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Smell Database
Chemical Name: 5-Androst-16-en-3-one
Common Name: Androstenone
Formula: C19H28O
Where Found: saliva of male pigs
Smells Like: For people with a certain genotype the odor is described as stale urine and for people with a different genotype it's harder to smell, but is thought of as pleasant and sweet like vanilla.
Melting Point: 140-155 °C
Boiling Point: 371.6 °C
Color: colorless
State: liquid
More Information: Enhanced Sensitivity to Androstenone (PDF)
Chemical Name: Benzaldehyde
Common Name: Benzaldehyde
Formula: C7H6O
Where Found: cherries, almonds, apricot and peach pits. Smells similar to hydrogen cyanide but is not toxic at the same levels.
Smells Like: bitter almonds
Melting Point: -16 °C
Boiling Point: 178 °C
Color: colorless
State: liquid
More Information: Illustrated Glossary: Benzaldehyde
Chemical Name: 2,3-Butanedione
Common Name: Diacetyl
Formula: C4H6O2
Where Found: butter, fermenting perspiration - Produced by bacteria
Smells Like: butter, cheese
Melting Point: -2 to -4 °C
Boiling Point: 88 °C
Color: yellowish-green
State: liquid
More Information: Diacetylhydrazine
Chemical Name: Butanoic Acid Ethyl Ester
Common Name: Ethyl Butyrate
Formula: C6H12O2
Where Found: used in perfume and rum
Smells Like: Sweet, fruity odor with hints of banana and pineapple
Melting Point: -93 °C
Boiling Point: 120 °C
Color: colorless
State: liquid
More Information: Butanoic acid ethyl ester
Chemical Name: 2-Butanone
Common Name: Ethyl Methyl Ketone
Formula: C4H8O
Where Found: Produced industrially to be used as an industrial solvent
Smells Like: butterscotch and acetone
Melting Point: -86.3 °C
Boiling Point: 79.6 °C
Color: colorless
State: liquid
More Information: Butanone Chemical Structure
Chemical Name: 1,8-Cineole
Common Name: Eucalyptol
Formula: C10H18O
Where Found: used in mouthwash and cough suppressants
Smells Like: mint
Melting Point: 1.5 °C
Boiling Point: 176-177 °C
Color: colorless
State: liquid
More Information: Eucalyptol - An Overview
Chemical Name: 1,4 Diaminobutane
Common Name: Putrescine
Formula: C4H12N2
Where Found: animals, rotting flesh
Smells Like: rotting flesh
Melting Point: 27 °C
Boiling Point: 158 °C
Color: colorless
State: solid
More Information: Putrescine
Chemical Name: 3,7-Dimethyl-2,6-octadienal
Common Name: Geranial, Citral A
Formula: C10H16O
Where Found: oil of lemon grass, lemons, oranges
Smells Like: lemons
Boiling Point: 229 °C
Color: colorless
State: liquid
More Information: Geranial
Chemical Name: (E)-3,7-Dimethyl-2,6-octadien-1-o1
Common Name: Geraniol
Formula: C10H180
Where Found: flowers especially roses
Smells Like: roses
Boiling Point: 229 °C
Color: colorless
State: liquid
More Information: Terpene Profile - Geraniol
Chemical Name: Ethyl-2-methylbutanoate
Formula: C7H14O2
Where Found: ripe apples
Smells Like: apples, fruity
Color: colorless
More Information: Ethyl 2-methyl butanoate
Chemical Name: 4-Ehylphenol
Common Name: --Ethylphenol
Formula: C8H10O
Smells Like: medicine
Melting Point: 42 °C
Boiling Point: 218 °C
Color: colorless
State: solid
More Information: Chemistry WebBook 4-Ethylphenol
Chemical Name: Hexanoic acid
Common Name: Caproic acid
Formula: C6H12O2
Where Found: milk fats, coconut and palm oil
Smells Like: sharp, sour, rancid odor that is vaguely goat-like
Melting Point: -4 °C
Boiling Point: 202 °C
Color: colorless
State: liquid
More Information: GESTIS Substance Database - Hexanoic Acid
Chemical Name: Hydrogen cyanide
Common Name: Hydrogen cyanide
Formula: HCN
Where Found: apricot and peach pits in low concentrations
Smells Like: almond
Melting Point: -13.4 °C
Boiling Point: 25.6 °C
Color: colorless
State: liquid/gas
More Information: Hydrogen Cyanide
Chemical Name: Hydrogen sulfide
Common Name: Hydrogen sulfide
Formula: H2S
Where Found: coal pits, gas wells, sulfur springs, decaying organic matter. Used in gas lines for warnings of leaks
Smells Like: rotten eggs
Melting Point: -85.4 °C
Boiling Point: -60/3 °C
Color: colorless
State: gas
More Information: Health Hazards - Hydrogen Sulfide Gas
Chemical Name: 4-Hydroxy-3-methoxybenzaldehyde
Common Name: Vanillin
Formula: C8H8O3
Where Found: vanilla seeds, used as flavoring in many foods
Smells Like: vanilla
Melting Point: 80 °C
Boiling Point: 285 °C
Color: yellowish white
State: solid
More Information: Vanilla and Vanillin: What's the Difference?
