Molecular formula
C12H18
233 compounds have this formula on CompoundList.
- Molar mass
- 162.28g/mol
- Monoisotopic mass
- 180.2538Da
- Atoms
- 30
- Elements
- 2
- Rings plus double bonds
- 4
The formula C12H18 describes a molecule made of 12 carbon atoms and 18 hydrogen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1288.82%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 1811.18%1.008 × 18 = 18.144 g/mol
Look up another formula
Compounds with the formula C12H18
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 233 compounds
N-Hexylbenzene-2,3,4,5,6-D5
CAS 1219799-07-1C12H18
Benzene, 1-ethyl-4-(1-methylpropyl)
CAS 6565-57-7C12H18
Benzene, 1-(1,1-dimethylethyl)-2,4-dimethyl
CAS 14411-55-3C12H18
5-Ethyl-3-methyl-3,4-nonadien-6-yne
CAS 61227-88-1C12H18
Cyclopropane, 1-(2-methylene-3-butenyl)-1-(1-methylenepropyl)-
CAS 51567-07-8C12H18
1,6-Dimethyl-3,4-divinyl-1-cyclohexene
CAS 61142-14-1C12H18
1,2,5-Trimethyl-3-isopropylbenzene
CAS 41314-13-0C12H18
2-Ethyl-1-methyl-3-(propan-2-yl)benzene
CAS 22582-89-4C12H18
4-Ethyl-1-methyl-2-(propan-2-yl)benzene
CAS 204007-34-1C12H18
Orb2813865
CAS 214778-51-5C12H18
5-Ethenyl-1,2,3,4,5-pentamethylcyclopenta-1,3-diene
CAS 20145-47-5C12H18
4-Butyl-1,2-dimethylbenzene
CAS 15880-21-4C12H18
Benzene, 2-(1,1-dimethylethyl)-1,4-dimethyl
CAS 42861-84-7C12H18
![Dispiro[2.0.2.5]undecane, 8-methylene- chemical structure, C12H18, CAS 51567-09-0](/s/UOUZURLSQIFLIA-UHFFFAOYSA-N.svg)
Dispiro[2.0.2.5]undecane, 8-methylene-
CAS 51567-09-0C12H18
4,4-Diethyl-2,5-octadiyne
CAS 61227-87-0C12H18
1,1,2-Triethenylcyclohexane
CAS 30172-87-3C12H18
1,3-DI-Iso-propylbenzene-D18
CAS 1398065-59-2C12H18
Dispiro(cyclopropane-1,2'-bicyclo(2.2.2)octane-3',1''-cyclopropane)
CAS 40827-30-3C12H18
Benzene, 1,2-diethyl-4,5-dimethyl-
CAS 19961-07-0C12H18
1,4-Dimethyl-2-(1-methylpropyl)benzene
CAS 3561-84-0C12H18
Benzene, 1-ethyl-3-(1-methylpropyl)
CAS 6565-56-6C12H18
1,2-Dimethyl-4-secButylbenzene
CAS 76291-19-5C12H18
2,4,6,10-Dodecatetraene
CAS 24330-32-3C12H18
Pentalene, octahydro-1,4-divinyl-
CAS 17572-84-8C12H18
- 1,7-Octadiene, 2,7-dimethyl-3,6-bis(methylene)-16714-60-6C12H18
- 2-Ethylideneadamantane13376-16-4C12H18
- Cyclooctene, 5,6-diethenyl-46045-35-6C12H18
- 1-Methyl-4-(3-methylbutyl)benzene61971-92-4C12H18
- 1,2,3-Trimethyl-4,5,6,7-tetrahydro-1H-indene163889-80-3C12H18
- 2,2-Dimethyl-3,5-decadiyne55682-73-0C12H18
- Hexamethyltetracyclo(2.2.0(2,6).0(3,5))hexane14551-30-5C12H18
- Bicyclohexyl-3,3'-diene37746-25-1C12H18
