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Molecular formula

C18H34

29 compounds have this formula on CompoundList.

Molar mass
250.47g/mol
Monoisotopic mass
250.2661Da
Atoms
52
Elements
2
Rings plus double bonds
2

The formula C18H34 describes a molecule made of 18 carbon atoms and 34 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 × 1886.32%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 3413.68%
    1.008 × 34 = 34.272 g/mol
Look up another formula

Compounds with the formula C18H34

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 29 of 29 compounds

1-Octadecyne chemical structure, C18H34, CAS 629-89-0
1-Octadecyne
CAS 629-89-0C18H34
Cyclohexane, 1,1'-(1,1,3-trimethyl-1,3-propanediyl)bis- chemical structure, C18H34, CAS 38970-72-8
Cyclohexane, 1,1'-(1,1,3-trimethyl-1,3-propanediyl)bis-
CAS 38970-72-8C18H34
9,12-Octadecadiene, (E,E)- chemical structure, C18H34, CAS 18266-25-6
9,12-Octadecadiene, (E,E)-
CAS 18266-25-6C18H34
Octadeca-1,9-diene chemical structure, C18H34, CAS 116408-27-6
Octadeca-1,9-diene
CAS 116408-27-6C18H34
5-Octadecyne chemical structure, C18H34, CAS 71899-42-8
5-Octadecyne
CAS 71899-42-8C18H34
Octadec-7-yne chemical structure, C18H34, CAS 64183-49-9
Octadec-7-yne
CAS 64183-49-9C18H34
9-Octadecyne chemical structure, C18H34, CAS 35365-59-4
9-Octadecyne
CAS 35365-59-4C18H34
1,1'-Bicyclohexyl, 4-butyl-4'-ethyl- chemical structure, C18H34, CAS 96624-42-9
1,1'-Bicyclohexyl, 4-butyl-4'-ethyl-
CAS 96624-42-9C18H34
1,1-Dicyclohexylhexane chemical structure, C18H34, CAS 55030-20-1
1,1-Dicyclohexylhexane
CAS 55030-20-1C18H34
Hexane, 1,6-dicyclohexyl- chemical structure, C18H34, CAS 1610-23-7
Hexane, 1,6-dicyclohexyl-
CAS 1610-23-7C18H34
1,1'-Bicyclohexyl, 4,4'-dipropyl- chemical structure, C18H34, CAS 86503-59-5
1,1'-Bicyclohexyl, 4,4'-dipropyl-
CAS 86503-59-5C18H34
Cyclohexane, 1,1'-(2-propyl-1,3-propanediyl)bis- chemical structure, C18H34, CAS 55030-21-2
Cyclohexane, 1,1'-(2-propyl-1,3-propanediyl)bis-
CAS 55030-21-2C18H34
Octadeca-1,3-diene chemical structure, C18H34, CAS 28929-03-5
Octadeca-1,3-diene
CAS 28929-03-5C18H34
2-Octadecyne chemical structure, C18H34, CAS 61847-97-0
2-Octadecyne
CAS 61847-97-0C18H34
Octadeca-7,9-diene chemical structure, C18H34, CAS 63025-00-3
Octadeca-7,9-diene
CAS 63025-00-3C18H34
3-Octadecyne chemical structure, C18H34, CAS 61886-64-4
3-Octadecyne
CAS 61886-64-4C18H34
Octadecadiene-1,17 chemical structure, C18H34, CAS 13560-93-5
Octadecadiene-1,17
CAS 13560-93-5C18H34
Octadeca-1,11-diene chemical structure, C18H34, CAS 65734-26-1
Octadeca-1,11-diene
CAS 65734-26-1C18H34
4-Dodecyl-1-cyclohexene chemical structure, C18H34, CAS 882505-19-3
4-Dodecyl-1-cyclohexene
CAS 882505-19-3C18H34
1-Tridecylcyclopentene chemical structure, C18H34, CAS 62184-78-5
1-Tridecylcyclopentene
CAS 62184-78-5C18H34
1,4-Dipentylbicyclo[2.2.2]octane chemical structure, C18H34, CAS 95049-67-5
1,4-Dipentylbicyclo[2.2.2]octane
CAS 95049-67-5C18H34
1,1'-(2,3-Dimethylbutane-2,3-diyl)dicyclohexane chemical structure, C18H34, CAS 5171-88-0
1,1'-(2,3-Dimethylbutane-2,3-diyl)dicyclohexane
CAS 5171-88-0C18H34
1,1-Bis(ethylcyclohexyl)ethane chemical structure, C18H34, CAS 98803-07-7
1,1-Bis(ethylcyclohexyl)ethane
CAS 98803-07-7C18H34
1,1'-(2-Methylpropane-1,2-diyl)bis(4-methylcyclohexane) chemical structure, C18H34, CAS 110186-07-7
1,1'-(2-Methylpropane-1,2-diyl)bis(4-methylcyclohexane)
CAS 110186-07-7C18H34

Frequently asked questions

What is the molar mass of C18H34?

The molar mass of C18H34 is 250.47 g/mol, calculated from standard atomic weights for 18 carbon atoms and 34 hydrogen atoms. The monoisotopic mass is 250.2661 Da.

How many compounds have the formula C18H34?

CompoundList lists 29 compounds with the molecular formula C18H34, including 1-Octadecyne, Cyclohexane, 1,1'-(1,1,3-trimethyl-1,3-propanediyl)bis-, 9,12-Octadecadiene, (E,E)-. 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 C18H34?

C18H34 has a degree of unsaturation of 2. 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.