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Physical Properties |
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|
Molecular weight |
88.14 |
|
Boiling point |
55.2°C |
|
Vapor pressure |
240 Torr at 20°C |
|
Freezing point |
-108.6°C |
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Refractive index |
1.3689 at 20°C |
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Density |
0.7405 g/mL (6.179 lb/gal) at 20°C |
|
|
0.7358 g/mL (6.140 lb/gal) at 25°C |
|
Dipole moment |
1.32 D at 25°C |
|
Solvent group |
1 |
|
Polarity index (P’) |
2.5 |
|
Eluotropic value on alumina |
0.3-0.4 |
|
Viscosity |
0.27 cP at 20°C |
|
Surface tension |
19.4 dyn/cm at 24°C |
|
Solubility in water |
4.8% at 20°C |
|
Solubility of water in methyl t-butyl ether |
1.5% at 20°C |
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Regulatory and Safety Data |
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|
DOT Proper Shipping Name |
Methyl tert-Butyl Ether |
|
DOT Hazard Class |
3, Flammable Liquid |
|
Packing Group |
II |
|
UN Identification Number |
UN2398 |
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|
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Storage |
Store in an area designed for flammable storage, or in an approved metal cabinet, away from direct sunlight, heat and sources of ignition. |
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EPA applicable waste code(s) |
D001 |
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Flash point |
-18°F (-27°C) by closed cup |
|
Lower explosive limit |
2.5% |
|
Upper explosive limit |
15.1% |
|
Time Weighted Average |
40 ppm ACGIH |
|
Peroxide hazard |
Very resistant to peroxide formation, but check for presence of peroxides before concentrating |
