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HIGH PURITY ≥99%

Cyclopentanone

High-purity cyclopentanone for pharmaceutical synthesis, electronic chemicals, and rubber adhesives.

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Cyclopentanone

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Quick Reference

Quick Reference

Product NameCyclopentanone
CAS Number120-92-3
Molecular FormulaC₅H₈O
Molecular Weight84.12 g/mol
Purity≥99%
AppearanceColorless to pale yellow liquid
Density0.949 g/cm³
Boiling Point130.6 °C
Melting Point-58.2 °C
Flash Point26 °C
SolubilityMiscible with water
Shelf Life12 months in original sealed packaging

Overview

Cyclopentanone

Cyclopentanone product

Cyclopentanone is a colorless to pale yellow liquid ketone serving as a critical intermediate in pharmaceutical synthesis, electronic chemicals, and fine chemistry. It is widely used in the production of cyclopentanone-derived APIs, rubber chemicals, and as a high-purity solvent for advanced display and semiconductor processes. Its five-membered ring ketone structure offers unique reactivity for aldol condensations, reductive aminations, and heterocyclic synthesis, making it indispensable in modern pharmaceutical process chemistry.

Key Benefits

Key Benefits

High purity ≥99% for pharmaceutical and electronic grade applications

Excellent solvency for polyimides and specialty polymers

Versatile five-membered ring ketone reactivity

Stable supply from integrated cyclopentane production chain

Full documentation

COA, MSDS, batch traceability

Applications

Applications

1

Pharmaceutical Manufacturing

Key intermediate for cyclopentanone-derived APIs, including prostaglandin analogs and central nervous system drugs.

2

Electronics & Display

High-purity solvent for polyimide processing, photoresist formulations, and advanced OLED display manufacturing.

3

Rubber & Polymer Chemicals

Intermediate for rubber accelerators, antioxidants, and specialty polymer additives.

4

Fine Chemical Synthesis

Versatile building block for aldol condensations, reductive aminations, and heterocyclic ring formation.

Technical Specifications

Technical Specifications

ParameterValueUnit
AppearanceColorless to pale yellow liquid-
Molecular FormulaC₅H₈O-
Molecular Weight84.12g/mol
Purity≥99%
Density (20 °C)0.949g/cm³
Boiling Point130.6°C
Melting Point-58.2°C
Flash Point26°C
Solubility in WaterSoluble (miscible in most proportions)-
Refractive Index (20 °C)1.4366-
Vapor Pressure (20 °C)1.55kPa

Packaging & Shipping

Packaging & Shipping

Cyclopentanone packaging

Packaging

Steel Drum - ~190 kg - 200 L

IBC Tote - ~950 kg - 1,000 L

ISO Tank - 20-23 MT - 24,000 L

Shipping & Storage

Hazardous: Yes - DG transport required

Lead Time: 2-4 weeks from order confirmation

Storage: Cool, dry, well-ventilated area away from ignition sources and strong oxidizers. Store in tightly closed containers.

Shelf Life: 12 months in original sealed packaging

Documentation

Documentation

TDS and MSDS available on request

Request TDSRequest MSDS

Documents will be emailed within 24 hours of your request

FAQ

Frequently Asked Questions

INSIGHTS

Related Insights

Cyclopentane as a PU Blowing Agent: Industry Overview

How cyclopentane became the industry-standard replacement for ozone-depleting CFCs in polyurethane insulation foam.

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Related Products

Related Products

CPME (Cyclopentyl Methyl Ether)

GREEN SOLVENT

CAS: 5614-37-9

High-purity CPME — a green pharmaceutical solvent replacing THF and MTBE in organic synthesis.

Learn More

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