CompoundList
Molecular formula

O3S

1 compound has this formula on CompoundList.

Molar mass
80.06g/mol
Monoisotopic mass
79.9568Da
Atoms
4
Elements
2

The formula O3S describes a molecule made of 3 oxygen atoms and 1 sulfur 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

  • O Oxygen × 359.95%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 140.05%
    32.06 × 1 = 32.060 g/mol
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Compounds with the formula O3S

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

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Frequently asked questions

What is the molar mass of O3S?

The molar mass of O3S is 80.06 g/mol, calculated from standard atomic weights for 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 79.9568 Da.

How many compounds have the formula O3S?

CompoundList lists 1 compound with the molecular formula O3S, including Sulfur trioxide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.