C9H18
163 compounds have this formula on CompoundList.
- Molar mass
- 126.24g/mol
- Monoisotopic mass
- 126.1409Da
- Atoms
- 27
- Elements
- 2
- Rings plus double bonds
- 1
The formula C9H18 describes a molecule made of 9 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 × 985.63%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 1814.37%1.008 × 18 = 18.144 g/mol
Compounds with the formula C9H18
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 163 compounds
- 1-Heptene, 2,6-dimethyl-3074-78-0C9H18
- Non-3-ene20063-77-8C9H18
- 1Alpha,2beta,4-beta-trimethylcyclohexane7667-60-9C9H18
- 2,6-Dimethyl-3-heptene2738-18-3C9H18
- (E)-2,2-Dimethylhept-3-ene19550-75-5C9H18
- 1,1,4-Trimethylcyclohexane7094-27-1C9H18
- 1-Hexene, 3,5,5-trimethyl-4316-65-8C9H18
- 2,2,4-Trimethyl-3-hexene59643-72-0C9H18
- 3,5-Dimethyl-3-heptene59643-68-4C9H18
- rac-(1R,2R)-1,2-Diethylcyclopentane932-40-1C9H18
- Cyclononane293-55-0C9H18
- 2,4,4-Trimethyl-1-hexene51174-12-0C9H18
- (1S,2S,4S)-1,2,4-TrimethylcyclohexaneC9H18
- cis,trans,cis-1,2,4-Trimethylcyclohexane7667-59-6C9H18
- 3,5-Dimethyl-3-heptene (cis-and trans-mixture)19549-93-0C9H18
- Cyclooctane, methyl-1502-38-1C9H18
- 1 suppliers4,6-Dimethylhept-1-ene7379-69-3C9H18
- 1-Methyl-2-pentylcyclopropane41977-37-1C9H18
- 2,5,5-Trimethyl-1-hexene62185-56-2C9H18
- 1 suppliers4-Nonene, (4E)-10405-85-3C9H18
- cis,trans,cis-1,2,3-Trimethylcyclohexane1839-88-9C9H18
- Hexyl-cyclopropane4468-61-5C9H18
- Hexamethylcyclopropane2570-81-2C9H18
- 2-Methyl-2-octene16993-86-5C9H18
- 1,2,3,4-Tetramethylcyclopentane2532-67-4C9H18
- Ethylcycloheptane13151-55-8C9H18
- 1-Methyl-2-propyl-cyclopentane3728-57-2C9H18
- 2,6-Dimethyl-2-heptene5557-98-2C9H18
- 1,1,3,3-Tetramethylcyclopentane50876-33-0C9H18
- 2-Heptene, 2,3-dimethyl-3074-64-4C9H18
- 1-Octene, 6-methyl-13151-10-5C9H18
- Cyclohexane, 1-ethyl-2-methyl-, cis-4923-77-7C9H18
- 2-Cyclopropylhexane6976-28-9C9H18
- 4-Methyl-1-octene13151-12-7C9H18
- Cyclopentane, (1-methylpropyl)-4850-32-2C9H18
- 1-Methyl-3-(1-methylethyl)cyclopentane53771-88-3C9H18
- 2-Propyl-1-hexene62187-09-1C9H18
- 3,3-Dimethyl-1-heptene19549-89-4C9H18
- 3-Methylideneoctane54393-35-0C9H18
- 2-Ethyl-1,1-dimethylcyclopentane54549-80-3C9H18
- 7-Methyl-1-octene13151-06-9C9H18
- tert-Butylcyclopentane3875-52-3C9H18
- 2-Octene, 3-methyl-113426-22-5C9H18
- 3-Ethyl-3-heptene74764-46-8C9H18
- 7-Methyl-3-octene86668-33-9C9H18
- trans-1-Methyl-2-propylcyclopentane932-44-5C9H18
- 1,1-Diethylcyclopentane2721-38-2C9H18
- 1,3-Diethylcyclopentane19398-75-5C9H18
- 4-Ethyl-3-heptene33933-74-3C9H18
- trans-2-Methyl-3-octene52937-36-7C9H18
- Cyclohexane, 1,2,4-trimethyl-, (1alpha,2alpha,4alpha)-1678-80-4C9H18
- Cyclohexane, 1-ethyl-3-methyl-, cis-19489-10-2C9H18
- Trans-1-ethyl-2-methycyclohexane4923-78-8C9H18
- 1,3-Dimethylcycloheptane13151-53-6C9H18
- 3-Ethyl-1,1-dimethylcyclopentane62016-61-9C9H18
- 2-Isopropyl-1-hexene62187-11-5C9H18
- 4,4-Dimethyl-1-heptene1647-09-2C9H18
- 2,2-Dimethylhept-3-ene1776056-04-2C9H18
- 3-Hexene, 3-ethyl-4-methyl-50787-13-8C9H18
- Cyclopentane, 1-methyl-1-propyl-16631-63-3C9H18
- 3,5,5-Trimethyl-2-hexene26456-76-8C9H18
- 1-Cis-3-methylisopropylcyclopentane61828-02-2C9H18
- 1-Methyl-2-(propan-2-yl)cyclopentane89223-57-4C9H18
- Cyclopentane, tetramethyl-67784-41-2C9H18
- 6,6-Dimethylhept-2-ene87970-30-7C9H18
- 3,3,5-Trimethyl-1-hexene13427-43-5C9H18
- 3,4,5-Trimethyl-1-hexene56728-10-0C9H18
- 2,3,3-Trimethyl-1-hexene360769-33-1C9H18
- 2,5,5-Trimethyl-2-hexene40467-04-7C9H18
- 1,1,2,3,3-Pentamethylcyclobutane57905-86-9C9H18
- 3-Heptene, 2,6-dimethyl-C9H18
- (1R,2S,4R)-1,2,4-Trimethylcyclohexane7667-58-5C9H18
- 1-cis-2-Dimethyl-cis-4-ethylcyclopentane62016-64-2C9H18
- Cyclohexane, 1-ethyl-2-methyl-, trans-C9H18
- cis-1,1,3,4-Tetramethylcyclopentane53907-60-1C9H18
- 6,6-Dimethyl-1-heptene16091-67-1C9H18
Frequently asked questions
What is the molar mass of C9H18?
The molar mass of C9H18 is 126.24 g/mol, calculated from standard atomic weights for 9 carbon atoms and 18 hydrogen atoms. The monoisotopic mass is 126.1409 Da.
How many compounds have the formula C9H18?
CompoundList lists 163 compounds with the molecular formula C9H18, including 1-Nonene, Propylcyclohexane, 1,2,4-Trimethylcyclohexane. 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 C9H18?
C9H18 has a degree of unsaturation of 1. 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.