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H27349 Cyclopentyl methyl ether, 99.9+%

CAS Number

Stock No. Size Price ($) Quantity Availability
H27349-AP 500ml 51.10
H27349-AU 1000ml 77.60
H27349-0F 2500ml 166.00
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Cyclopentyl methyl ether, 99.9+%


Chemical Properties

Formula Weight
Melting point
Boiling Point
Flash Point
Refractive Index
Storage & Sensitivity
Ambient temperatures.
Miscible with water, alcohols, ketones and hydrocarbons.


Cyclopentyl methyl ether is a hydrophobic ether solvent widely used in Grignard reaction, Friedel-Crafts reaction, Claisen condensation and Beckmann reaction. It plays an important role in extraction and polymerization reactions as well as in surface coatings. It is considered as a replacement for tetrahydrofuran, methyl tert-butyl ether, dioxane and other existing ether solvents due to its excellent properties like high boiling point and relative stability under acidic and basic conditions.


Store in cool place. Air and light sensitive. Incompatible with oxidizing agents, acids, nitric acid, hydrogen peroxide and hydrazine.

Literature References

Azzena, U.; Carraro, M.; Mamuye, A. D.; Murgia, I.; Pisano, L.; Zedde, G. Cyclopentyl methyl ether-NH4X: a novel solvent/catalyst system for low impact acetalization reactions. Green Chem. 2015, 17 (6), 3281-3284.

Zhang, H. Liquid-liquid phase equilibria of the quaternary system {water (1) + acrylic acid (2) + acetic acid (3) + cyclopentyl methyl ether (4)}: Measurement, correlation, and comparative study. Fluid Phase Equilib. 2015, 403, 23-29.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H302-H315-H319

Highly flammable liquid and vapour. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation.

Precautionary Statements: P210-P233-P240-P241-P242-P243-P264b-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338-P330-P332+P313-P337+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A12349

    1-Bromo-2-chloroethane, 98%
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  • L07356

    2-Methyltetrahydrofuran, 99%, stab. with ca 150-400ppm BHT
  • 42254

    Tetrahydrofuran, anhydrous, 99.8+%, unstab.

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