SHEET /m/geosmin · PubChem CID 29746 · CAS 19700-21-1 · REV 2026.07
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Geosmin from source
C12H22O · 182.3 g/mol
(-)-geosmin · FEMA NO. 4682 · trans-1,10-dimethyl-trans-decalol · 4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, [4S-(4.alpha.,4a.alpha.,8a.beta.)]-
chemical compound responsible for the characteristic odour of earth
CategoryScent & aroma
Chemical familyAlcohols
Fig. 1 · 2D structure RDKit
C[C@H]1CCC[C@@]2([C@@]1(CCCC2)O)C
Where you'll find it
Not yet mapped to everyday foods or products.
Toxicity & hazards
WarningIrritantH302from source
Keep roaming
Where Geosmin leads
Found infrom source