C18H12Cl12
5 compounds have this formula on CompoundList.
- Molar mass
- 653.69g/mol
- Monoisotopic mass
- 657.7537Da
- Atoms
- 42
- Elements
- 3
- Rings plus double bonds
- 7
The formula C18H12Cl12 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms and 12 chlorine 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 × 1833.07%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 121.85%1.008 × 12 = 12.096 g/mol
- Cl Chlorine × 1265.08%35.45 × 12 = 425.400 g/mol
Compounds with the formula C18H12Cl12
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 5 of 5 compounds
![1,2,3,4,9,9-Hexachloro-6-(1,4,5,6,7,7-hexachlorobicyclo[2.2.1]hept-5-en-2-yl)-1,4,4a,5,6,7,8,8a-octahydro-1,4-methanonaphthalene chemical structure, C18H12Cl12, CAS 26595-57-3](/s/RFCMCABFBMLNQF-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C18H12Cl12?
The molar mass of C18H12Cl12 is 653.69 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms and 12 chlorine atoms. The monoisotopic mass is 657.7537 Da.
How many compounds have the formula C18H12Cl12?
CompoundList lists 5 compounds with the molecular formula C18H12Cl12, including Dechlorane plus, Dodecachloropentacyclooctadecadiene, syn-, Dodecachloropentacyclooctadecadiene, anti-. 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 C18H12Cl12?
C18H12Cl12 has a degree of unsaturation of 7. 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.