C20H19O2P
12 compounds have this formula on CompoundList.
- Molar mass
- 322.34g/mol
- Monoisotopic mass
- 322.1123Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H19O2P describes a molecule made of 20 carbon atoms, 19 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 × 2074.52%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 195.94%1.008 × 19 = 19.152 g/mol
- O Oxygen × 29.93%15.999 × 2 = 31.998 g/mol
- P Phosphorus × 19.61%30.974 × 1 = 30.974 g/mol
Compounds with the formula C20H19O2P
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 12 of 12 compounds
![Phosphine oxide, [(2-methoxyphenyl)methyl]diphenyl- chemical structure, C20H19O2P, CAS 159386-46-6](/s/SYVRWGWYCOELHU-UHFFFAOYSA-N.svg)
phosphane chemical structure, C20H19O2P, CAS 62815-32-1](/s/YBHNHDNTLCHPLN-UHFFFAOYSA-N.svg)
![4-[Bis(4-methylphenyl)phosphoryl]phenol chemical structure, C20H19O2P, CAS 452310-89-3](/s/PYUUQJAPKKADFQ-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C20H19O2P?
The molar mass of C20H19O2P is 322.34 g/mol, calculated from standard atomic weights for 20 carbon atoms, 19 hydrogen atoms, 2 oxygen atoms and 1 phosphorus atom. The monoisotopic mass is 322.1123 Da.
How many compounds have the formula C20H19O2P?
CompoundList lists 12 compounds with the molecular formula C20H19O2P, including Bis(4-methoxyphenyl)phenylphosphine, Phosphine oxide, [(2-methoxyphenyl)methyl]diphenyl-, Bis(2-methoxyphenyl)phenylphosphine. 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 C20H19O2P?
C20H19O2P 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.