OlfactionaryMaterials
At a glance
3706 materials, sourced from the IFRA Transparency List, with summaries drafted using AI assistance and checked against public sources (how we use AI), split into naturals (by extraction method) and synthetics (by chemical family).
All chemical families
Ester (494)
Alcohol (303)
Ketone (249)
Aldehyde (198)
Acid (152)
Furan/Heterocyclic (150)
Phenol (54)
Ether/Oxide (48)
Lactone (39)
Terpene (37)
Alkane (11)
Sesquiterpene (8)
Nitrile (6)
Acetal (6)
Musk (5)
Sesquiterpene hydrocarbon (5)
2721 materials
⚗️
2-Phenoxyethyl isobutyrate
Ester
⚗️
2-Phenoxyethyl propionate
Ester
⚗️
2-Phenyl-2-butenal
Aldehyde
⚗️
2-Phenylethyl pivalate
⚗️
2-Phenylethyl valerate
Ester
⚗️
2-Phenylhexanenitrile
⚗️
2-Phenylpropionaldehyde
Aldehyde
⚗️
2-Phenylpropionaldehyde dimethyl acetal
Aldehyde
⚗️
2-Propanol, 1,1',1',1'-(1,2-ethanediyldinitrilo)tetrakis-
Polyol/amine
⚗️
2-Propen-1-aminium, N,N-dimethyl-N-2-propenyl-, chloride, polymer with 2-propenamide
⚗️
2-Propen-1-ol, 2-methyl-3-(4-methylphenyl)-, (2E)-
⚗️
2-Propenoic acid, 2-[1-(3,3-dimethylcyclohexyl)ethoxy]-2-methylpropyl ester
Acid
⚗️
2-Propenoic acid, 2-cyano-3,3-diphenyl-, 2-ethylhexyl ester
Acid
⚗️
2-Propenoic acid, 3-(2-hydroxyphenyl)-, 9-decen-1-yl ester, (2E)-
Acid
⚗️
2-Propenoic acid, 3-(4-methoxyphenyl)-, 2-ethylhexyl ester
Acid
⚗️
2-Propyl heptanenitrile
alkyl nitrile
⚗️
2-Pyridinecarboxylic acid, ethyl ester
Furan/Heterocyclic
⚗️
2-Pyrrolidinone, 1-ethenyl-, homopolymer
⚗️
2-sec-Butylcyclohexanone
Ketone
⚗️
2-tert-Butyl-4-methoxyphenol
Phenol
⚗️
2-tert-Butyl-p-cresol
Phenol
⚗️
2-tert-Butylcyclohexanol
Alcohol
⚗️
2-tert-Butylcyclohexanone
Ketone
⚗️
2-tert-Butylcyclohexyl acetate
Ester
⚗️
2-tert-Butylhydroquinone
Ketone
⚗️
2-Thiophenecarboxylic acid, ethyl ester
Acid
⚗️
2-trans-6-cis-Dodecadienal
Aldehyde
⚗️
2-trans-6-trans-Octadienal
Aldehyde
⚗️
2-trans-Dodecenal
Aldehyde
⚗️
2-Tridecanone
Ketone
⚗️
2-Tridecenal
Aldehyde
⚗️
2-Undecanol
Alcohol
⚗️
2-Undecanone
Ketone
⚗️
2-Undecenal
Aldehyde
⚗️
2-Undecenenitrile
α,β‑unsaturated nitrile
⚗️
2,10-Epoxypinane
⚗️
2,12-Tridecadienenitrile, (2E)
⚗️
2,2-Dimethyl-3-(3-methyl-2,4-pentadienyl)oxirane
⚗️
2,2-Dimethyl-3-methyl-3-butenyl propanoate
⚗️
2,2-Dimethyl-3-phenylpropanol
Alcohol
⚗️
2,2-Dimethyl-5-(1-methylpropen-1-yl)tetrahydrofuran
Furan/Heterocyclic
⚗️
2,2,3-Trimethyl-3-Cyclopentene-1-acetaldehyde
Aldehyde
⚗️
2,2,3-Trimethylcyclopent-3-enylacetonitrile
⚗️
2,2,4-Trimethyl-4-phenyl-butane-nitrile
