Linseed absolute (CAS 8001-26-1) — Woody Base Note Fragrance Ingredient
Linseed absolute
CAS 8001-26-1
What Is Linseed absolute?
Linseed absolute is a precious extract from flax seeds, used in niche perfumery for its warm, hay-like richness. It adds depth to oriental and chypre fragrances, often encountered in luxury candles and artisanal perfumes. This ingredient matters because it bridges natural earthiness with sophisticated amber accords, offering perfumers a sustainable alternative to animal-derived musks.
Safety Profile
USE WITH AWARENESSWhat Does Linseed absolute Smell Like?
A golden embrace of sun-baked haystacks and antique linens, with whispers of beeswax and dried apricots. Opens with a nutty intensity reminiscent of walnut husks, settling into a comforting ambered sweetness that lingers like the memory of harvest season. The dry-down reveals subtle leathery undertones, making it perfect for autumnal compositions.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used here to create the illusion of sun-scorched textiles, adding tactile warmth to the spicy-amber accord.
Provides a roasted coffee facet that complements the lavender and licorice in this avant-garde composition.
Chemistry, Properties & Perfumer Guide
The Chemistry
Linseed absolute contains fatty acid esters and lignans like secoisolariciresinol. The characteristic odor comes from thermal degradation products of linolenic acid during extraction. Solvent extraction yields a complex mixture of triglycerides (40-60%), free fatty acids (5-15%), and odoriferous pyrolytic compounds.
Physical & Chemical Properties
| Appearance | Viscous amber liquid |
|---|---|
| Solubility | Soluble in ethanol (>90%) |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.1-0.5% | Up to 1% | Adds animalic warmth |
| Candles | 0.5-2% | Up to 3% | Excellent throw when heated |
Classic Accords
Tip: Pre-dilute in benzyl benzoate to prevent crystallization in ethanol bases.
Alternatives & Comparisons
For a greener, more vegetal hay note without the ambered facets.
When a cleaner musky replacement is needed in allergen-sensitive formulas.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted under current IFRA standards (Amendment 49).
EU Allergen Declaration
Contains trace linalool (<0.01%) – declaration required above 0.001% in leave-on products.
GHS Classification
RIFM Assessment
RIFM-reviewed with recommended maximum use level of 0.5% in fine fragrance.
Sustainability
Sourced from cold-pressed flaxseed oil byproducts, making it a zero-waste ingredient. Organic certification available from select European producers. Biodegradability estimated at 85% in 28 days (OECD 301F).
Explore Linseed 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
- Karlberg et al. (1997). Autoxidation of linseed oil. Contact Dermatitis. DOI link
- IFRA Transparency List (2023) IFRA official
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data error
![1,2-Propanediol, 3-[(2-ethylhexyl)oxy]- (CAS 70445-33-9) — Citrus None Note Fragrance Ingredient](https://thegoodscents.company/wp-content/uploads/2026/04/1-2-propanediol-3-1-1-768x439.webp)