CompoundList
Molecular formula

C18H15O2P

7 compounds have this formula on CompoundList.

Molar mass
294.29g/mol
Monoisotopic mass
294.0810Da
Atoms
36
Elements
4
Rings plus double bonds
12

The formula C18H15O2P describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 2 oxygen atoms and 1 phosphorus 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 × 1873.46%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 155.14%
    1.008 × 15 = 15.120 g/mol
  • O Oxygen × 210.87%
    15.999 × 2 = 31.998 g/mol
  • P Phosphorus × 110.52%
    30.974 × 1 = 30.974 g/mol
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Compounds with the formula C18H15O2P

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

Showing 1 to 7 of 7 compounds

Frequently asked questions

What is the molar mass of C18H15O2P?

The molar mass of C18H15O2P is 294.29 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 2 oxygen atoms and 1 phosphorus atom. The monoisotopic mass is 294.0810 Da.

How many compounds have the formula C18H15O2P?

CompoundList lists 7 compounds with the molecular formula C18H15O2P, including Phenol, 4-(diphenylphosphinyl)-, Diphenyl phenylphosphonite, Phenyl P,P-diphenylphosphinate. 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 C18H15O2P?

C18H15O2P has a degree of unsaturation of 12. 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.