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Molecular formula

C11H21BO2Si

1 compound has this formula on CompoundList.

Molar mass
224.18g/mol
Monoisotopic mass
224.1404Da
Atoms
36
Elements
5

The formula C11H21BO2Si describes a molecule made of 11 carbon atoms, 21 hydrogen atoms, 1 boron atom, 2 oxygen 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 × 1158.93%
    12.011 × 11 = 132.121 g/mol
  • H Hydrogen × 219.44%
    1.008 × 21 = 21.168 g/mol
  • B Boron × 14.82%
    10.81 × 1 = 10.810 g/mol
  • O Oxygen × 214.27%
    15.999 × 2 = 31.998 g/mol
  • Si Silicon × 112.53%
    28.085 × 1 = 28.085 g/mol
Look up another formula

Compounds with the formula C11H21BO2Si

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

Showing 1 to 1 of 1 compounds

Trimethyl[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane chemical structure, C11H21BO2Si, CAS 159087-46-4
Trimethyl[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane
CAS 159087-46-4C11H21BO2Si

Frequently asked questions

What is the molar mass of C11H21BO2Si?

The molar mass of C11H21BO2Si is 224.18 g/mol, calculated from standard atomic weights for 11 carbon atoms, 21 hydrogen atoms, 1 boron atom, 2 oxygen atoms and 1 silicon atom. The monoisotopic mass is 224.1404 Da.

How many compounds have the formula C11H21BO2Si?

CompoundList lists 1 compound with the molecular formula C11H21BO2Si, including Trimethyl[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]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.