tert-BUTYL METHYL ETHER
tert-BUTYL METHYL ETHER For Synthesis
Short Name: tert-BUTYL METHYL ETHER
Synonym: MTBE; Methyl tert-butyl ether
Basic Details
Article No.
LG0988
Grade
For Synthesis
Purity
99%
CAS No.
1634-04-4
HS Code
2909.3090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear Colorless
Odour
Characteristic ethereal odor
Melting point/ Freezing point [°C]
-110°C
Auto-ignition temperature [°C]
374 °C
Flammability (solid, gas)
Flammable
Flash point [°C]
(-33.0 °C)
Boiling point [°C]
55 - 56 °C
Vapour pressure [20°C]
279.2 hPa at 20°C
Density [g/cm3]
0.74
Relative density, gas (air=1)
0.74 g/cm3 at 25 °C
Solubility in water [% weight]
Insoluble in water
Partition coefficient Log Pow octanol /water at 20°C
1.77
Explosion limits -upper [%]
15.10%
Explosion limits -lower [%]
1.60%
Chemical Specifications
Appearance
Clear colorless liquid
Purity (by GC)
Min 99%
Refractive index (20°C; 589 nm)
1.3756
Identity (IR)
Passes test
Free acid (as acetic acid)
Max 0.005%
Density (d20°C/4°C)
0.740 - 0.742
Peroxide (as H2O2)
Max 0.005%
Residue on evaporation
Max 0.005%
Water (H2O)
Max 0.05%
Safety Information & Hazard Symbols
Symbol
GHS02, GHS07
Signal Word
Danger
UN No.
2398
IMCO Class No.
3
Packing Group
II
Hazardous Statement
H225-H315
Precaution Statement
P210