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Dye intermediates

Cyclopentanol

Also known as Cyclopentyl alcohol, Hydroxycyclopentane, 1-cyclopentanol

CAS 96-41-3Formula C5H10OMolar mass 86.13 g/molEC 202-504-8
GHS signal word: Warning. Pictograms: Flammable 16 suppliers listed
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Cyclopentanol chemical structure, C5H10O, CAS 96-41-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless, viscous liquid
Melting point
-19 °C
Boiling point
140.4 °C
Density
0.9478 @ 20 °C/4 °C
Flash point
51 °C
HS code
290619
Category
Dye intermediates
UN number
UN 2244
Illustrative photo, clear liquid in a volumetric flask on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Cyclopentanol?

Plain description, key identifiers and synonyms

Cyclopentanol is the simplest member of the class of cyclopentanols bearing a single hydroxy substituent. The parent of the class of cyclopentanols.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cyclopentanol
CAS number
96-41-3 CAS number cross-checkedOther or deprecated CAS: 25088-23-7
EC number
202-504-8
Molecular formula
C5H10O
UNII
1L43Q07TBU
MDL number
MFCD00001363
InChIKey
XCIXKGXIYUWCLL-UHFFFAOYSA-N
InChI
InChI=1S/C5H10O/c6-5-3-1-2-4-5/h5-6H,1-4H2
SMILES (canonical and isomeric)
C1CCC(C1)O

Synonyms

  • Cyclopentyl alcohol
  • Hydroxycyclopentane
  • 1-cyclopentanol
  • cydopentanol
  • YEG
  • 1-cyclopentyl alcohol
  • Cyclopentanol, 99%
  • Cyclopentanol, analytical standard
  • UN 2244
  • Cyclopentanol [UN2244] [Flammable liquid]
  • Cyclopentanol Solution in Methanol, 100ug/mL
  • MFW

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, viscous liquidexp.
Odour
Odor of amyl alcohol, somewhat like peppermintexp.
Melting point
-19 °Cexp.
Boiling point
140.4 °Cexp.
Density
0.9478 @ 20 °C/4 °Cexp.
Flash point
51 °Cexp.
Solubility
SOL IN ALCOHOL, ETHER, ACETONE, SLIGHTLY SOL IN WATERexp.
Vapour pressure
1892 mm Hg @ 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
86.13 g/molcalc.
Exact mass
86.0732 Dacalc.
LogP (octanol/water)
0.92calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
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, 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
200NFPA 704 rating

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.
UN number
UN 2244
Transport hazard class
3
Packing group
III

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

Cyclopentanol suppliers

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

All 16 suppliers
16 of 16 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

16 suppliers in 5 countries

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Cyclopentanol price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Perfume and pharmaceutical solvent, intermediate for dyes, pharmaceuticals, and other organics.

In the preparation of quingestanol acetate.

Functional uses

  • Flavouring and nutrient

How it is made

By reduction of cyclopentanone with lialh4 in ether @ room temp.

By modified meerwein-pondorf-verley reduction of cyclopentanone in presence of aluminum isopropoxide & sodium hydroxide. By catalytic hydrogenation of pure cyclopentanone with copper chromite @ 150 °c & 150 atm.

By catalytic hydrogenation of cyclopentanone with platinum oxide & platinum black @ 2-3 atm: noller, adams, j am chem soc 48, 1084 (1926), by hydration of cyclopentene in aq h2so4: hepp, us patent 2,414,646 (1947 to phillips petr)...

Regulatory status

Inventories, regulations and trade controls that list this substance

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 Cyclopentanol is traded under.

HS 2906.19Indicative HS code

Cyclanic, cyclenic or cycloterpenic, other

World exports in 2024
$613M
+18.7% vs 2023, imports $606M
2019 to 2024
Top exporters
  1. China34.2%
  2. India * partner reported10.1%
  3. Germany9.5%
Top importers
  1. United States19.8%
  2. Germany9.0%
  3. India * partner reported8.4%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Cyclopentanol?

Cyclopentanol is the simplest member of the class of cyclopentanols bearing a single hydroxy substituent. The parent of the class of cyclopentanols.

What is the CAS number of Cyclopentanol?

The CAS registry number of Cyclopentanol is 96-41-3. Other or deprecated CAS numbers: 25088-23-7.

What is the molecular formula and weight of Cyclopentanol?

The molecular formula of Cyclopentanol is C5H10O and its molar mass is 86.13 g/mol.

What is Cyclopentanol used for?

Perfume and pharmaceutical solvent, intermediate for dyes, pharmaceuticals, and other organics. In the preparation of quingestanol acetate.

Is Cyclopentanol hazardous?

Cyclopentanol 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 Cyclopentanol?

Cyclopentanol is usually classified under HS code 290619 (Cyclanic, cyclenic or cycloterpenic, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cyclopentanol?

CompoundList lists 16 suppliers of Cyclopentanol in China, India, Canada, Israel and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cyclopentanol in India?

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

What is the price of Cyclopentanol?

Suppliers quote Cyclopentanol 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 Cyclopentanol

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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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