Molecular formula
C18H16
87 compounds have this formula on CompoundList.
- Molar mass
- 232.33g/mol
- Monoisotopic mass
- 232.1252Da
- Atoms
- 34
- Elements
- 2
- Rings plus double bonds
- 11
The formula C18H16 describes a molecule made of 18 carbon atoms and 16 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 × 1893.06%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 166.94%1.008 × 16 = 16.128 g/mol
Look up another formula
Compounds with the formula C18H16
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 87 of 87 compounds
1,6-Diphenylhexatriene
CAS 1720-32-7C18H16
1,6-Diphenyl-1,3,5-hexatriene
C18H16
![[(1Z,3E,5E)-6-Phenylhexa-1,3,5-trienyl]benzene chemical structure, C18H16](/s/BOBLSBAZCVBABY-WSRJZADISA-N.svg)
[(1Z,3E,5E)-6-Phenylhexa-1,3,5-trienyl]benzene
C18H16
![[(1E)-6-Phenylhexa-1,3,5-trienyl]benzene chemical structure, C18H16](/s/BOBLSBAZCVBABY-WOJMPGIJSA-N.svg)
[(1E)-6-Phenylhexa-1,3,5-trienyl]benzene
C18H16
Chrysene, 7,8,9,10-tetrahydro-
CAS 104460-72-2C18H16
5,6,11,12-Tetrahydrochrysene
CAS 18930-97-7C18H16
1,3-Dimethyl-2-phenylnaphthalene
CAS 86399-41-9C18H16
1-Benzyl-3-methylnaphthalene
CAS 93870-53-2C18H16
Pyrene, 10b,10c-dihydro-10b,10c-dimethyl-, trans-
CAS 956-84-3C18H16
8,9,10,11-Tetrahydrobenz(a)anthracene
CAS 67064-62-4C18H16
5-Prop-2-en-1-ylidene-10,11-dihydro-5H-dibenzo(a,d)(7)annulene
CAS 24755-73-5C18H16
![5-Ethynyltricyclo[8.2.2.24,7]hexadeca-1(12),4,6,10,13,15-hexaene chemical structure, C18H16, CAS 111870-61-2](/s/GCRYBHUTYSZNKJ-UHFFFAOYSA-N.svg)
5-Ethynyltricyclo[8.2.2.24,7]hexadeca-1(12),4,6,10,13,15-hexaene
CAS 111870-61-2C18H16
3'-Methyl-1,2-cyclopentenophenanthrene
CAS 549-38-2C18H16
2~3~,2~6~-Dihydro-1~1~,2~1~:2~2~,3~1~-terphenyl
CAS 17351-29-0C18H16
2-(2-Phenylethyl)naphthalene
CAS 53342-34-0C18H16
Benz(a)anthracene, 1,2,3,4-tetrahydro-
CAS 4483-98-1C18H16
15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-11-methyl-
CAS 24684-41-1C18H16
1-(1-Indanyliden)indan
CAS 17666-94-3C18H16
1,6-Diphenyl-1,3,5-hexatriene, all-cis-
CAS 170080-17-8C18H16
Benzene, 1,1'-(2,4-cyclohexadien-1-ylidene)bis-
CAS 26592-77-8C18H16
Naphthalene, 1-(2,6-dimethylphenyl)-
CAS 147424-62-2C18H16
2,3-Dihydro-1H,1'H-1,2'-biindene
CAS 69381-18-6C18H16
1-(2-Phenylethyl)naphthalene
CAS 36707-32-1C18H16
syn-7,14-Dihydro-7,14-dimethylene-1,6:8,13-bismethano(14)annulene
CAS 109216-46-8C18H16
- 7-Methyl-16,17-dihydro-15H-cyclopenta[a]phenanthrene63020-76-8C18H16
- 1-Methyl-4-(4-phenylcyclopenta-1,3-dien-1-yl)benzene7144-81-2C18H16
- Benzene, 1,1'-(2-methyl-1,3-cyclopentadiene-1,3-diyl)bis-62937-87-5C18H16
- 1,1'-(1E)-1-Buten-3-yne-1,4-diylbis[4-methylbenzene]136612-72-1C18H16
- 2,3-Dimethyl-1-phenylnaphthalene27521-96-6C18H16
- 2-Methyl-1-(2-methylphenyl)naphthalene93870-58-7C18H16
- 1-(1-Phenylethyl)naphthalene7381-78-4C18H16
- ((1Z,4E)-3-Methylenepenta-1,4-diene-1,5-diyl)dibenzene2185780-81-6C18H16
- 11,1-Metheno-1H-cyclohepta(b)heptalene, 11a,12,13,13a-tetrahydro-28255-97-2C18H16
- Pentacyclo(10.2.2.25,8.02,4.09,11)octadeca-5,7,12,15,17-hexaene83944-24-5C18H16
- Azulene, 2,6-dimethyl-4-phenyl109985-35-5C18H16
- 15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-2-methyl-3988-20-3C18H16
- 1-[(4-Methylphenyl)methyl]naphthalene20204-71-1C18H16
- Naphthalene, [(methylphenyl)methyl]-30306-53-7C18H16
- 2-(1-Phenylethyl)naphthalene42372-45-2C18H16
- trans-1,1'-Bibenzoindanylidene24536-68-3C18H16
- Benzene, 1,1'-(1-ethynyl-3-methylene-1,3-propanediyl)bis-552843-63-7C18H16
- Decalene51831-03-9C18H16
- 1,1'-(3-Methylcyclopenta-1,3-diene-1,2-diyl)dibenzene184856-50-6C18H16
