2-Methyltetrahydrofuran, CAS 96-47-9 from new European production
Chemical name: 2-Methyltetrahydrofuran
IUPAC name: 2-Methyloxolane
Synonyms: Tetrahydro-2-methylfuran, MeTHF
Molecular formula: C5H10O
Molecular weight: 86.13 g/mol
CAS number: 96-47-9
EC number: 202-507-4
Parameter
|
Specification
|
Analysis method *
|
2-Methyltetrahydrofuran purity [%]
|
min. 99.9
|
AM 112
|
BHT inhibitor content [ppm]
|
150 - 400
|
AM 112
|
Moisture content [wt%]
|
max. 0.03
|
AM 110
|
Peroxides (as H2O2) content [ppm]
|
max. 15
|
AM 111
|
APHA colour
|
max. 20
|
AM 109
|
Physical data
Appearance: clear, colourless, transparent liquid
Odour: ether like
Boiling point: 78°C
Flash point (closed cup): -10°C
Melting point/freezing point: -136°C
Refractive Index (20°C): 1.4046-1.4066
Relative density (20°C/4°C): 0.855
Viscosity (20°C): 0.576 mm²/s
Vapour pressure (25°C): 14 kPa
Evaporation rate (n-butylacetate = 1): 4.2
Auto-ignition temperature: 260°C
Latent heat of vaporization (20°C): 89.7 cal/g
Solubility in water (20°C): 14 wt%
Solubility of water in MeTHF (20°C): 4.4 wt%
Partition coefficient n-octanol/water: 1.1
Water azeotrope boiling point: 71°C (89.4 wt% MeTHF, 10.6 wt% water)
Hansen solubility parameter:
Non-polar: 8.3
Polar: 1.9
Hydrogen bond: 3.0
Total: 8.9
Solubility of MgBr2 (25°C): 40
Dielectric constant (25°C): 7.0
Donicity: 18 kcal/mol
Applications
Use as solvent in chemical synthesis, for grignard reactions or organometallic reactions
Use in solvent recovery, as an extraction solvent
Use as additive in bio-fuels
Packaging
Available in drum (170 kg net) or bulk starting from February 2025
Shelf life
The product should be stored under ambient conditions (max. 25°C), protected from exposure to direct sunlight, heat sources and air. Storage under nitrogen atmosphere is recommended.
Shelf life: 24 months after production (with stabilizer).