Cyclopentanone

CAS Number

120-92-3

Molecular Formula

C₅H₈O

Also known as:

Cyclopentanone; Cyclopentyl ketone; Pentanone, cyclo-; CP ketone

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Product Description

Cyclopentanone (CAS 120-92-3) is a mid-boiling alicyclic ketone used principally as a process solvent and chemical intermediate. It delivers strong solvency for resins, oils and specialty organics and is widely employed in formulation, synthesis and fragrance intermediate production.

Application

  • Coatings & adhesives solvent
    Used as a processing solvent and viscosity modifier for alkyds, nitrocellulose and specialty resin systems.
  • Fine-chemical & pharmaceutical intermediate
    Used as a building block and reaction medium in multi-step syntheses for specialty intermediates.
  • Fragrance & flavor intermediate
    Serves as an intermediate or solvent in the manufacture of fragrance and flavor ingredients (industrial intermediate use).
  • Agrochemical intermediate
    Employed in synthetic routes for selected agrochemical intermediates and formulation steps.
  • Polymer processing & resin formulation
    Used in polymer dissolution, resin modification and additive manufacture where ketone solvency is required.
  • Analytical & laboratory reagent
    Provided in small packs for R&D, method development and QC use.

Technical Parameters

Parameter Value
Assay ≥ 99.0%
Water ≤ 0.05–0.2%
Melting point ≈ −45 to −40 °C
Boiling point ≈ 130–132 °C
Density ≈ 0.94–0.95 g·cm⁻³ (20 °C)
Flash point ≈ 26–30 °C

Applications

Coating Cosolvents

Quick Information

EINECS 204-632-7
Molecular Weight 84.12 g/mol

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