tert-Butyl Methyl Ether 99.5% AR
MTBE; Methyl tert-butyl ether
Product Code. |
00581 |
Grade |
AR |
Purity |
99.5% |
CAS No. |
1634-04-4 |
Molecular Formula |
C5H12O |
Molecular Weight |
88.15 |
H.S.Code |
2909.30900 |
Shelf Life |
60 Months |
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% |
Packaging
Specification
| Appearance | Clear colorless liquid |
| Purity (by GC) | Min 99.5% |
| Identity (IR) | Passes test |
| Density (d20°C/4°C) | 0.739 - 0.740 |
| APHA colour | Max 10 |
| Non volatile matter | Max 0.001% |
| Methanol (GC,area %) | Max 0.01% |
| 2-Methyl-2-propanol (GC) | Max 0.05% |
| Acidity | Max 0.0005 meq/g |
| Alkalinity | Max 0.0002 meq/g |
| Peroxide (as H2O2) | Max 0.0001% |
| Water (H2O) | Max 0.03% |
Safety Information and 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