- 1-(3,3-Dimethyl-but-1-ynyl)-1,2-dimethyl-3-methylene-cyclopropane959091-65-7C12H18
- 2-(3,3-Dimethyl-but-1-ynyl)-1,1-dimethyl-3-methylene-cyclopropane959084-66-3C12H18
- 1,7,7-Trimethyl-2-vinylbicyclo[2.2.1]hept-2-ene130930-56-2C12H18
- 3-Ethylidene-7-methylenebicyclo(3.3.1)nonane37845-02-6C12H18
- 1,2,2a,3,4,5,5a,6,7,8-Decahydroacenaphthylene31073-88-8C12H18
- 1-Methyl-2-(3-methylbutyl)benzene139388-98-0C12H18
- 4-Ethyl-2-methyl-1-(propan-2-yl)benzene71745-53-4C12H18
- Cyclopropane, tris(1-methylethylidene)-2799-44-2C12H18
- 8-Methylenedispiro[2.1.2.4]undecane51567-08-9C12H18
- Tetracyclo[5.2.1.0(2,6).0(3,5)]decane, 4,4-dimethyl-74646-38-1C12H18
- trans-5,6-Divinyl-1-cyclooctene53264-71-4C12H18
- 3-Cyclohexylidenecyclohexene65181-97-7C12H18
- Dodeca-1,2,10,11-tetraene182364-13-2C12H18
- 2,3-Diethyl-1,4-dimethylbenzene71766-57-9C12H18
- 1-Methyl-3-isopropyl-6,6-dimethylfulvene347903-40-6C12H18
- 1-Methyl-4-(3-methylbutan-2-yl)benzene22040-31-9C12H18
- 3a,4,5,6,7,7a-Hexahydrodimethyl-4,7-methano-1H-indene94021-64-4C12H18
- 2,9-Dimethyldeca-2,4,6,8-tetraene91851-95-5C12H18
- Dodeca-3,5,7,9-tetraene31699-39-5C12H18
- anti-1,2,3,5,6-Pentamethyl-4-methylenebicyclo(3.1.0)hex-2-ene20055-93-0C12H18
- Tricyclo(4.2.1.02,5)nonane, 9-(1-methylethylidene)-, (1alpha,2alpha,5alpha,6alpha)-53848-20-7C12H18
- 1H-Cyclobuta(cd)pentalene, octahydro-1-(1-methylethylidene)-66149-44-8C12H18
- Tetracyclo(4.2.2.26,5.01,6)dodecane77422-57-2C12H18
- (3.3.3)-Propellane, 2-methylene-111917-14-7C12H18
- 1,2,2A,3,4,5,6,7,8,8A-Decahydroacenaphthylene73689-65-3C12H18
- 2-Vinyladamantane81372-28-3C12H18
- Cyclopentene, 1-methyl-3-(1-methylethyl)-2-(1-propynyl)-(9CI)126133-03-7C12H18
- 2,3,4,7-Tetrahydro-2-propyl-1H-indene926925-74-8C12H18
- 3,6-Dodecadiyne918309-83-8C12H18
- 4,4,5,5-Tetramethylocta-2,6-diyne17553-33-2C12H18
- 1-Methyl-2-(1-methylbutyl)benzene96857-17-9C12H18
- 1-Methyl-4-(1-methylbutyl)benzene13633-04-0C12H18
- 4a,8a-Ethenonaphthalene, 1,2,3,4,5,6,7,8-octahydro-38992-78-8C12H18
- 3,3,6,6-Tetramethyl-octa-1,7-diyne64020-56-0C12H18
- 1,4-Methanonaphthalene, 1,2,3,4,5,6,7,8-octahydro-5-methyl-86954-77-0C12H18
- Spiro[2.9]dodeca-7,11-diene62108-42-3C12H18
- 1,9-Decadiene, 5,6-bis(methylene)-90822-64-3C12H18
- 1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-5-(2-propenyl)-116054-17-2C12H18
- 1,1-Dimethyl-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoindene113152-36-6C12H18
- [(2R)-4-Methylpentan-2-yl]benzene1228632-19-6C12H18
