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Paraffins, waxes and cycloalkanes

Pentylcyclopentane

Also known as n-Pentylcyclopentane, Cyclopentane, pentyl-, Pentane, 1-cyclopentyl-

CAS 3741-00-2Formula C10H20Molar mass 140.27 g/molEC 223-129-6
GHS signal word: Warning. Pictograms: Flammable
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Pentylcyclopentane chemical structure, C10H20, CAS 3741-00-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3741-00-2
Formula
C10H20
Molar mass
140.27 g/mol
Physical form
Liquid
HS code
290219
Category
Paraffins, waxes and cycloalkanes
Illustrative photo, closed amber glass reagent bottles on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Pentylcyclopentane?

Plain description, key identifiers and synonyms

Pentylcyclopentane is a chemical substance with the molecular formula C10H20 and a molar mass of 140.27 g/mol. Its CAS registry number is 3741-00-2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentylcyclopentane
CAS number
3741-00-2 CAS number cross-checked
EC number
223-129-6
Molecular formula
C10H20
MDL number
MFCD00039451
InChIKey
HPQURZRDYMUHJI-UHFFFAOYSA-N
InChI
InChI=1S/C10H20/c1-2-3-4-7-10-8-5-6-9-10/h10H,2-9H2,1H3
SMILES (canonical and isomeric)
CCCCCC1CCCC1

Synonyms

  • n-Pentylcyclopentane
  • Cyclopentane, pentyl-
  • Pentane, 1-cyclopentyl-
  • Cyclopentane, n-pentyl-
  • n-amylcyclopentane
  • Hpqurzrdymuhji-uhfffaoysa-

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

Physical form
Liquidexp.

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
140.27 g/molcalc.
Exact mass
140.1565 Dacalc.
LogP (octanol/water)
3.76calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
4calc.
Heavy atoms
10calc.
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, C1CCCC1

C1CCCC1

1 ring, 5 atoms, the Cyclopentane ring system.

10,985 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable

Hazard statements

  • H226Flammable liquid and vapour.
Precautionary statements (11)
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P501Dispose of contents and container in accordance with local regulations.

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

Pentylcyclopentane suppliers

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Pentylcyclopentane 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Pentylcyclopentane 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 Pentylcyclopentane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Pentylcyclopentane?

Pentylcyclopentane is a chemical substance with the molecular formula C10H20 and a molar mass of 140.27 g/mol. Its CAS registry number is 3741-00-2.

What is the CAS number of Pentylcyclopentane?

The CAS registry number of Pentylcyclopentane is 3741-00-2.

What is the molecular formula and weight of Pentylcyclopentane?

The molecular formula of Pentylcyclopentane is C10H20 and its molar mass is 140.27 g/mol.

Is Pentylcyclopentane hazardous?

Pentylcyclopentane carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pentylcyclopentane?

Pentylcyclopentane 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 Pentylcyclopentane?

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What is the price of Pentylcyclopentane?

Suppliers quote Pentylcyclopentane 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 Pentylcyclopentane

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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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