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-(4-Methylphenoxy)-N-(1H-pyrazol-3-yl)-N-(thiophen-2-ylmethyl)acetamide
⚗️
2-(4-Methylphenoxy)ethanol
Alcohol
⚗️
2-(5-Isopropyl-2-methyl-tetrahydro-thiophen-2-yl)-ethanol
Alcohol
⚗️
2-(Methylpropyl)quinoline
⚗️
2-(p-Menth-1-ene-10-yl)cyclopentanone
Ketone
⚗️
2-(Tetrahydro-5-methyl-5-vinyl-2-furyl)propan-2-ol
Alcohol
⚗️
2-[(3,3,5-Trimethylcyclohexyl)acetyl]cyclopentan-1-one
Ketone
⚗️
2-[7-Isopropyl-5-methylbicyclo[2.2.2]oct-5-en-2-yl]-1,3-dioxolane
⚗️
2-[8-Isopropyl-6-methylbicyclo[2.2.2]oct-5-en-2-yl]-1,3-dioxolane
⚗️
2-Acetyl-2-thiazoline
⚗️
2-Acetyl-3-methylpyrazine
Furan/Heterocyclic
⚗️
2-Acetyl-5-methylfuran
Furan/Heterocyclic
⚗️
2-Acetylpyridine
Furan/Heterocyclic
⚗️
2-Acetylthiazole
Furan/Heterocyclic
⚗️
2-Acetylthiophene
⚗️
2-Amino-2-(hydroxymethyl)-1,3-propanediol
Alcohol
⚗️
2-Benzyl-2-methylbut-3-enenitrile
⚗️
2-Benzylheptanol
Alcohol
⚗️
2-Bornyl propionate
Ester
⚗️
2-Butanol
Alcohol
⚗️
2-Butanone
Ketone
⚗️
2-Butanone, 4-(dodecylthio)-4-[2,6,6-trimethyl-1(or 2)-cyclohexen-1-yl]
⚗️
2-Butanone, phenylhydrazone
Ketone
⚗️
2-Butenoic acid, cyclohexyl ester, (E)-
Acid
⚗️
2-Butyl-4,4,6-trimethyl-1,3-dioxane
⚗️
2-Butyltetrahydro-6-methyl-4-methylene-2H-pyrane
⚗️
2-Cyclohexen-1-ol, 2,6-dimethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-
⚗️
2-Cyclohexen-1-one, 2-methyl-5-propyl-
⚗️
2-Cyclohexen-1-one, 3,5-diethyl-2,5-dimethyl-
⚗️
2-Cyclohexen-1-one, 3,5-diethyl-5,6-dimethyl-
⚗️
2-Cyclohexen-1-one, 4-[3-(acetyloxy)-1-buten-1-yl]-3,5,5-trimethyl-, pyrolyzed
⚗️
2-Cyclohexylcyclohexanone
Ketone
⚗️
2-Cyclohexylethyl alcohol
Alcohol
⚗️
2-Cyclohexylidene-2-o-tolylacetonitrile
⚗️
2-Cyclohexylpropanal
Aldehyde
⚗️
2-Cyclopenten-1-one, 2-hydroxy-3,4-dimethyl-
⚗️
2-Cyclopentene-1-acetic acid, ethyl ester
Acid
⚗️
2-Cyclopentylcyclopentanone
Ketone
⚗️
2-Decanone
Ketone
⚗️
2-Decenal
Aldehyde
⚗️
2-Dodecenal
Aldehyde
⚗️
2-Ethoxy-2,6,6-trimethyl-9-methylenebicyclo[3.3.1]nonane
⚗️
2-Ethoxy-4-(methoxymethyl)phenol
Phenol
⚗️
2-Ethoxy-4-[(1-methylethoxy)methyl] phenol
Phenol
⚗️
2-Ethoxy-4-methylphenol
Phenol
⚗️
