|
Physical Properties |
|
|
Molecular
weight |
88.14 |
|
Boiling point |
55.2°C |
|
Vapor pressure |
240 Torr
at 20°C |
|
Freezing point |
-108.6°C |
|
Refractive
index |
1.3689 at
20°C |
|
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 |
| |
|
|
Regulatory and Safety Data |
|
|
DOT Proper
Shipping Name |
Methyl
tert-Butyl Ether |
|
DOT Hazard
Class |
3,
Flammable Liquid |
|
Packing Group |
II |
|
UN
Identification Number |
UN2398 |
| |
|
|
Storage |
Store in
an area designed for flammable storage, or in an approved metal cabinet,
away from direct sunlight, heat and sources of ignition. |
| |
|
|
EPA applicable
waste code(s) |
D001 |
|
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.
|