⚗️
2,2,4,6,6-Pentamethylheptane
⚗️
2,2,5-Trimethyl-5-pentylcyclopentanone
Ketone
⚗️
2,2,6-Trimethyl-6-vinyltetrahydropyran
Furan/Heterocyclic
⚗️
2,2,6-Trimethylcyclohexanone
Ketone
⚗️
2,2'-(Dithiodimethylene)-difuran
Furan/Heterocyclic
⚗️
2,2',4,4'-Tetrahydroxybenzophenone
Ketone
⚗️
2,3-Diethyl-5-methylpyrazine
Furan/Heterocyclic
⚗️
2,3-Diethylpyrazine
Furan/Heterocyclic
⚗️
2,3-Dihydro-1,1-dimethyl-1H-indene-ar-propanal
Aldehyde
⚗️
2,3-Dimethylbenzofuran
Furan/Heterocyclic
⚗️
2,3-Dimethylphenol
Phenol
⚗️
2,3-Dimethylpyrazine
Furan/Heterocyclic
⚗️
2,3-Heptanedione
Ketone
⚗️
2,3-Hexanedione
Ketone
⚗️
2,3,3-Trimethylindanone
Ketone
⚗️
2,3,4-Trimethyl-3-pentanol
Alcohol
⚗️
2,3,4,4a,5,6-hexahydro-2,2-dimethyl-1,3-methanonaphthalen-7(1H)-one
Ketone
⚗️
2,3,4,4a,5,6,7,8-Octahydro-2,5,5-trimethyl-2-naphtol
Alcohol
⚗️
2,3,5-Trimethylpyrazine
Furan/Heterocyclic
⚗️
2,3,5,6-Tetramethylpyrazine
Furan/Heterocyclic
⚗️
2,4-Dimethyl-2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-1,3-dioxolane
⚗️
2,4-Dimethyl-3-cyclohexen-1-carboxaldehyde
Aldehyde
⚗️
2,4-Dimethyl-4-phenyltetrahydrofuran
Furan/Heterocyclic
⚗️
2,4-Dimethyl-4,4a,5,9b-tetrahydroindeno[1,2-d]-1,3-dioxin
⚗️
2,4-Dimethylbenzyl acetate
Ester
⚗️
2,4-Dimethylcyclohex-3-ene-1-methanol
Alcohol
⚗️
2,4-Dimethylcyclohex-3-ene-1-methyl acetate
Ester
⚗️
2,4-Dimethylcyclohexylmethyl acetate
Ester
⚗️
2,4-Dimethylpyridine
Furan/Heterocyclic
⚗️
2,4-Hexadienyl isobutyrate
Ester
⚗️
2,4-Xylenol
Alcohol
⚗️
2,4,4,7-Tetramethyl-6-octen-3-one
Ketone
⚗️
2,4,4,7-Tetramethylnona-6,8-dien-3-one
Ketone
⚗️
2,4,4,7-Tetramethylnona-6,8-diene-3-one-oxime
⚗️
2,4,5-Trimethylthiazole
Furan/Heterocyclic
⚗️
2,4,6-Cycloheptatrien-1-one, 2-hydroxy-4-(1-methylethyl)-
⚗️
2,4,6-Trimethyl-3-cyclohexene-1-methanol
Alcohol
⚗️
2,4,6-Trimethyl-4-phenyl-1,3-dioxane
⚗️
2,4,6-Trimethylcyclohex-3-enecarbaldehyde
Aldehyde
⚗️
2,4,6-Trimethylphenol
Phenol
⚗️
2,4,7-Trimethyloct-6-en-1-ol
Alcohol
⚗️
2,5 or 6-Methoxy-3-methylpyrazine (mixture of isomers)
Furan/Heterocyclic
⚗️
2,5-Diethyltetrahydrofuran
Furan/Heterocyclic
⚗️
2,5-Dimethyl-4-methoxy-3(2H)-furanone
Furan/Heterocyclic
⚗️
2,5-Dimethylpyrazine
Furan/Heterocyclic
⚗️
2,5-Octadien-4-one, 5,6,7-trimethyl-, (2E,5E)-
⚗️
2,5-Octadien-4-one, 5,6,7-trimethyl-, (2E,5Z)-
⚗️
2,5-Xylenol
Alcohol
⚗️
2,5,5-Trimethyl-2-phenyl-1,3-dioxane
⚗️
2,5,6-Trimethyl-4-heptenal
Aldehyde
⚗️
2,5,7-Octatrien-1-ol, 2,6-dimethyl-, 1-acetate
⚗️
2,6-Dimethoxyphenol
Phenol