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Molecular formula

C8H6

14 compounds have this formula on CompoundList.

Molar mass
102.14g/mol
Monoisotopic mass
108.0846Da
Atoms
14
Elements
2
Rings plus double bonds
6

The formula C8H6 describes a molecule made of 8 carbon atoms and 6 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 × 894.08%
    12.011 × 8 = 96.088 g/mol
  • H Hydrogen × 65.92%
    1.008 × 6 = 6.048 g/mol
Look up another formula

Compounds with the formula C8H6

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

Showing 1 to 14 of 14 compounds

Phenylacetylene chemical structure, C8H6, CAS 536-74-3
Phenylacetylene
CAS 536-74-3C8H6
Pentalene chemical structure, C8H6, CAS 250-25-9
Pentalene
CAS 250-25-9C8H6
Bicyclo(4.2.0)octa-1,3,5,7-tetraene chemical structure, C8H6, CAS 4026-23-7
Bicyclo(4.2.0)octa-1,3,5,7-tetraene
CAS 4026-23-7C8H6
1-(~2~H)Ethynyl(~2~H_5_)benzene chemical structure, C8H6, CAS 25837-47-2
1-(~2~H)Ethynyl(~2~H_5_)benzene
CAS 25837-47-2C8H6
Phenylacetylene-d chemical structure, C8H6, CAS 3240-11-7
Phenylacetylene-d
CAS 3240-11-7C8H6
Phenylacetylene-2-13C chemical structure, C8H6, CAS 54522-92-8
Phenylacetylene-2-13C
CAS 54522-92-8C8H6
Ethynylbenzene-13C chemical structure, C8H6, CAS 23351-79-3
Ethynylbenzene-13C
CAS 23351-79-3C8H6
(Ethynyl-13C2)benzene chemical structure, C8H6, CAS 263012-32-4
(Ethynyl-13C2)benzene
CAS 263012-32-4C8H6
5-(2-Cyclopropen-1-ylidene)-1,3-cyclopentadiene chemical structure, C8H6, CAS 6249-23-6
5-(2-Cyclopropen-1-ylidene)-1,3-cyclopentadiene
CAS 6249-23-6C8H6
2,4,6-Octatriyne chemical structure, C8H6, CAS 1072-20-4
2,4,6-Octatriyne
CAS 1072-20-4C8H6
Phenyl-D5-acetylene chemical structure, C8H6, CAS 25837-46-1
Phenyl-D5-acetylene
CAS 25837-46-1C8H6
Cycloocta-1,3,5-trien-7-yne chemical structure, C8H6, CAS 4514-69-6
Cycloocta-1,3,5-trien-7-yne
CAS 4514-69-6C8H6
Bicyclo[4.2.0]octa-1(6),2-dien-4-yne chemical structure, C8H6, CAS 62107-90-8
Bicyclo[4.2.0]octa-1(6),2-dien-4-yne
CAS 62107-90-8C8H6
(E),(E)-Octa-3,5,7-triene-1-yne chemical structure, C8H6, CAS 53477-04-6
(E),(E)-Octa-3,5,7-triene-1-yne
CAS 53477-04-6C8H6

Frequently asked questions

What is the molar mass of C8H6?

The molar mass of C8H6 is 102.14 g/mol, calculated from standard atomic weights for 8 carbon atoms and 6 hydrogen atoms. The monoisotopic mass is 108.0846 Da.

How many compounds have the formula C8H6?

CompoundList lists 14 compounds with the molecular formula C8H6, including Phenylacetylene, Pentalene, Bicyclo(4.2.0)octa-1,3,5,7-tetraene. 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 C8H6?

C8H6 has a degree of unsaturation of 6. 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.