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| CAS number | 1634-04-4 |
| Molecular formula | C5H12O |
| Product name | 1634-04-4 tert-Butyl methyl ether |
| Molecular Structure |  |
Appearance：clear liquid
Density：0.7404
Boiling Point：54-56ºC
Melting Point：-110ºC
Freezing Point：-108.6℃
Flash Point：-28ºC
Refractive Index：1.3675-1.3695
Water Solubility：51 g/L (20 ºC)
Stability：Stable, but may form explosive peroxides in contact with air. Extremely flammable - note low flash point. Incompatible with strong oxidizing agents.
Storage Condition：-20ºC
Vapor Density：3.1 (vs air)
Vapor Pressure：4.05 psi ( 20 °C)
