Molecular formula

C₁₂H₅Cl₅O

73 compounds have this formula on CompoundList.

Molar mass: 342.42g/mol
Monoisotopic mass: 339.8783Da
Atoms: 23
Elements: 4
Rings plus double bonds: 8

The formula C12H5Cl5O describes a molecule made of 12 carbon atoms, 5 hydrogen atoms, 5 chlorine atoms and 1 oxygen 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 × 1242.09%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 51.47%
1.008 × 5 = 5.040 g/mol
Cl Chlorine × 551.76%
35.45 × 5 = 177.250 g/mol
O Oxygen × 14.67%
15.999 × 1 = 15.999 g/mol

Look up another formula

Compounds with the formula C12H5Cl5O

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

Showing 1 to 73 of 73 compounds

2,3,3',4',5-Pentachloro-4-hydroxybiphenyl

CAS 152969-11-4C₁₂H₅Cl₅O

2,2',4,4',5-Pentachlorodiphenyl ether

CAS 60123-64-0C₁₂H₅Cl₅O

4-OH-2',3,3',4',5'-Pentachlorobiphenyl

CAS 192190-09-3C₁₂H₅Cl₅O

2',3,3',4',5-Pentachloro-4-hydroxybiphenyl

CAS 149589-55-9C₁₂H₅Cl₅O

2-Hydroxy-2',3',4',5,5'-pentachlorobiphenyl

CAS 67651-36-9C₁₂H₅Cl₅O

2,2',4',5,5'-Pentachlorobiphenyl-4-ol

CAS 59512-50-4C₁₂H₅Cl₅O

2',3,3',4',6'-Pentachloro-4-biphenylol

CAS 192190-10-6C₁₂H₅Cl₅O

4'-Hydroxy-3,4,5,3',5'-pentachlorobiphenyl

CAS 130689-92-8C₁₂H₅Cl₅O

3-Chloro-4-(2,3,5,6-tetrachlorophenyl)phenol

CAS 150304-11-3C₁₂H₅Cl₅O

2',3,3',5',6'-Pentachloro-4-biphenylol

CAS 189578-02-7C₁₂H₅Cl₅O

2,3,4,5,6-Pentachlorodiphenyl ether

CAS 22274-42-6C₁₂H₅Cl₅O

4-Hydroxy-2,2',3',4',6'-pentachlorobiphenyl

CAS 150304-10-2C₁₂H₅Cl₅O

2,2',4,4',6-Pentachlorodiphenyl ether

CAS 104294-16-8C₁₂H₅Cl₅O

2,3',4,4',5-Pentachlorodiphenyl ether

CAS 60123-65-1C₁₂H₅Cl₅O

2,2',3',4',5'-Pentachloro-4-biphenylol

CAS 150304-12-4C₁₂H₅Cl₅O

3,3',4,4',5-Pentachlorodiphenyl ether

CAS 94339-59-0C₁₂H₅Cl₅O

2,2',4,5,6'-Pentachlorodiphenyl ether

CAS 130892-67-0C₁₂H₅Cl₅O

2,3,3',4,4'-Pentachlorodiphenyl ether

CAS 85918-31-6C₁₂H₅Cl₅O

Benzene, 1,2,3-trichloro-4-(2,4-dichlorophenoxy)-

CAS 71585-37-0C₁₂H₅Cl₅O

(1,1'-Biphenyl)-4-ol, 2',3,4',5,5'-pentachloro-

CAS 149589-56-0C₁₂H₅Cl₅O

2,2',4,5,5'-Pentachlorodiphenyl ether

CAS 131138-21-1C₁₂H₅Cl₅O

(1,1'-Biphenyl)-4-ol, 2,2',4',6,6'-pentachloro-

CAS 149111-99-9C₁₂H₅Cl₅O

(1,1'-Biphenyl)-3-ol, 2,2',4,5,5'-pentachloro-

CAS 69278-58-6C₁₂H₅Cl₅O

2,3',4,4',6-Pentachlorodiphenyl ether

CAS 157683-74-4C₁₂H₅Cl₅O

Frequently asked questions

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What is the molar mass of C12H5Cl5O?

The molar mass of C12H5Cl5O is 342.42 g/mol, calculated from standard atomic weights for 12 carbon atoms, 5 hydrogen atoms, 5 chlorine atoms and 1 oxygen atom. The monoisotopic mass is 339.8783 Da.

How many compounds have the formula C12H5Cl5O?

CompoundList lists 73 compounds with the molecular formula C12H5Cl5O, including 2,3,3',4',5-Pentachloro-4-hydroxybiphenyl, 2,2',4,4',5-Pentachlorodiphenyl ether, 4-OH-2',3,3',4',5'-Pentachlorobiphenyl. 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 C12H5Cl5O?

C12H5Cl5O 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.