- 1-Ethyl-2-methyl-3-propylbenzene94278-81-6C12H18
- (2-Methylidenepent-4-en-1-ylidene)cyclohexane61786-21-8C12H18
- 1,3-Dimethyl-1,4,5,6,7,8-hexahydroazulene826-75-5C12H18
- Tricyclo[7.3.0.03,7]-4-dodecene54158-71-3C12H18
- 1-Ethynyl-2',2',3',3'-tetramethyl-1,1'-bi(cyclopropane)2228668-32-2C12H18
- 4-Ethenyl-3-(1-methyl-1-propenyl)cyclohexene61142-15-2C12H18
- 1,5,5-Trimethyl-6-(2-propenylidene)-1-cyclohexene56248-17-0C12H18
- 1,4A-Dimethyl-2,3,4,4a,5,6-hexahydronaphthalene5988-83-0C12H18
- 3-Methylidenespiro[5.5]undec-1-ene87482-39-1C12H18
- 1,4-Diethenylbicyclo[2.2.2]octane88393-19-5C12H18
- 1,3,4,5,6,7-Hexahydro-2H-1,4a-ethanonaphthalene94250-36-9C12H18
- 3a,6a-Dimethyl-2,5-dimethylideneoctahydropentalene88987-23-9C12H18
- 1,1'-Bi(bicyclo[2.2.0]hexane)89043-82-3C12H18
- 5-Heptylidenecyclopenta-1,3-diene61039-46-1C12H18
- 3-Butyl-3-methyl-6-methylidenecyclohexa-1,4-diene84004-90-0C12H18
- (1R,3R,5S)-1,5-Diethenyl-3-methyl-2-methylidenecyclohexane828937-40-2C12H18
- 1,2,3,4,4A,5,6,7,8,8B-Decahydrobiphenylene61468-41-5C12H18
- 1,3-Dimethyl-4,5-dimethylidene-2-propan-2-ylcyclopentene147090-73-1C12H18
- 1,5-Dimethyl-3,4-dimethylidene-2-propan-2-ylcyclopentene147090-71-9C12H18
- 1,2,4-Trimethyl-5-methylidene-3-propan-2-ylcyclopenta-1,3-diene147090-65-1C12H18
- 1,2,3-Trimethyl-5-methylidene-4-propan-2-ylcyclopenta-1,3-diene147090-64-0C12H18
- 1,3,5-Cycloheptatriene, 2,4-dimethyl-3-(1-methylethyl)-61051-81-8C12H18
- 7-Ethyl-1-(propan-2-yl)cyclohepta-1,3,5-triene61456-06-2C12H18
- Bicyclo[4.4.2]dodeca-1,5-diene88816-29-9C12H18
- 2,6,7,7-Tetramethylocta-1,5-dien-3-yne89154-43-8C12H18
- 3,4-Dimethyl-2,4,5,6,7,7a-hexahydro-1H-4,7-methanoindene89422-04-8C12H18
- 3,7-Dimethyl-3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoindene89422-05-9C12H18
- 3,6-Dimethyl-3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoindene89422-07-1C12H18
Frequently asked questions
What is the molar mass of C12H18?
The molar mass of C12H18 is 162.28 g/mol, calculated from standard atomic weights for 12 carbon atoms and 18 hydrogen atoms. The monoisotopic mass is 180.2538 Da.
How many compounds have the formula C12H18?
CompoundList lists 233 compounds with the molecular formula C12H18, including N-Hexylbenzene-2,3,4,5,6-D5, Benzene, 1-ethyl-4-(1-methylpropyl), Benzene, 1-(1,1-dimethylethyl)-2,4-dimethyl. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C12H18?
C12H18 has a degree of unsaturation of 4. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.