- 6-Methyl-16,17-dihydro-15H-cyclopenta(a)phenanthrene63020-26-8C18H16
- 1,1'-(4-Methylcyclopenta-1,3-diene-1,2-diyl)dibenzene24105-41-7C18H16
- 2-[(2-Methylphenyl)methyl]naphthalene61742-20-9C18H16
- 6-(Phenylethynyl)-1,2,3,4-tetrahydronaphthalene65614-82-6C18H16
- 9-Methyl-10-(2-propen-1-yl)anthracene97451-54-2C18H16
- 2-(1,3-Dihydro-2H-inden-2-ylidene)-2,3-dihydro-1H-indene78305-15-4C18H16
- 9-Methyl-10-(1E)-1-propen-1-ylphenanthrene121254-40-8C18H16
- 15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-12-methyl-63020-73-5C18H16
- 15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-1-methyl-63020-74-6C18H16
- 15H-Cyclopenta(a)phenanthrene, 16,17-dihydro-4-methyl-63020-75-7C18H16
- 9,10-Dimethyl-9,10-dihydro-9,10-ethenoanthracene58426-51-0C18H16
- Naphthalene, 1-[(3-methylphenyl)methyl]-184587-47-1C18H16
- Bicyclo[3.1.0]hex-2-ene, 3,5-diphenyl-94995-15-0C18H16
- 1,3,5-Cycloheptatriene, 7-[4-(1,3-cyclopentadien-1-yl)phenyl]-60582-53-8C18H16
- Bicyclo[12.4.0]octadeca-1,3,5,7,9,11,13,15,17-nonaene266-58-0C18H16
- Benzene, [2-(2-methyl-1-phenyl-2-cyclopropen-1-yl)ethenyl]-, (E)-94078-36-1C18H16
- 1,1'-(But-1-en-3-yne-1,4-diyl)bis(4-methylbenzene)189331-74-6C18H16
- 9-(Prop-2-en-1-yl)-9,10-dihydro-9,10-methanoanthracene62686-44-6C18H16
- 3,3'-(Ethene-1,2-diyl)di(bicyclo[4.2.0]octa-1,3,5-triene)99717-86-9C18H16
- 1,1'-[3-(Prop-2-en-1-yl)cycloprop-1-ene-1,2-diyl]dibenzene62907-47-5C18H16
- 6,7-Dimethyl-1-phenylnaphthalene51036-83-0C18H16
- 3-(1,5-Cyclohexadien-1-yl)-1,1a(2)-biphenyl93870-51-0C18H16
- 4-Phenyl-1,2,3,5-tetrahydro-s-indacene1382826-42-7C18H16
- 3'-(1-Ethynylcyclopropyl)-2-methyl-1,1'-biphenyl2229401-56-1C18H16
- 9-(2-Methylprop-1-EN-1-yl)phenanthrene66004-27-1C18H16
- 1,2-Diphenylbicyclo[3.1.0]hex-2-ene62907-49-7C18H16
- 4-Ethenyl-3-phenyl-1,2-dihydronaphthalene109327-50-6C18H16
- 1,1'-(2-Methylpent-1-en-4-yne-1,5-diyl)dibenzene929545-46-0C18H16
- 3,4',5-Trivinyl-1,1'-biphenyl2110481-90-6C18H16
- 1-(3a,7a-Dihydro-1H-inden-1-ylidene)-3a,7a-dihydro-1H-indene112245-82-6C18H16
- 1,1'-(But-1-en-3-yne-1,4-diyl)bis(2-methylbenzene)136612-73-2C18H16
- (4-Benzylidene-2-methylcyclobut-1-en-1-yl)benzene138943-08-5C18H16
- 3,4,7,12-Tetrahydrotetraphene64807-72-3C18H16
- 3-Ethenyl-1-methyl-2-phenyl-1H-indene62937-88-6C18H16
- 1-Methyl-7-(4-methylphenyl)naphthalene10460-59-0C18H16
- 9-(2-Methylbut-3-yn-2-yl)-9H-fluorene2229405-33-6C18H16
- [(1-Ethynylcyclopropyl)(phenyl)methyl]benzene2228481-78-3C18H16
- 1-(2-Methylprop-1-en-1-yl)-2-(phenylethynyl)benzene59046-69-4C18H16
- 2-Methyl-1-(3-methylphenyl)naphthalene94995-18-3C18H16
- 2-Cyclopropyl-7-phenyl-1H-indene1646359-71-8C18H16
- 1-(Cyclohex-1-en-1-ylethynyl)naphthalene1802550-48-6C18H16
- 7-[(Z)-4-Cyclohepta-2,4,6-trien-1-ylidenebut-2-enylidene]cyclohepta-1,3,5-triene92234-09-8C18H16
- 1-Methyl-2-[(E)-4-(2-methylphenyl)but-1-en-3-ynyl]benzeneC18H16
- (1R,8bS)-1-Phenyl-1,2,4,8b-tetrahydrocyclobuta[a]naphthalene139407-88-8C18H16
Frequently asked questions
What is the molar mass of C18H16?
The molar mass of C18H16 is 232.33 g/mol, calculated from standard atomic weights for 18 carbon atoms and 16 hydrogen atoms. The monoisotopic mass is 232.1252 Da.
How many compounds have the formula C18H16?
CompoundList lists 87 compounds with the molecular formula C18H16, including 1,6-Diphenylhexatriene, 1,6-Diphenyl-1,3,5-hexatriene, [(1Z,3E,5E)-6-Phenylhexa-1,3,5-trienyl]benzene. 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 C18H16?
C18H16 has a degree of unsaturation of 11. 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.