Olfactionary Materials
At a glance

3795 materials, sourced from the IFRA Transparency List and hand-curated entries — split into naturals (by extraction method) and synthetics (by chemical family).

Overview 🌿 Naturals (987) ⚗️ Synthetics (2808)
All chemical families Ester (471) Alcohol (299) Ketone (245) Acid (196) Aldehyde (188) Furan/Heterocyclic (150) Phenol (56) Ether/Oxide (53) Lactone (35) Terpene (32) Musk (5)
2808 materials 4-Heptenal 4-Hexen-1-ol, (4Z)- 4-Hexen-1-ol, 5-methyl-2-(1-methylethenyl)- 4-Hydroxy-2,5-dimethyl-3(2H)-furanone 4-Hydroxy-3-pentenoic acid lactone 4-Hydroxy-3,6,10-trimethylundec-9-en-2-one 4-Hydroxyacetophenone 4-Hydroxybenzaldehyde 4-Hydroxybutanoic acid lactone 4-Isopropyl-1-methyl-2-propenylbenzene 4-Isopropyl-1-methylcyclohexene 4-Isopropyl-2-methoxy-1-methylbenzene 4-Isopropylcyclohexanol 4-Isopropylphenol 4-Mercapto-4-methyl-2-pentanone 4-Methoxy-2-methyl-2-butanethiol 4-Methoxy-alpha-methylbenzenepropanal 4-Methoxybenzaldehyde diethyl acetal 4-Methyl-1-oxaspiro[5.5]undecene 4-Methyl-2-(1-phenylethyl)-1,3-dioxolane 4-Methyl-2-pentanol 4-Methyl-2-pentylpyridine 4-Methyl-2-phenyl-2-pentenal 4-Methyl-3-decen-5-ol 4-Methyl-3-penten-2-one 4-Methyl-4-phenyl-2-pentanone 4-Methyl-5-thiazoleethanol 4-Methyl-5-thiazoleethanol acetate 4-Methyl-5-vinylthiazole 4-Methyl-8-methylenetricyclo[3.3.1.(3,7)]decan-2-yl acetate 4-Methylbenzyl acetate 4-Methylnonanoic acid 4-Methyloctanoic acid 4-Methylpentanoic acid 4-Penten-1-one, 1-spiro[4.5]dec-6-en-7-yl- 4-Penten-1-one, 1-spiro[4.5]dec-7-en-7-yl- 4-Pentenal, 4-methyl-5-(4-methylphenyl)-, (4E)- 4-Pentenal, 5-cyclohexyl-2,4-dimethyl-, (4E)- 4-Pentenoic acid, 2-acetyl-4-methyl-, ethyl ester 4-Phenyl-3-buten-2-ol 4-t-Amylcyclohexanone 4-tert-Butylcyclohexanol 4-tert-Butylcyclohexyl acetate 4-tert-Butyltoluene 4-Thujanol 4-Tricyclodecylidene butanal 4,_7-_Decadienal 4,_7-_Decadienal, (4Z,_7Z)_- 4,_7-_Methano-_1H-_indene-_5-_carboxaldehyde, octahydro-_6-_methyl- 4,_7-_Methano-_3aH-_indene-_3a-_carboxylic acid, octahydro-_, ethyl ester 4,4,8-Trimethyltricyclo[6.3.1.02,5]dodecan-1-yl formate 4,4a,5,9b-Tetrahydroindeno[1,2-d]-1,3-dioxine 4,4a,6,7,8,8a-Hexahydro-1,4-methanonaphthalen-5(1H)-one 4,5-Dihydro-3(2H)thiophenone 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one 4,5,6,7-Tetrahydro-3,6-dimethylbenzofuran 4,5,6,7,8,9,10,11,12,13-Decahydrocyclododecaoxazole 4,6-Dimethyl-2H-pyran-2-one 4,6-Dimethylcyclohex-3-ene-1-carbaldehyde 4,7-Dimethyloct-6-en-3-one 4,7-Methano-1H-inden-5-ol, 3a,4,5,6,7,7a-hexahydrodimethyl- 4,7-Methano-1H-inden-5-ol, octahydro-3,4,5-trimethyl- 4,7-Methano-1H-indene-5-acetaldehyde, octahydro- 4,7-Octadienoic acid, methyl ester, (4E)- 4,7,7-Trimethyl-2-(3-methyl-2-butenyl)bicyclo[4.1.0]heptan-3-one 4,7,7-Trimethyl-6-thiabicyclo[3.2.1]octane 4,8-Cyclododecadien-1-one 4,8-Dimethyl-3-7-nonadien-2-ol 4,8-Dimethyl-4,9-decadienal 4,8-Dimethyl-7-nonen-2-ol 4,8,11-Dodecatrienal 4'-Hydroxy-3'-methoxyacetophenone 4'-Methylacetophenone 4'-tert-Butyl-2',6'-dimethylacetophenone 4H-_1,_3-_Benzodioxin, hexahydro-_4-_methyl-_2-_(phenylmethyl)_- 4H-_4a,_9-_Methanoazuleno[5,_6-_d]_-_1,_3-_dioxole, octahydro-_2,_5,_8,_8,_9a-_pentamethyl-_2-_propyl-_, (3aS,_4aR,_5... 4H-4a,9-Methanoazuleno[5,6-d]-1,3-dioxole, octahydro-2,2,5,8,8,9a-hexamethyl-, (4aR,5R,7aS,9R)- 4H-Indeno[4,5-D]-1,3-dioxole, 3a,5,6,7,8,8b-hexahydro-2,2,6,6,7,8,8-heptamethyl- 5- and 6-Decenoic acid 5-(2,2,3-Trimethyl-3-cyclopentenyl)-3-methylpentan-2-ol 5-(cis-3-Hexenyl)dihydro-5-methyl-2(3H)furanone 5-Acetyl-1,1,2,3,3,6-hexamethylindan 5-Acetyl-3-isopropyl-1,1,2,6-tetramethylindane 5-Benzofuranol, 3-methyl- 5-Butyl-4-methyldihydrofuran-2(3H)-one 5-Cyclohexadecen-1-one 5-Cyclotetradecen-1-one, 3-methyl-, (5Z)- 5-Cyclotetradecen-1-one, 3-methyl-,(5E)- 5-Ethyl-2,3,4,5-tetramethylcyclohexen-1-one 5-Ethyl-3-hydroxy-4-methyl-2(5H)-furanone 5-Ethylidenebicyclo[2.2.1]hept-2-yl propionate 5-Hexen-2-one 5-Hydroxy-2,4-decadienoic acid delta-lactone 5-Hydroxy-4-methylhexanoic acid delta-lactone 5-Hydroxy-7-decenoic acid delta-lactone 5-Isopropenyl-2-methyl-2-vinyltetrahydrofuran