart reveals a honeyed, coumarin-like sweetness with a hint of tobacco and vanilla. The dry-down is soft, powdery, and slightly woody, evoking the comforting scent of a hayloft at dusk.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Hay absolute adds a warm, sweet, and slightly smoky nuance to this oriental fragrance, enhancing its honeyed tobacco and amber accords.
Hay absolute contributes to the leathery, animalic, and slightly sweet hay-like character of this unique fragrance.
Chemistry, Properties & Perfumer Guide
The Chemistry
Hay absolute is a complex mixture of natural compounds derived from dried grasses. It contains coumarins, which contribute to its sweet, hay-like aroma, as well as phenolic compounds and aldehydes. The exact composition varies depending on the source and extraction method.
Physical & Chemical Properties
| Appearance | Dark brown viscous liquid |
|---|---|
| Solubility | Soluble in alcohol and oils |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Adds warmth and sweetness |
| Home Fragrance | 2-5% | Up to 10% | Creates cozy, nostalgic scents |
Classic Accords
Tip: Use hay absolute to add a warm, sweet, and slightly green nuance to fragrances.
Alternatives & Comparisons
Provides a similar sweet, hay-like aroma but lacks the complexity of hay absolute.
Offers a sweeter, more vanilla-like alternative with similar coumarin content.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No IFRA restrictions apply to hay absolute.
EU Allergen Declaration
None known.
RIFM Assessment
RIFM has not conducted a specific safety assessment for hay absolute.
Sustainability
Hay absolute is derived from renewable plant sources, but its production depends on agricultural practices. Sustainable sourcing and extraction methods are important to minimize environmental impact.
Explore Hay absolute
Browse essential oils and aroma compounds.
Browse on iHerb →Affiliate disclosure: we may earn a small commission at no extra cost to you.
References
- Arctander, S. (1960). Perfume and Flavor Materials of Natural Origin.
- Bauer, K. et al. (2001). Common Fragrance and Flavor Materials.
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 8031-00-3Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.
Related Research
- Caryophyllene acetate (CAS 57082-24-3) — Woody Middle Note Fragrance Ingredient
- trans-2-tert-Butylcyclohexyl acetate (CAS 20298-70-8) — Woody Middle to Base Note Fragrance Ingredient
- Trimethyl-bicyclo-heptane-spirocyclohexenone (CAS 133636-82-5) — Woody Middle to base Note Fragrance Ingredient
- 2-trans-Dodecenal (CAS 20407-84-5) — Citrus Top Note Fragrance Ingredient
