tert-Butyl methyl ether
SIAL/306975 - anhydrous, 99.8%
Synonym: MTBE; Methyl tert-butyl ether
CAS Number: 1634-04-4
Empirical Formula (Hill Notation): C5H12O
Molecular Weight: 88.15
EC Number: 216-653-1
MDL Number: MFCD00008812
Linear Formula: (CH3)3COCH3
Product Type: Chemical
Anhydrous, Sureseal
Anhydrous, Sureseal
| assay | 99.8% |
| autoignition temp. | 705 °F |
| bp | 55-56 °C (lit.) |
| density | 0.74 g/mL at 25 °C (lit.) |
| evapn. residue | <0.0005% |
| expl. lim. | 15.1 % |
| form | liquid |
| grade | anhydrous |
| impurities | <0.003% water |
| <0.005% water (100 mL pkg) | |
| InChI | 1S/C5H12O/c1-5(2,3)6-4/h1 |
| InChI key | BZLVMXJERCGZMT-UHFFFAOYSA |
| mp | -110 °C |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | COC(C)(C)C |
| vapor density | 3.1 (vs air) |
| vapor pressure | 4.05 psi |
| Application: | tert-Butyl methyl ether may be used to synthesize fatty acid methyl esters (FAMEs) and glycerol tert-butyl ether via transesterification with canola oil under supercritical conditions. |
| General description: | tert-Butyl methyl ether (MTBE) is a gasoline additive. MTBE undergoes oxidative degradation in the presence of propane-oxidizing bacterial strains. The kinetic studies of heat-assisted persulfate oxidation of MTBE under various parameters suggests that the reaction follows the pseudo-first-order kinetics. MTBE can be synthesized by acid catalyzed reaction between methanol and isobutene. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by stopped-flow method. |
| General description: | tert-Butyl methyl ether is a commonly used organic solvent that can be synthesized by acid catalyzed reaction between methanol and isobutene. It is an effective alternative to lead containing additives for enhancing the octane rating of gasoline. |
| Packaging: | 1, 6×1, 2 L in Sure/Seal™ |
| Packaging: | 100 mL in Sure/Seal™ |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H315 |
| Precautionary statements | P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-38 |
| Safety Statements | 9-16-24 |
| RIDADR | UN 2398 3 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | -18.4 °F - closed cup |
| Flash Point(C) | -28 °C - closed cup |
| Purity | 99.8% |
| bp | 55-56 °C (lit.) |
| mp | -110 °C |
| Density | 0.74 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352112 |