Chemical Name: 3-(para-Hydroxyphenyl)-2-butanone
Common Name: 3-(para-Hydroxyphenyl)-2-butanone
Formula: C10H12O2
Where Found: ripe raspberries
Smells Like: ripe raspberries
Melting Point: 82-84 °C
Boiling Point: 140-146 °C
More Information: Raspberry Ketone
Chemical Name: Isoamyl acetate
Common Name: Isoamyl acetate
Formula: C7H14O2
Where Found: ripe fruit especially in pears and apples
Smells Like: pear
Melting Point: -78 °C
Boiling Point: 142 °C
Color: colorless
State: liquid
More Information: Isoamyl Acetate
Chemical Name: Isoamyl propionate
Common Name: Isoamyl propionate
Formula: C8H16O2
Where Found: plants and fruits
Smells Like: pineapple
Melting Point: -73 °C
Boiling Point: 156 °C
Color: colorless
State: liquid
More Information: Esters. An Introduction (PDF)
Chemical Name: 2-Methoxy-4-(2-propenyl)pheol
Common Name: Eugenol
Formula: C10H12O2
Where Found: bay leaves, cloves
Smells Like: cloves
Melting Point: -9.2 °C
Boiling Point: 255 °C
Color: colorless or pale yellow
State: liquid
More Information: Lesson Plan: Extraction of Eugenol from Cloves
Chemical Name: 2-methoxy-5-methyl-pyrazine
Common Name: 2-methoxy-5-methyl-pyrazine
Formula: C6H8N2O
Where Found: used in flavoring agents
Boiling Point: 167.8°C
Color: colorless
State: liquid
More Information: 2-Methoxy-5-Methylprazine
Chemical Name: 3-Methyl-1-butanol
Common Name: Isoamyl Alcohol
Formula: C5H12O
Where Found: used as a flavoring agent
Smells Like: whiskey
Melting Point: -117 °C
Boiling Point: 130 °C
Color: colorless
State: liquid
More Information: Isoamyl Alcohol
Chemical Name: 3-Methyl-1H-indole
Common Name: Skatole
Formula: C9H9N
Where Found: beetroot, feces, coal tar
Smells Like: putrid, fecal
Melting Point: 95 °C
Boiling Point: 165 °C
Color: whitish brown
State: solid
More Information: Skatole
Chemical Name: 5-Methyl-2-(1-methylethyl)cyclohexanone
Common Name: L-Menthone
Formula: C10H18O
Where Found: Peppermint and geranium oil, used in perfume and foods
Smells Like: peppermint
Melting Point: -6 °C
Boiling Point: 207 °C
Color: amber
State: liquid
More Information: L-Menthone
Chemical Name: 5-Methyl-2-(1-methylethyl)phenol
Common Name: Thymol
Formula: C10H14O
Where Found: plant oils
Smells Like: woody, burnt, smoky
Melting Point: 51.5 °C
Boiling Point: 233 °C
State: solid
More Information: Thymol
Chemical Name: trans-3-Methyl-2-hexenoic acid
Common Name: trans-3-Methyl-2-hexenoic acid
Formula: C7H12O2
Where Found: sweat glands
Smells Like: sweat
Melting Point: -3.4 °C
Boiling Point: 225.2 °C
Color: colorless
State: liquid
More Information: trans-3-Methyl-2-hexenoic acid
Chemical Name: 2-Methyl-2-propanethiol
Common Name: Tert-Butyl Mercaptan
Formula: C4H10S
Where Found: used as an odorant for natural gas and sometimes used as a flavoring agent
Smells Like: skunk
Melting Point: -0.5 °C
Boiling Point: 64 °C
Color: colorless
State: liquid
More Information: Organic Sulfur Compounds
Chemical Name: 2-Methyl-5-I1-methylethenyl)-2-cyclohexene-1-one
Common Name: L-Carvone
Formula: C10H14O
Where Found: (mirror image to D-Carvone) found in spearmint and kuromoji oils. It's used to flavor chewing gum
Smells Like: spearmint
Melting Point: 88.9 °C
Boiling Point: 230 °C
Color: colorless
State: liquid
More Information: L-Carvone (PDF)
Chemical Name: 2-Methyl-5-I1-methylethenyl)-2-cyclohexene-1-one
Common Name: D-Carvone
