CompoundList
Molecular formula

C18H45Si4

1 compound has this formula on CompoundList.

Molar mass
373.90g/mol
Monoisotopic mass
373.2598Da
Atoms
67
Elements
3

The formula C18H45Si4 describes a molecule made of 18 carbon atoms, 45 hydrogen atoms and 4 silicon 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 × 1857.82%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 4512.13%
    1.008 × 45 = 45.360 g/mol
  • Si Silicon × 430.05%
    28.085 × 4 = 112.340 g/mol
Look up another formula

Compounds with the formula C18H45Si4

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

Showing 1 to 1 of 1 compounds

Frequently asked questions

What is the molar mass of C18H45Si4?

The molar mass of C18H45Si4 is 373.90 g/mol, calculated from standard atomic weights for 18 carbon atoms, 45 hydrogen atoms and 4 silicon atoms. The monoisotopic mass is 373.2598 Da.

How many compounds have the formula C18H45Si4?

CompoundList lists 1 compound with the molecular formula C18H45Si4, including Tris(triethylsilyl)silane. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.