Cyclopentyl methyl ether (CPME)
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.
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CAS : 5614-37-9
TSCA : Approved
ELINCS : Approved |
Novel hydrophobic ether solvent Cyclopentyl methyl ether (CPME)
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
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.
- Please read the Material Safety Data Sheet (MSDS) 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 Loba Chemie beforehand.
To know more about CYCLOPENTYL METHYL ETHER (CPME), click here