Molecular formula

C₉H₁₈O₃Si

26 compounds have this formula on CompoundList.

Molar mass: 202.33g/mol
Monoisotopic mass: 202.1025Da
Atoms: 31
Elements: 4
Rings plus double bonds: 2

The formula C9H18O3Si describes a molecule made of 9 carbon atoms, 18 hydrogen atoms, 3 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 × 953.43%
12.011 × 9 = 108.099 g/mol
H Hydrogen × 188.97%
1.008 × 18 = 18.144 g/mol
O Oxygen × 323.72%
15.999 × 3 = 47.997 g/mol
Si Silicon × 113.88%
28.085 × 1 = 28.085 g/mol

Look up another formula

Compounds with the formula C9H18O3Si

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

Showing 1 to 26 of 26 compounds

2-((Trimethylsilyl)oxy)ethyl methacrylate

CAS 17407-09-9C₉H₁₈O₃Si

3-(Methoxydimethylsilyl)propyl Acrylate

CAS 111918-90-2C₉H₁₈O₃Si

(Methacryloxymethyl)dimethylethoxysilane

CAS 5577-70-8C₉H₁₈O₃Si

1,3-Dimethoxy-1-trimethylsiloxy-1,3-butadiene, (1E)-

CAS 90857-62-8C₉H₁₈O₃Si

1,1-Dimethoxy-3-(trimethylsiloxy)-1,3-butadiene

CAS 61539-61-5C₉H₁₈O₃Si

Ethyl 3-[(trimethylsilyl)oxy]but-2-enoate

CAS 13257-83-5C₉H₁₈O₃Si

4,4-Dimethyl-3-[(trimethylsilyl)oxy]dihydro-2(3H)-furanone

CAS 56051-80-0C₉H₁₈O₃Si

2-(Trimethylsilyl)ethyl Acetoacetate

CAS 17165-45-6C₉H₁₈O₃Si

Trimethylsilyl 5-oxohexanoate

CAS 55517-32-3C₉H₁₈O₃Si

3-Methacryloxypropyldimethylsilanol

CAS 119052-13-0C₉H₁₈O₃Si

Ethyl (2Z)-3-[(trimethylsilyl)oxy]but-2-enoate

CAS 33606-83-6C₉H₁₈O₃Si

Methyl 2-methyl-3-[(trimethylsilyl)oxy]cyclopropane-1-carboxylate

CAS 82884-40-0C₉H₁₈O₃Si

2-Methyl-2-[1-[(trimethylsilyl)oxy]ethenyl]-1,3-dioxolane

CAS 154913-25-4C₉H₁₈O₃Si

3-Cyclohexenyltrimethoxysilane

CAS 21619-76-1C₉H₁₈O₃Si

Ethyl 2-{[(trimethylsilyl)oxy]methyl}prop-2-enoate

CAS 107749-66-6C₉H₁₈O₃Si

4-(Trimethylsilyloxy)tetrahydro-2H-pyran-4-carbaldehyde

CAS 1226507-99-8C₉H₁₈O₃Si

2-Butenoic acid, 3-methyl-2-[(trimethylsilyl)oxy]-, methyl ester

CAS 108637-71-4C₉H₁₈O₃Si

Methyl 2-oxo-2-(triethylsilyl)acetate

CAS 857297-31-5C₉H₁₈O₃Si

2-Butenoic acid, 3-[(trimethylsilyl)oxy]-, ethyl ester

C₉H₁₈O₃Si

(Z)-((1,3-Dimethoxybuta-1,3-dien-1-yl)oxy)trimethylsilane

CAS 106875-55-2C₉H₁₈O₃Si

3-{1-[(Trimethylsilyl)oxy]ethyl}oxolan-2-one

CAS 89588-46-5C₉H₁₈O₃Si

4-Ethoxy-4-[(trimethylsilyl)oxy]but-3-en-2-one

CAS 90985-89-0C₉H₁₈O₃Si

Methyl 3-methoxy-4-(trimethylsilyl)but-2-enoate

CAS 93766-68-8C₉H₁₈O₃Si

Methyl 4-[(trimethylsilyl)oxy]pent-3-enoate

CAS 118718-46-0C₉H₁₈O₃Si

Frequently asked questions

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What is the molar mass of C9H18O3Si?

The molar mass of C9H18O3Si is 202.33 g/mol, calculated from standard atomic weights for 9 carbon atoms, 18 hydrogen atoms, 3 oxygen atoms and 1 silicon atom. The monoisotopic mass is 202.1025 Da.

How many compounds have the formula C9H18O3Si?

CompoundList lists 26 compounds with the molecular formula C9H18O3Si, including 2-((Trimethylsilyl)oxy)ethyl methacrylate, 3-(Methoxydimethylsilyl)propyl Acrylate, (Methacryloxymethyl)dimethylethoxysilane. 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 C9H18O3Si?

C9H18O3Si has a degree of unsaturation of 2. 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.