CPME - Loba Chemie

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Cyclopentyl Methyl Ether(CPME)
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Introduction
Loba Chemie offers more than 3,000 chemicals .
Our product line focuses on unique, hard-to-find
compounds to provide customers with the widest
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needs. Loba Chemie reagents are of the highest
purity, conveniently packaged in various sizes to
meet your chemical requirements. By actively
following current research trends, we are able to
develop and introduce a large number of new
products each year to meet the changing needs of
our customers.
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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. CAS 5614-37-9 TSCA
Approved ELINCS Approved
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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

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CPME 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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CPME Physical Properties
Density (20C)g/cm3 0.86
Vapor specific gravity (air 1) 3.45
Boiling point C 106
Melting point C lt -140
Viscosity (20C)cP 0.55
Surface tension (20C)mN/m 25.17
Heat of vaporization (boiling point)Kcal/kg 69.2
Specific heat (20C)Kcal/kgK 0.4346
Refractive index (20C) 1.4189
Solubility parameter cal/ml 8.4
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CPME Physical Properties
Dielectric constant (25C) 4.76
Dipole moment D 1.27 (calcd.)
Azeotropic point with water C 83()
Solubility in water (23C)g/100g 1.1
Solubility of water in the solvent (23C)g/100g 0.3
Flash point C -1
Ignition point C 180
LogPow 1.59
Explosion range vol (Lower limit) 1.1
Explosion range vol (Upper limit) 9.9
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CPME Physical Properties
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)
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Organic Process with CPME vs. THF
CPME simplifies processes, reduces wastewater and
emissions.
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Product Specification

• Purity(GC) 99.9 min
• Water 100ppm max
• Color(Hazen No) 10 max
• Peroxide 50 mgeq/kg max

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 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.

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Contact Us
LOBA CHEMIE PVT. LTD. Jehangir Villa, 107,
Wodehouse Road, Colaba, Mumbai 400 005. INDIA
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Thank You