Formula: C10H14O
Where Found: (mirror image to L-Carvone) found in mandarin peel oil and gingergrass oil
Smells Like: caraway
Melting Point: 88.9 °C
Boiling Point: 230 °C
Color: colorless
State: liquid
More Information: D-Carvone
Chemical Name: 3-Methylbutanoic acid
Common Name: Isovaleric acid
Formula: C5H10O2
Where Found: plants, hop (used in beer making) and tobacco
Smells Like: rancid cheese, sweaty, putrid
Melting Point: - 37 °C
Boiling Point: 175 °C
Color: colorless
State: liquid
More Information: Flavor Library - Isovaleric Acid
Chemical Name: 2-Methylpropanal
Common Name: Isobutyraldehyde
Formula: C4H8O
Smells Like: sharp, pungent fragrance
Melting Point: -65.9 °C
Boiling Point: 64 °C
Color: colorless
State: liquid
More Information: Isobutyraldehyde
Chemical Name: 3-(Methylthio)propionaldehyde
Common Name: Methional
Formula: C4H8OS
Where Found: used in potato-based snacks
Smells Like: onion, meaty
Melting Point: -75 °C
Boiling Point: 165 °C
Color: colorless
State: liquid
More Information: Methional
Chemical Name: N,N-Dimethylmethanamine
Common Name: Trimethylamine
Formula: C3H9N
Where Found: degradation of nitrogen containing organics in plants and animals
Smells Like: rotten fish, ammonia like
Melting Point: -117.1 °C
Boiling Point: 2.9 °C
Color: colorless
State: gas
More Information: Chemistry World - Trimethylamine
Chemical Name: 3-Phenyl-2-propenal
Common Name: Cinnamaldehyde
Formula: C9H8O
Where Found: Cinnamon tree bark, leaves of Chinese cinnamon tree, spice
Smells Like: cinnamon
Melting Point: -7.5 °C
Boiling Point: 246 °C
Color: yellowish
State: liquid
More Information: Cinnamaldehyde - The Smell and Flavour of Cinnamon
Chemical Name: 2-Phenylethanol
Common Name: beta-Phenyl ethyl alcohol
Formula: C8H10O
Where Found: rose flowers - along with geraniol, comprises fragrances of roses
Smells Like: roses
Melting Point: -27 °C
Boiling Point: 218 °C
Color: colorless
State: liquid
More Information: beta-Phenyl ethyl alcohol
Chemical Name: 2-Propene-1-sulfinothioic acid S-2-propenyl ester
Common Name: Allicin
Formula: C6H10OS2
Where Found: garlic
Smells Like: garlic
Melting Point: < 25 °C
Boiling Point: decomposes
Color: yellow
State: liquid
More Information: Health Benefits of Allicin
Chemical Name: Pyridine
Common Name: Pyridine
Formula: C5H5N
Where Found: coal tar
Smells Like: sour, putrid, fishy
Melting Point: -41.6 °C
Boiling Point: 115.2 °C
Color: colorless
State: liquid
More Information: Pyridine
Chemical Name: Triiodomethane
Common Name: Iodoform
Formula: CHI3
Where Found: commonly used in disinfectant
Smells Like: Older Chemistry texts referred to it as the smell of hospitals, chloroform
Melting Point: 120 °C
Boiling Point: °C
Color: yellow
State: solid
More Information: The Iodoform Test
Chemical Name: 4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one and 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
Common Name: Alpha/Beta Ionone
Formula: C13H20O
Where Found: flowers (violets), dry grass - hay
Smells Like: violets, hay
Melting Point: -49 °C
Boiling Point: 126-128 °C
Color: pale yellow or clear
State: liquid
More Information: alpha/beta Ionone
Chemical Name: w-Pentadecalactone
Common Name: w-Pentadecalactone
Formula: C15H28O2
Where Found: used to make synthetic musk
Melting Point: 34 °C
Boiling Point: 137 °C
State: solid
More Information: w-Pentadecalactone