|- id="21"
| id="22" |
|- id="34"
! id="35" |Names
|- id="37"
| id="38" |Preferred IUPAC name
<div id="41"><div id="42">Cyclohexane</div></div>
|- id="44"
| id="45" |Other names
<div id="47">Hexanaphthene (archaic)</div>
|- id="49"
! id="50" |Identifiers
|- id="52"
| id="53" |<div id="54">CAS Number</div>
| id="57" |<div id="58">
- <span title="www.commonchemistry.org">110-82-7</span><sup>&nbsp;Y</sup>
</div>
|- id="62"
| id="63" |<div id="64">3D model (JSmol)</div>
| id="67" |<div id="68">
- <span title="chemapps.stolaf.edu (3D interactive model)">Interactive image</span>
</div>
|- id="72"
| id="73" |ChEBI
| id="76" |<div id="77">
- <span title="www.ebi.ac.uk">CHEBI:29005</span><sup>&nbsp;Y</sup>
</div>
|- id="81"
| id="82" |ChEMBL
| id="85" |<div id="86">
- <span title="www.ebi.ac.uk">ChEMBL15980</span><sup>&nbsp;Y</sup>
</div>
|- id="90"
| id="91" |ChemSpider
| id="94" |<div id="95">
- <span title="www.chemspider.com">7787</span><sup>&nbsp;Y</sup>
</div>
|- id="99"
| id="100" |DrugBank
| id="103" |<div id="104">
- <span title="www.drugbank.ca">DB03561</span><sup>&nbsp;Y</sup>
</div>
|- id="108"
| id="109" |<span title="echa.europa.eu">ECHA InfoCard</span>
| id="112" |100.003.461
|- id="114"
| id="115" |KEGG
| id="118" |<div id="119">
- <span title="www.kegg.jp">C11249</span><sup>&nbsp;Y</sup>
</div>
|- id="123"
| id="124" |<div id="125">PubChem <abbr title="<nowiki&gt;Compound ID</nowiki&gt;">CID</abbr></div>
| id="128" |<div id="129">
- <span title="pubchem.ncbi.nlm.nih.gov">8078</span>
</div>
|- id="133"
| id="134" |UNII
| id="137" |<div id="138">
- <span title="fdasis.nlm.nih.gov">48K5MKG32S </span><sup>&nbsp;Y</sup>
</div>
|- id="142"
| id="143" |<div id="144">
<div id="145">InChI</div>  
- <div id="150"><div id="151">InChI=1S/C6H12/c1-2-4-6-5-3-1/h1-6H2<sup>&nbsp;Y</sup></div><div id="153">Key:&nbsp;XDTMQSROBMDMFD-UHFFFAOYSA-N<sup>&nbsp;Y</sup></div></div>
- <div id="156"><div id="157">InChI=1/C6H12/c1-2-4-6-5-3-1/h1-6H2</div><div id="159">Key:&nbsp;XDTMQSROBMDMFD-UHFFFAOYAZ</div></div>
</div>
|- id="161"
| id="162" |<div id="163">
<div id="164">SMILES</div>  
- <div id="169">C1CCCCC1</div>
</div>
|- id="171"
! id="172" |Properties
|- id="174"
| id="175" |<div id="176">Chemical formula</div>
| id="179" |<span title="Carbon">C</span><sub>6</sub><span title="Hydrogen">H</span><sub>12</sub>
|- id="181"
| id="182" |Molar mass
| id="185" |84.16&nbsp;g·mol<sup>−1</sup> &#x20;
|- id="187"
| id="188" |Appearance
| id="190" |Colorless liquid
|- id="192"
| id="193" |Odor
| id="196" |Sweet, gasoline-like
|- id="199"
| id="200" |Density
| id="203" |0.7781 g/mL, liquid
|- id="205"
| id="206" |Melting point
| id="209" |&#x20;6.47&nbsp;°C (43.65&nbsp;°F; 279.62&nbsp;K)&#x20;
|- id="211"
| id="212" |Boiling point
| id="215" |&#x20;80.74&nbsp;°C (177.33&nbsp;°F; 353.89&nbsp;K)&#x20;
|- id="217"
| id="218" |<div id="219">Solubility in water</div>
| id="222" |Immiscible
|- id="224"
| id="225" |Solubility
| id="228" |Soluble in ether, alcohol, acetone
Miscible with olive oil
|- id="234"
| id="235" |Vapor pressure
| id="238" |78 mmHg (20 °C)
|- id="240"
| id="241" |<div id="242">Magnetic susceptibility (&#x3C7;)</div>
| id="245" | -68.13·10<sup>−6</sup> cm<sup>3</sup>/mol
|- id="247"
| id="248" |<div id="249">Refractive index (*n*<sub>D</sub>)</div>
| id="252" |1.42662
|- id="254"
| id="255" |Viscosity
| id="258" |1.02 cP at 17 °C
|- id="261"
! id="262" |Thermochemistry
|- id="264"
| id="265" |<div id="266">Std enthalpy of
formation (Δ<sub>f</sub>*H*<sup>
o
</sup><sub>298</sub>)</div>
| id="269" | -156 kJ/mol
|- id="271"
| id="272" |<div id="273">Std enthalpy of
combustion (Δ<sub>c</sub>*H*<sup>
o
</sup><sub>298</sub>)</div>
| id="276" | -3920 kJ/mol
|- id="278"
! id="279" |Hazards
|- id="281"
| id="282" |Safety data sheet
| id="285" |*See: data page*
|- id="288"
