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Specialty Chemicals - Cyclopentyl methyl ether (CPME)Print Page

Benefits

  • HIGH HYDROPHOBICITY
    Easy separation and recovery from water, reducing emissions and wastewater
    Wide applicability as a reaction, extraction and crystallization solvent, giving simple and one-pot syntheses
  • WIDE LIQUIDITY RANGE
    Wide applications from lower to higher temperature, accelerating reaction rate
  • LOW HEAT OF VAPORIZATION
    Saving energy for distillation and recovery
  • RESIST PEROXIDE FORMATION
    Low exothermic decomposition energy of solvent containing it's peroxides
  • NARROW EXPLOSION AREA
  • RELATIVELY STABLE TO ACIDS OR BASES
  • EASY DRYING

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Applications

  • REACTIONS
    Grignard Reaction, Suzuki Coupling, Buchwald Amination, Metal Reductions (NaBH4, LiAlH4, i-Bu2AlH), Reactions with n-BuLi, Reactions with Lewis Acid, Friedel Crafts Reactions
  • EXTRACTIONS
  • CRYSTALLIZATIONS
  • POLYMERIZATIONS
  • COATINGS

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Physical Properties

  CPME MeTHF THF Diethyl ether Dioxane MTBE
Relative density 0.86 0.85 *d 0.89 *a 0.71 *b 1.03 *a 0.70 *a
Vapor specific gravity
(air=1)
3.45 2.97 *d 2.5 *a 2.6 *a 3.0 *a 3.0 *a
Boiling point [℃] 106 80.2 *d 66 *a 35 *a 101 *a 55 *a
Melting point [℃] <-140 -136 *d -108.5 *a -116 *a 12 *a -109 *a
Viscosity(20℃)[cP] 0.57 0.46 *d(25ºC) 0.55 *b 0.24 *b 1.31 *b
Surface tension(20℃)[mN/m] 25.17 26.4 *b 17.3 *b 36.9 *b
Heat of vaporization
(boiling point)[Kcal/kg]
69.2 87.1 *d 98.1 *b 86.1 *b 98.6 *b
Specific heat(20℃)[Kcal/kg・K] 0.435 0.469 *b 0.584 *c 0.41 *b
Dielectric constant(25℃) 4.76 6.97 *d 7.58 *b 4.20 *b 2.24 *b
Azeotropic temperature
with water [℃]
83 71 *d 64 *c 34 *b 88 *b
Azeotropic composition ( Solvent / Water, wt% ) 83.7 / 16.3 89.4 / 10.6 *d 94.0 / 6.0 *c 98.7 /
1.3 *b
81.6 / 18.4 *b
Solubility in water(23℃)[g/100g] 1.1 14 *d (20ºC) *a 6.9 *a (20ºC) *a 4.2 *a
Solubility of water in solvent
(23℃)[g/100g]
0.3 4 *d (20ºC) *b 1.2 *b *b
Flash point [℃] -1 -11 *d -14.5 *a -45 *a 12 *a -28 *a
Auto Ignition temperature [℃] 180 270 *e 321 *a 160
~180 *a
180 *a 375 *a
Explosion range [Vol%]
Lower limit
1.1 1.5 *e 2 *a 1.7 *a 2 *a 1.6 *a
Explosion range [Vol%]
Upper limit
9.9 8.9 *e 11.8 *a 48 *a 22 *a 15.1 *a
  • *a;International Chemical Safety Cards(ICSC)
  • *b;溶剤ハンドブック、講談社(1989)
  • *c;溶剤ポケットブック、オーム社(2001)
  • *d;Org. Process Res. Dev.,2007, 11(1), pp156-159
  • *e;Penn A Kem, Metyhtetrahydrofran, MSDS Date:10/1/2010
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Organic Processes with CPME vs. THF

CPME simplifies processes, reduces wastewater and emissions.

  • Organic Processes with CPME vs. THF

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Peroxide Formation of Ether Solvents

  • Peroxide Formation of Ether Solvents

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Product Specifications

purity(GC)       99.90% min
Water         100ppm max
Color(Hazen No)   10 max
Peroxide       50wtppm max

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Packings

170kg Drum, 16kg Can

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Cautions

The information contained herein is believed to be reliable, but no representations, guarantees or warranties of any kind are made as to its accuracy, stability for particular applications or results to be obtained.
Please read the Safety Data Sheet (SDS) carefully prior to handling.
This product was developed for the applications herein. In case of other applications, please handle under your confirmation of safety for the applications, or please talk to Zeon Corporation beforehand.

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