Intensely earthy and green. The impression is atmospheric rather than material -- you smell a forest after rain, not a specific ingredient. Mossy, damp, slightly mineral. More green and diffusive than geosmin (which is purely earthy-beetroot). Less heavy than patchouli earth, more alive and breathing.
Evolution over time
Immediately
Immediately
Immediate petrichor, wet earth, green diffusion
After a few hours
After a few hours
Settled earthy-mossy warmth, forest floor
After a few days
After a few days
Persistent earthy grounding, soft and naturalistic
The Full Story
It delivers a powerful, naturalistic earthy-green odor that captures the petrichor quality -- the smell of rain on dry earth -- with remarkable precision.
The molecule is 54% bio-based and is designed for use at trace levels, where it adds naturalness and diffusion to floral, green, and woody compositions. It is exceptionally potent: even small additions create a convincing impression of wet soil, damp forest floor, and morning dew.
Humus Ether occupies a rarefied niche in perfumery. While earthy notes are common in patchouli and vetiver, Humus Ether provides a distinctly different earthiness -- lighter, greener, more atmospheric. It smells like a place rather than a substance.
The 'petrich or' smell -- the particular scent of rain on dry earth -- is caused by a combinati on of geosm in (produced by soil bacteri a), ozone, and plant oils released from dried vegetati on. Humus Ether captures this atmospheric blend in a single molecule.
Extraction & Chemistry
Extraction method: Fully synthetic. Supplied at 50% in dipropylene glycol. 54% bio-based.
Molecular Formula
Complex mixture of aromatic ethers and phenols
CAS Number
28462-85-3
Botanical Name
N/A - synthetic molecule
IFRA Status
No known restrictions
Physical Properties
Odor Strength
Medium
Appearance
Colorless to pale yellow clear liquid
In Perfumery
Humus Ether functions as a trace modifier and naturalizer. Used at very low concentrations (0.01-0.5%) to add earthy, petrichor-like naturalness to floral, green, woody, and mossy compositions. Particularly effective in forest accords and rain-themed fragrances. Its stability makes it suitable for even aggressive media like acidic cleaners and antiperspirants.