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Molecular formula

C18H24Si

11 compounds have this formula on CompoundList.

Molar mass
268.47g/mol
Monoisotopic mass
268.1647Da
Atoms
43
Elements
3
Rings plus double bonds
8

The formula C18H24Si describes a molecule made of 18 carbon atoms, 24 hydrogen atoms and 1 silicon atom. 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 × 1880.53%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 249.01%
    1.008 × 24 = 24.192 g/mol
  • Si Silicon × 110.46%
    28.085 × 1 = 28.085 g/mol
Look up another formula

Compounds with the formula C18H24Si

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

Showing 1 to 11 of 11 compounds

Bis(3-phenylpropyl)silane chemical structure, C18H24Si, CAS 18057-70-0
Bis(3-phenylpropyl)silane
CAS 18057-70-0C18H24Si
Bis(3,5-dimethylphenyl)dimethylsilane chemical structure, C18H24Si, CAS 1171890-33-7
Bis(3,5-dimethylphenyl)dimethylsilane
CAS 1171890-33-7C18H24Si
2-(Triethylsilyl)-1,1'-biphenyl chemical structure, C18H24Si, CAS 195525-80-5
2-(Triethylsilyl)-1,1'-biphenyl
CAS 195525-80-5C18H24Si
Bis(3,4-dimethylphenyl)dimethylsilane chemical structure, C18H24Si, CAS 18057-66-4
Bis(3,4-dimethylphenyl)dimethylsilane
CAS 18057-66-4C18H24Si
Dimethyl(phenyl)(4-phenylbutan-2-yl)silane chemical structure, C18H24Si, CAS 89881-68-5
Dimethyl(phenyl)(4-phenylbutan-2-yl)silane
CAS 89881-68-5C18H24Si
Silane, [(2-ethynylphenyl)ethynyl]dimethyl(1,1,2-trimethylpropyl)- chemical structure, C18H24Si, CAS 144192-95-0
Silane, [(2-ethynylphenyl)ethynyl]dimethyl(1,1,2-trimethylpropyl)-
CAS 144192-95-0C18H24Si
4-(Triethylsilyl)-1,1'-biphenyl chemical structure, C18H24Si, CAS 18057-71-1
4-(Triethylsilyl)-1,1'-biphenyl
CAS 18057-71-1C18H24Si
3-(Triethylsilyl)-1,1'-biphenyl chemical structure, C18H24Si, CAS 51533-95-0
3-(Triethylsilyl)-1,1'-biphenyl
CAS 51533-95-0C18H24Si
Diisopropyldiphenylsilane chemical structure, C18H24Si, CAS 75544-10-4
Diisopropyldiphenylsilane
CAS 75544-10-4C18H24Si
Bis(2,3-dimethylphenyl)dimethylsilane chemical structure, C18H24Si, CAS 42297-19-8
Bis(2,3-dimethylphenyl)dimethylsilane
CAS 42297-19-8C18H24Si
(2-(2,5-Dimethylbenzyl)phenyl)trimethylsilane chemical structure, C18H24Si, CAS 1514862-77-1
(2-(2,5-Dimethylbenzyl)phenyl)trimethylsilane
CAS 1514862-77-1C18H24Si

Frequently asked questions

What is the molar mass of C18H24Si?

The molar mass of C18H24Si is 268.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 24 hydrogen atoms and 1 silicon atom. The monoisotopic mass is 268.1647 Da.

How many compounds have the formula C18H24Si?

CompoundList lists 11 compounds with the molecular formula C18H24Si, including Bis(3-phenylpropyl)silane, Bis(3,5-dimethylphenyl)dimethylsilane, 2-(Triethylsilyl)-1,1'-biphenyl. 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 C18H24Si?

C18H24Si has a degree of unsaturation of 8. 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.