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Cyclohexane-d12

Properties, data and information sources.

 

Contents

Cyclohexane-d12 is the 12-fold deuterated variant of the hydrocarbon cyclohexane, in which all 12 H atoms are substituted for deuterium atoms (2H = D).

 

Names and Identifiers

Name
Cyclohexane-d12
Formula
C6D12
C62H12
Molar mass
96.235 (g/mol)
CAS registry number
1735-17-7
EC number EINECS
217-077-3
InChI Key
XDTMQSROBMDMFD-LBTWDOQPSA-N

Systematic name
1,1,2,2,3,3,4,4,5,5,6,6-Dodecadeuteriocyclohexane

Other names, synonyms
[2H12]Cyclohexane; Dodecadeuteriocyclohexane; Perdeuteriocyclohexane; Deuterated cyclohexane

 

Chemical formulas

Molecular formula and structural formula of Cyclohexane-d12:

 

C6D12 or C62H12

Mr = 96.2352 g/mol

1,1,2,2,3,3,4,4,5,5,6,6-Dodecadeuteriocyclohexane
SMILES: [2H]C1(C(C(C(C(C1([2H])[2H])([2H])[2H])([2H])[2H])([2H])[2H])([2H])[2H])[2H]

 

Data and Properties

Pure cyclohexane-d12 is a clear, colorless, sweet-smelling liquid.

melting point
6.47 °C
boiling point
80.7 °C
flash point
-18 °C
density
0.890 g cm-3 at 20 °C
refractive index
nD = 1.421
permittivity
2
(dielectric constant)

 

Spectroscopic data:

SpectraBase (NMR, IR, FTIR, Raman, UV-Vis, MS ... spectra)
8ZNYPPU3M5X

Calculated NMR spectrum (Predict Spectra via NMRDB)
1H NMR Spektrum, 13C NMR Spektrum.

 

Percentage and isotopic composition:

Mass-related elemental composition and isotope proportions of the compound Cyclohexane-d12 - C6D12 - calculated based on molecular mass.

Symbol
Element E
Number x
of atoms Ex
Data of the element
and isotopes *
Percentages
of isotopes
Percentage of
Ex in formula mass
C
Carbon
6 Ar = 12.011 u
ΣAr = 72.066 u
12C: 12 u [98,94 %]
14C: 14.00324 u [<< 1 %]
13C: 13.00335 u [1,06 %]
 
12C: 74.09148 %
14C: trace
13C: 0.79378 %
74.8853 %D
Deuterium
12 Ar = 2.01410177811 u
ΣAr = 24.16922133732 u Ar = 2.01410177811 u
ΣAr = 24.16922133732 u
 
25.1147 %

*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.

 

More calculated data

The molar mass is M = 96.23522133732 grams per mole.

The amount of substance in one kilogram of the substance is n = 10.391 mol.

The amount of substance in one gram of the substance is n = 0.01 mol.

Monoisotopic mass: 72 Da - related to 12C6.

 

Hazard warnings according to GHS

(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.

Signal word: Danger

GHS hazard statements (H phrases):


H225
Highly flammable liquid and vapour

H304
May be fatal if swallowed and enters airways

H315
Causes skin irritation

H336
May cause drowsiness or dizziness

H400
Very toxic to aquatic life

H410
Very toxic to aquatic life with long lasting effects

Labeling in the EU: See ECHA Substance Infocard 100.015.525.

 

External Sources

PubChem:ID 123129ChemSpider:ID 109744EPA CompTox Chemicals Dashboard:DTXSID80169624

 

Manufacturers and Sources of Supply

The table below lists producers and suppliers of Cyclohexane-d12 as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.

 


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Last update: 2026-01-12


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