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Acid and mordant dyes

Cyclohexane

Also known as Hexamethylene, Hexahydrobenzene, Hexanaphthene

CAS 110-82-7Formula C6H12Molar mass 84.16 g/molEC 203-806-2
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant, Serious health hazard, Hazardous to the environment 358 suppliers listed
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Cyclohexane chemical structure, C6H12, CAS 110-82-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless mobile liquid
Melting point
6.5 °C
Boiling point
80.7 °C
Density
Relative density (water = 1): 0.8
Flash point
-18 °C
HS code
290211
Category
Acid and mordant dyes
UN number
UN 1145
Illustrative photo, clear colourless liquid in a glass reagent bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Cyclohexane?

Plain description, key identifiers and synonyms

Cyclohexane is an alicyclic hydrocarbon comprising a ring of six carbon atoms, the cyclic form of hexane, used as a raw material in the manufacture of nylon. It has a role as a non-polar solvent. It is a volatile organic compound and a cycloalkane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cyclohexane
CAS number
110-82-7 CAS number cross-checkedOther or deprecated CAS: 12217-02-6
EC numbers
203-806-2, 601-849-5
Molecular formula
C6H12
UNII
48K5MKG32S
MDL number
MFCD00003814
INCI name
CYCLOHEXANE
InChIKey
XDTMQSROBMDMFD-UHFFFAOYSA-N
InChI
InChI=1S/C6H12/c1-2-4-6-5-3-1/h1-6H2
SMILES (canonical and isomeric)
C1CCCCC1

Synonyms

  • Hexamethylene
  • Hexahydrobenzene
  • Hexanaphthene
  • Cyclohexan
  • Cykloheksan
  • Benzene, hexahydro-
  • Cicloesano
  • Cyclohexaan
  • Benzenehexahydride
  • RCRA waste number U056
  • Benzene hexahydride
  • hexahydro-Benzene
  • cyclo-hexane
  • Acid red 300
  • Cyclohexane, HPLC Grade
  • Ciclohexano
  • Cyclohexane, ACS reagent, >=99%
  • Cyclohexane, for HPLC, >=99.7%
  • RCRA waste no. U056
  • cylcohexane
  • cylohexane
  • Zyklohexan
  • Cyclohexane HPLC grade
  • Cyclohexane, for HPLC
  • Cyclohexane, ACS Grade
Show all 29 synonyms
  • Cyclohexane- d12
  • ghl.PD_Mitscher_leg0.242
  • Cyclohexane, LR, >=99%
  • Cyclohexane, JIS special grade

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless mobile liquidexp.
Odour
Solvent odor, pungent when impureexp.
Melting point
6.5 °Cexp.
Boiling point
80.7 °Cexp.
Density
Relative density (water = 1): 0.8exp.
Flash point
-18 °Cexp.
Autoignition temperature
245 °Cexp.
Solubility
In water, 55 mg/L at 25 °Cexp.
Vapour pressure
13.0 kPa at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
84.16 g/molcalc.
Exact mass
84.0939 Dacalc.
LogP (octanol/water)
2.34calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCCCC1

C1CCCCC1

1 ring, 6 atoms. This chemical is the scaffold itself.

24,737 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment
310NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H304May be fatal if swallowed and enters airways.
  • H315Causes skin irritation.
  • H336May cause drowsiness or dizziness.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (26)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P331Do not induce vomiting.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1145
Transport hazard class
3
Packing group
II

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Cyclohexane suppliers

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All 358 suppliers
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Where suppliers are based

358 suppliers in 42 countries

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Cyclohexane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Organic solvent for lacquers and resins. Paint and varnish remover. In the extraction of essential oils. In analytical chemistry for molecular weight determinations (cryoscopic constant 20.3). In the manufacturing of adipic acid, benzene, cyclohexyl chloride, nitrocyclohexane, cyclohexanol and cyclohexanone. In the manufacturing of solid fuel for camp stoves. In fungicidal formulations (possesses slight fungicidal action). In the industrial recrystallization of steroids.

