Cyclopentyl methyl ether (CPME) is a totally new hydrophobic ether solvent, Unlike other common ether solvents, CPME has unique excellent properties and is widely applicable as a replacement for Tetrahydrofuran (THF), Methyl Tert-Butyl Ether (MTBE), Dioxane and other existing ether solvents.
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
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
Physical Properties
CPME
THF
Diethyl ether
Dioxane
MTBE
Density (20°C)[g/cm3]
0.86
0.89
0.71
1.03
0.74
Vapor specific gravity (air = 1)
3.45
2.49
2.56
3.3
3.03
Boiling point [°C]
106
65
34.6
101
55
Melting point [°C]
<-140
-108.5
-116.3
11.8
-108.7
Viscosity (20°C)[cP]
0.55
0.55
0.2448
1.31
Unknown
Surface tension (20°C)[mN/m]
25.17
26.4
17.3
33.74
19.8
Heat of vaporization (boiling point)[Kcal/kg]
69.2
98.1
86.08
98.6
81.7
Specific heat (20°C)[Kcal/kg・K]
0.4346
0.469
0.5385
0.41
0.51
Refractive index (20°C)
1.4189
1.407
1.353
1.422
1.369
Solubility parameter [cal/ml]
8.4
9.5
7.4
Unknown
Unknown
Dielectric constant (25°C)
4.76
7.58
4.197
2.227
Unknown
Dipole moment [D]
1.27 (calcd.)
1.7
1.12
0.45
Unknown
Azeotropic point with water [°C]
83(*)
64
34.2
87.8
-
Solubility in water (23°C)[g/100g]
1.1
∞
6.5
∞
4.8
Solubility of water in the solvent (23°C)[g/100g]
0.3
∞
1.2
∞
1.5
Flash point [°C]
-1
-14.5
-45
12
-28
Ignition point [°C]
180
205
180-190
180
460
LogPow
1.59
0.47
0.89
-0.42
1.06
Explosion range [vol%] (Lower limit)
1.1
1.84
1.85
2
1.6
Explosion range [vol%] (Upper limit)
9.9
11.8
48
22
15.1
* Azeotropic composition:
CPME
83.7/water
16.3 (wt%)
oil phase:
CPME
98.9/water
1.1 (wt%)
water phase:
CPME
0.78/water
99.22 (wt%)
Organic Processes with CPME vs. THF
CPME simplifies processes, reduces wastewater and emissions.
Peroxide Formation of Ether Solvents
Product Specifications
Purity(GC)
: 99.9% min
Water
: 100ppm max
Color(Hazen No)
: 10 max
Peroxide
: 50 mgeq/kg max
Packings
170kg Drum, 16kg Can
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.
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 Loba Chemie beforehand.
Disclaimer: Loba Chemie Pvt. Ltd. makes every effort to ensure that the information displayed on this web site is accurate and complete, however it is not liable for any errors, inaccuracies or omissions. Majority of the information on lobachemie.com is liable to change without any intimation or notice.
Globally Harmonized System of classification and labelling of chemicals (GHS)