2-Ethyl-1-butanol
Alcohol
⚗️
2-Ethyl-1-hexanol
Alcohol
⚗️
2-Ethyl-1,3,3-trimethyl-2-norbornanol
Alcohol
⚗️
2-Ethyl-3-methylpyrazine
Furan/Heterocyclic
⚗️
2-Ethyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-buten-1-ol
Alcohol
⚗️
2-Ethyl-4-hydroxy-5-methylfuran-3(2H)-one
Furan/Heterocyclic
⚗️
2-Ethyl-4-methylthiazole
Furan/Heterocyclic
⚗️
2-Ethyl-5-methoxybicyclo[2.2.1]heptane
⚗️
2-Ethyl-5-methylpyrazine
Furan/Heterocyclic
⚗️
2-Ethyl-dimethylpyrazine (isomer unspecified)
Furan/Heterocyclic
⚗️
2-Ethylbutyl acetate
Ester
⚗️
2-Ethylbutyl cyclopent-2-ene-1-acetate
Ester
⚗️
2-Ethylbutyric acid
Acid
⚗️
2-Ethylfuran
Furan/Heterocyclic
⚗️
2-Ethylhexyl acetate
Ester
⚗️
2-Ethylidenedecan-1-al
⚗️
2-Ethylphenol
Phenol
⚗️
2-Ethylpyrazine
Furan/Heterocyclic
⚗️
2-Formyl-6,6-dimethylbicyclo(3.1.1)hept-2-ene
⚗️
2-Furancarboxylic acid, tetrahydro-, ethyl ester
Furan/Heterocyclic
⚗️
2-Furanmethanethiol formate
Furan/Heterocyclic
⚗️
2-Furfuryleneoctanal
Aldehyde
⚗️
2-Furyl methyl ketone
Ketone
⚗️
2-Heptanol
Alcohol
⚗️
2-Heptanol, 3,6-dimethyl-
⚗️
2-Heptanone
Ketone
⚗️
2-Heptylcyclopentanone
Ketone
⚗️
2-Heptyltetrahydrofuran
Furan/Heterocyclic
⚗️
2-Hexadecen-1-ol, 3,7,11,15-tetramethyl-
Diterpene alcohol
⚗️
2-Hexen-1-ol
Alcohol
⚗️
2-Hexen-1-ol, 3-methyl-, 1-acetate
Ester
⚗️
2-Hexenal
Aldehyde
⚗️
2-Hexenoic acid, 2-methyl-, methyl ester, (2E)-
Acid
⚗️
2-Hexyl-(E)-cinnamaldehyde
Aldehyde
⚗️
2-Hexyl-1,3-dioxolane
⚗️
2-Hexylcyclopentanone
Ketone
⚗️
2-Hexylidenehexanal
Aldehyde
⚗️
2-Hydroxy-alpha,alpha,4-trimethylcyclohexanemethanol
Alcohol
⚗️
2-Hydroxyacetophenone
Ketone
⚗️
2-Hydroxybenzoic acid
Acid
⚗️
2-Hydroxymethylbenzoic acid gamma lactone
Lactone
⚗️
2-Imidazolidinone
Ketone
⚗️
2-Isobutyl-3-methoxypyrazine
Furan/Heterocyclic
⚗️
2-Isobutyl-3-methylpyrazine
Furan/Heterocyclic
⚗️
2-Isobutyl-4-methyltetrahydro-2H-pyran-4-ol
Furan/Heterocyclic
⚗️
2-Isobutylquinoline
⚗️
2-Isobutylthiazole
Furan/Heterocyclic
⚗️
2-Isopropyl-4-methylanisole
⚗️
2-Isopropyl-4-methylthiazole
Furan/Heterocyclic
⚗️
2-Isopropyl-5-methyl-2-hexenal
Aldehyde
⚗️
2-Isopropyl-5-methylcyclohexyl 2-methylbut-2-enoate