Manufacture of nylon, solvent for cellulose ethers, fats, oils, waxes, bitumens, resins, crude rubber, extraction essential oils, organic synthesis, paint and varnish removers, glass substitutes.

Over 98% of the cyclohexane produced is used to make nylon intermediates: adipic acid (60%), caprolactam, and hexamethylenediamine 75% of the caprolactam produced worldwide is used for nylon 6 manufacture.

Read more

Minor miscellaneous uses, such as solvents and polymer reaction diluents, consume the remainder of the cyclohexane produced.

Industrial uses: Solvent, Processing aids not otherwise specified, Fuel, Fuel agents, Catalyst, Drier, Intermediate.

Consumer uses: Fuel agents, Fuel, Solvent, Intermediate, Laboratory chemicals.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name CYCLOHEXANE(solvent)

Roles

  • non-polar solvent
  • solvent

Functional uses

  • Cleaning agent
  • Defoamer
  • Fragrance
  • Solvent

Cosmetic functions

  • Solvent

How it is made

Benzene can be hydrogenated catalytically to cyclohexane in either the liquid or the vapor phase in the presence of hydrogen. Several cyclohexane processes, which use nickel, platinum, or palladium as the catalyst, have been developed. Usually, the catalyst is supported, e.g., on alumina, but at least one commercial process utilizes Raney nickel.

Occurs in petroleum (0.5-1.0%). Obtained in the distillation of petroleum ...

Read more

In distillation of petroleum the C4-400 °F boiling range naphthas are fractionated to obtain C5-200 °F naphtha containing 10-14% cyclohexane which on superfractionation yields an 85% concentrate (which is sold as such), further purification (of 85% concentrate cyclohexane) necessitates isomerization of pentanes to cyclohexane, heat cracking for removing open chain hydrocarbons and sulfuric acid treatment to remove aromatic compounds.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 601-017-00-1

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cyclohexane is traded under.

HS 2902.11Exact HS code

Cyclic hydrocarbons: cyclohexane

World exports in 2024
$897M
+17.1% vs 2023, imports $622M
2019 to 2024
Top exporters
  1. Saudi Arabia29.6%
  2. United States15.5%
  3. Netherlands14.6%
Top importers
  1. Belgium58.6%
  2. France * partner reported18.7%
  3. Spain3.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cyclohexane is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cyclohexane, based on the data on this page

What is Cyclohexane?

Cyclohexane is an alicyclic hydrocarbon comprising a ring of six carbon atoms, the cyclic form of hexane, used as a raw material in the manufacture of nylon. It has a role as a non-polar solvent. It is a volatile organic compound and a cycloalkane.

What is the CAS number of Cyclohexane?

The CAS registry number of Cyclohexane is 110-82-7. Other or deprecated CAS numbers: 12217-02-6.

What is the molecular formula and weight of Cyclohexane?

The molecular formula of Cyclohexane is C6H12 and its molar mass is 84.16 g/mol.

What is Cyclohexane used for?

Organic solvent for lacquers and resins. Paint and varnish remover. In the extraction of essential oils. In analytical chemistry for molecular weight determinations (cryoscopic constant 20.3). In the manufacturing of adipic acid, benzene, cyclohexyl chloride, nitrocyclohexane, cyclohexanol and cyclohexanone.

Is Cyclohexane hazardous?

Cyclohexane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, may be fatal if swallowed and enters airways, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclohexane?

Cyclohexane is usually classified under HS code 290211 (Cyclohexane). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cyclohexane?

CompoundList lists 358 suppliers of Cyclohexane in United States, India, China, United Kingdom and 38 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cyclohexane in India?

78 suppliers in India list Cyclohexane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Cyclohexane?

Suppliers quote Cyclohexane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cyclohexane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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