Molecular formula

C₁₆H₁₈

125 compounds have this formula on CompoundList.

Molar mass: 210.32g/mol
Monoisotopic mass: 210.1409Da
Atoms: 34
Elements: 2
Rings plus double bonds: 8

The formula C16H18 describes a molecule made of 16 carbon atoms and 18 hydrogen atoms. 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 × 1691.37%
12.011 × 16 = 192.176 g/mol
H Hydrogen × 188.63%
1.008 × 18 = 18.144 g/mol

Look up another formula

Compounds with the formula C16H18

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

Showing 101 to 125 of 125 compounds

1,9,9-Trimethyl-4,9-dihydro-1H-fluorene

CAS 59247-40-4C₁₆H₁₈

7-Phenyl-2,3,3a,4,5,7a-hexahydro-1H-2,5-methanoindene

CAS 61775-52-8C₁₆H₁₈

1-Ethyl-4-(6-methylhepta-1,6-dien-4-yn-2-yl)benzene

CAS 88702-40-3C₁₆H₁₈

2,3,5,6-Tetramethyl-1,1'-biphenyl

CAS 91363-58-5C₁₆H₁₈

2'-Ethyl-2,6-dimethyl-1,1'-biphenyl

CAS 1154423-84-3C₁₆H₁₈

3-Methyl-4'-(1-methylethyl)-1,1'-biphenyl

CAS 93313-04-3C₁₆H₁₈

1,3-Dimethyl-5-[(3-methylphenyl)methyl]benzene

CAS 16134-73-9C₁₆H₁₈

5-Ethenyl-1,4-diethylnaphthalene

CAS 88916-67-0C₁₆H₁₈

7-[4-(Propan-2-yl)phenyl]cyclohepta-1,3,5-triene

CAS 89610-93-5C₁₆H₁₈

(1E,3Z,5E,7Z,9E,11Z,13E)-1,14-Dimethylcyclotetradeca-1,3,5,7,9,11,13-heptaene

CAS 61372-50-7C₁₆H₁₈

[2-(2,3-Dimethylpenta-1,3-dien-1-ylidene)cyclopropyl]benzene

CAS 61272-00-2C₁₆H₁₈

1-(3,3-Dimethylbut-1-en-2-yl)naphthalene

CAS 74327-54-1C₁₆H₁₈

(1S,6R)-1,8-Dimethyl-7-phenylbicyclo[4.2.0]octa-3,7-diene

CAS 87923-92-0C₁₆H₁₈

(1S,6S)-1,7-Dimethyl-8-phenylbicyclo[4.2.0]octa-3,7-diene

CAS 87923-23-7C₁₆H₁₈

1,2,3,4,5,8-Hexahydro-1,4-ethanoanthracene

CAS 918947-48-5C₁₆H₁₈

[(3-tert-Butylcyclopenta-2,4-dien-1-ylidene)methyl]benzene

CAS 342802-49-7C₁₆H₁₈

4-(1-Phenylethyl)bicyclo[3.2.1]octa-2,6-diene

CAS 58519-67-8C₁₆H₁₈

6-Ethenyl-1,2,3,4-tetramethylnaphthalene

CAS 84892-62-6C₁₆H₁₈

6-Ethyl-1,2,3,4-tetrahydroanthracene

CAS 170377-84-1C₁₆H₁₈

[1-(1-Ethynylcyclopropyl)cyclopentyl]benzene

CAS 2228177-66-8C₁₆H₁₈

1,2,3-Trimethyl-4-propenylnaphthalene (cis)

CAS 26130-84-7C₁₆H₁₈

1-Methyl-4-(1-methyl-2-butenyl)naphthalene

CAS 38171-97-0C₁₆H₁₈

1-Ethynyl-4-phenylbicyclo[2.2.2]octane

CAS 96454-75-0C₁₆H₁₈

2-Ethyl-4',6-dimethyl-1,1'-biphenyl

CAS 1629570-16-6C₁₆H₁₈

(7aS)-7a-Methyl-1-phenyl-4,5,6,7-tetrahydroindene
126971-21-9C₁₆H₁₈

Frequently asked questions

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What is the molar mass of C16H18?

The molar mass of C16H18 is 210.32 g/mol, calculated from standard atomic weights for 16 carbon atoms and 18 hydrogen atoms. The monoisotopic mass is 210.1409 Da.

How many compounds have the formula C16H18?

CompoundList lists 125 compounds with the molecular formula C16H18, including 1,9,9-Trimethyl-4,9-dihydro-1H-fluorene, 7-Phenyl-2,3,3a,4,5,7a-hexahydro-1H-2,5-methanoindene, 1-Ethyl-4-(6-methylhepta-1,6-dien-4-yn-2-yl)benzene. 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 C16H18?

C16H18 has a degree of unsaturation of 8. 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.