CompoundList
Molecular formula

C40H30Si

2 compounds have this formula on CompoundList.

Molar mass
538.76g/mol
Monoisotopic mass
538.2117Da
Atoms
71
Elements
3
Rings plus double bonds
27

The formula C40H30Si describes a molecule made of 40 carbon atoms, 30 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 × 4089.17%
    12.011 × 40 = 480.440 g/mol
  • H Hydrogen × 305.61%
    1.008 × 30 = 30.240 g/mol
  • Si Silicon × 15.21%
    28.085 × 1 = 28.085 g/mol
Look up another formula

Compounds with the formula C40H30Si

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

Showing 1 to 2 of 2 compounds

Frequently asked questions

What is the molar mass of C40H30Si?

The molar mass of C40H30Si is 538.76 g/mol, calculated from standard atomic weights for 40 carbon atoms, 30 hydrogen atoms and 1 silicon atom. The monoisotopic mass is 538.2117 Da.

How many compounds have the formula C40H30Si?

CompoundList lists 2 compounds with the molecular formula C40H30Si, including 1,1,2,3,4,5-Hexaphenyl-1H-silole, 2-([1,1'-Biphenyl]-2-yl)-1,1,3,4-tetraphenyl-1H-silole. 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 C40H30Si?

C40H30Si has a degree of unsaturation of 27. 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.