C21H46O2Si
2 compounds have this formula on CompoundList.
- Molar mass
- 358.68g/mol
- Monoisotopic mass
- 358.3267Da
- Atoms
- 70
- Elements
- 4
- Rings plus double bonds
- 0
The formula C21H46O2Si describes a molecule made of 21 carbon atoms, 46 hydrogen atoms, 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 × 2170.32%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 4612.93%1.008 × 46 = 46.368 g/mol
- O Oxygen × 28.92%15.999 × 2 = 31.998 g/mol
- Si Silicon × 17.83%28.085 × 1 = 28.085 g/mol
Compounds with the formula C21H46O2Si
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 2 of 2 compounds
![16-{[Dimethyl(propan-2-yl)silyl]oxy}hexadecan-1-ol chemical structure, C21H46O2Si, CAS 114414-99-2](/s/KFPPFDUBWHHKCH-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C21H46O2Si?
The molar mass of C21H46O2Si is 358.68 g/mol, calculated from standard atomic weights for 21 carbon atoms, 46 hydrogen atoms, 2 oxygen atoms and 1 silicon atom. The monoisotopic mass is 358.3267 Da.
How many compounds have the formula C21H46O2Si?
CompoundList lists 2 compounds with the molecular formula C21H46O2Si, including Silane, dimethoxymethyloctadecyl-, 16-{[Dimethyl(propan-2-yl)silyl]oxy}hexadecan-1-ol. 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 C21H46O2Si?
C21H46O2Si has a degree of unsaturation of 0. 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.