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Molecular formula

H4Si

3 compounds have this formula on CompoundList.

Molar mass
32.12g/mol
Monoisotopic mass
36.0333Da
Atoms
5
Elements
2

The formula H4Si describes a molecule made of 4 hydrogen atoms and 1 silicon atom. It is written in Hill notation: with no carbon present, every element is listed 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

  • H Hydrogen × 412.55%
    1.008 × 4 = 4.032 g/mol
  • Si Silicon × 187.45%
    28.085 × 1 = 28.085 g/mol
Look up another formula

Compounds with the formula H4Si

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

Showing 1 to 3 of 3 compounds

Silane chemical structure, H4Si, CAS 7803-62-5
Silane
CAS 7803-62-5H4Si
(2H4)Silane chemical structure, H4Si, CAS 13537-07-0
(2H4)Silane
CAS 13537-07-0H4Si
Silane-d chemical structure, H4Si, CAS 13587-51-4
Silane-d
CAS 13587-51-4H4Si

Frequently asked questions

What is the molar mass of H4Si?

The molar mass of H4Si is 32.12 g/mol, calculated from standard atomic weights for 4 hydrogen atoms and 1 silicon atom. The monoisotopic mass is 36.0333 Da.

How many compounds have the formula H4Si?

CompoundList lists 3 compounds with the molecular formula H4Si, including Silane, (2H4)Silane, Silane-d. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.