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Paraffins, waxes and cycloalkanes

Cycloheptane

Also known as Suberane, Heptamethylene, cycloheptan

CAS 291-64-5Formula C7H14Molar mass 98.19 g/molEC 206-030-2
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard 8 suppliers listed
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Cycloheptane chemical structure, C7H14, CAS 291-64-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-8 °C
Boiling point
118.5 °C
Density
0.8098 g/cm³ at 20 °C
Flash point
6 °C
HS code
290219
Category
Paraffins, waxes and cycloalkanes
UN number
UN 2241
Illustrative photo, clear liquid in sealed glass ampoules on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Cycloheptane?

Plain description, key identifiers and synonyms

Cycloheptane appears as a colorless oily liquid. Insoluble in water and less dense than water. Flash point 60 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. Used to make other chemicals.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cycloheptane
CAS number
291-64-5 CAS number cross-checked
EC number
206-030-2
Molecular formula
C7H14
UNII
VTZ53P34JA
MDL number
MFCD00004147
InChIKey
DMEGYFMYUHOHGS-UHFFFAOYSA-N
InChI
InChI=1S/C7H14/c1-2-4-6-7-5-3-1/h1-7H2
SMILES (canonical and isomeric)
C1CCCCCC1

Synonyms

  • Suberane
  • Heptamethylene
  • cycloheptan
  • Cycloheptane, 98%
  • Cycloheptane [UN2241] [Flammable liquid]

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 liquidexp.
Melting point
-8 °Cexp.
Boiling point
118.5 °Cexp.
Density
0.8098 g/cm³ at 20 °Cexp.
Flash point
6 °Cexp.
Solubility
In water, 30 mg/L at 25 °Cexp.
Vapour pressure
21.6 mm Hg 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
98.19 g/molcalc.
Exact mass
98.1096 Dacalc.
LogP (octanol/water)
2.73calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
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, C1CCCCCC1

C1CCCCCC1

1 ring, 7 atoms. This chemical is the scaffold itself.

1,891 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS08: Serious health hazard
Serious health hazard
300NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H304May be fatal if swallowed and enters airways.
  • H412Harmful to aquatic life with long lasting effects.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (15)
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P331Do not induce vomiting.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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 2241
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

Cycloheptane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 8 suppliers
8 of 8 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

8 suppliers in 3 countries

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Cycloheptane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Laboratory chemical for organic chem research.

Organic synthesis.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2902.19Indicative HS code

Cyclanes, cyclenes and cycloterpenes, other

World exports in 2024
$979M
+24.3% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. China23.4%
  2. United States20.6%
  3. Germany13.6%
Top importers
  1. India * partner reported9.9%
  2. United States9.8%
  3. South Korea9.5%

* Partner reported figures, a lower bound.

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

The HS code shown for Cycloheptane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cycloheptane?

Cycloheptane appears as a colorless oily liquid. Insoluble in water and less dense than water. Flash point 60 °F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. Used to make other chemicals.

What is the CAS number of Cycloheptane?

The CAS registry number of Cycloheptane is 291-64-5.

What is the molecular formula and weight of Cycloheptane?

The molecular formula of Cycloheptane is C7H14 and its molar mass is 98.19 g/mol.

What is Cycloheptane used for?

Laboratory chemical for organic chem research. Organic synthesis.

Is Cycloheptane hazardous?

Cycloheptane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, may be fatal if swallowed and enters airways, harmful to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cycloheptane?

Cycloheptane is usually classified under HS code 290219 (Cyclanes, cyclenes and cycloterpenes, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cycloheptane?

CompoundList lists 8 suppliers of Cycloheptane in India, United Arab Emirates and Oman. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cycloheptane in India?

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

What is the price of Cycloheptane?

Suppliers quote Cycloheptane 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 Cycloheptane

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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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