| id="289" |<div id="290">EU&nbsp;classification (DSD) <small title="Per CLP Regulation, outdated per 1 June 2017. Replaced by GHS data">*(outdated)*</small></div>
| id="294" |<span> <small>**F**</small></span> <span> <small>**Xn**</small></span> <span> <small>**N**</small></span>
|- id="296"
| id="297" |R-phrases <small title="Per CLP Regulation, outdated per 1 June 2017. Replaced by GHS data">*(outdated)*</small>
| id="301" |<abbr title="R11: Highly flammable">R11</abbr>, <abbr title="R38: Irritating to skin">R38</abbr>, <abbr title="R65: Harmful: may cause lung damage if swallowed">R65</abbr>, <abbr title="R67: Vapours may cause drowsiness and dizziness">R67</abbr>, <abbr title="R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment">R50/53</abbr>
|- id="308"
| id="309" |S-phrases <small title="Per CLP Regulation, outdated per 1 June 2017. Replaced by GHS data">*(outdated)*</small>
| id="313" |<abbr title="(S2): Keep out of the reach of children">(S2)</abbr>, <abbr title="S9: Keep container in a well-ventilated place">S9</abbr>, <abbr title="S16: Keep away from sources of ignition - No smoking">S16</abbr>, <abbr title="S25: Avoid contact with eyes">S25</abbr>, <abbr title="S33: Take precautionary measures against static discharges">S33</abbr>, <abbr title="S60: This material and its container must be disposed of as hazardous waste">S60</abbr>, <abbr title="S61: Avoid release to the environment. Refer to special instructions/safety data sheet">S61</abbr>, <abbr title="S62: If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label">S62</abbr>
|- id="323"
| id="324" |NFPA 704
| id="327" |<div id="328"><div id="container"><div id="on_image_elements">
<div id="diamond_image_and_mw_ImageMap"><imagemap>
File:NFPA 704.svg|alt=NFPA 704 four-colored diamond
poly 300 0 450 150 300 300 150 150 Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasoline
poly 150 150 300 300 150 450 0 300 Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine
poly 450 150 600 300 450 450 300 300 Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen
poly 300 300 450 450 300 600 150 450 Special hazards (white): no code
desc
</imagemap>
</div><div id="332">
3</div><div id="335">
1</div><div id="338">
0</div></div></div></div>
|- id="341"
| id="342" |Flash point
| id="345" |&#x20;−20&nbsp;°C (−4&nbsp;°F; 253&nbsp;K)&#x20;
|- id="347"
| id="348" |<div id="349">Autoignition
temperature</div>
| id="352" |&#x20;245&nbsp;°C (473&nbsp;°F; 518&nbsp;K)&#x20;
|- id="354"
| id="355" |Explosive limits
| id="358" |1.3%-8%
|- id="360"
| id="361" |Lethal dose or concentration (*LD*, *LC*):
|- id="363"
| id="364" |<div id="365">*LD*<sub>50</sub> (median dose)</div>
| id="368" |12705 mg/kg (rat, oral)
813 mg/kg (mouse, oral)
|- id="370"
| id="371" |<div id="372">*LC*<sub>Lo</sub> (lowest published)</div>
| id="375" |17,142 ppm (mouse, 2 hr)
26,600 ppm (rabbit, 1 hr)
|- id="377"
| id="378" |US health exposure limits (NIOSH):
|- id="381"
| id="382" |<div id="383">PEL (Permissible)</div>
| id="386" |TWA 300 ppm (1050 mg/m<sup>3</sup>)
|- id="388"
| id="389" |<div id="390">REL (Recommended)</div>
| id="393" |TWA 300 ppm (1050 mg/m<sup>3</sup>)
|- id="395"
| id="396" |<div id="397">IDLH (Immediate danger)</div>
| id="400" |1300 ppm
|- id="402"
! id="403" |Related compounds
|- id="405"
| id="406" |<div id="407">Related cycloalkanes</div>
| id="410" |Cyclopentane
Cycloheptane
|- id="414"
| id="415" |<div id="416">Related compounds</div>
| id="418" |Cyclohexene
Benzene
|- id="422"
! id="423" |Supplementary data page
|- id="426"
| id="427" |<div id="428">Structure and
properties</div>
| id="431" |Refractive index (*n*),
Dielectric constant (ε<sub>r</sub>), etc.
|- id="435"
| id="436" |<div id="437">Thermodynamic
data</div>
| id="439" |Phase behaviour
solid&#x2013;liquid&#x2013;gas
|- id="442"