This product number has been discontinued but a similar product may be available. Please select the recommended replacement product below (if a direct replacement is available) or use the links to "similar products" to see other possible replacement products.
| |
| Synonym: | Methyl tert-butyl ether, MTBE |
| CAS Number: | 1634-04-4 |
| Linear Formula: | (CH3)3COCH3 |
| Molecular Weight: | 88.15 |
| Beilstein Registry Number: | 1730942 |
| EC Number: | 216-653-1 |
| MDL number: | MFCD00008812 |
Description
| Other Notes | Pertains only in Germany: Für Deutschland: Mineralölerzeugnis, steuerbegünstigt! Darf nicht als Treib-, Heiz-, Schmierstoff oder zur Herstellung solcher Stoffe verwendet werden! |
Properties
| vapor density | 3.1 (vs air) |
| grade | puriss. p.a. |
| assay | ≥99% (GC) |
| autoignition temp. | 705 °F |
| quality | dried |
| expl. lim. | 15.1 % |
| total impurities | ≤0.00003% peroxides (as H2O2) |
| | ≤0.00005% S-compounds (as S) |
| | ≤0.001% free acid (as CH3COOH) |
| | ≤0.001% non-volatile matter |
| | ≤0.005% tert.-butylmetylketon |
| | ≤0.0075% water (Karl Fischer) |
| | ≤0.0075% water |
| refractive index | n20/D 1.369(lit.) |
| bp | 55-56 °C(lit.) |
| density | 0.74 g/mL at 25 °C(lit.) |
| cation traces | Al: ≤0.5 mg/kg |
| | B: ≤0.02 mg/kg |
| | Ba: ≤0.1 mg/kg |
| | Ca: ≤0.5 mg/kg |
| | Cd: ≤0.05 mg/kg |
| | Co: ≤0.02 mg/kg |
| | Cr: ≤0.02 mg/kg |
| | Cu: ≤0.02 mg/kg |
| | Fe: ≤0.05 mg/kg |
| | Mg: ≤0.1 mg/kg |
| | Mn: ≤0.02 mg/kg |
| | Ni: ≤0.02 mg/kg |
| | Pb: ≤0.05 mg/kg |
| | Sn: ≤0.1 mg/kg |
| | Zn: ≤0.05 mg/kg |
Safety
| Hazard Codes | F,Xi |
| Risk Statements | 11-38 |
| Safety Statements | 9-16-24 |
| RIDADR | UN 2398 3/PG 2 |
| WGK Germany | 1 |
| RTECS | KN5250000 |
| UEL | 15.10% |
| LEL | 1.60% |
| Flash Point(F) | -27 °F |
| Flash Point(C) | -33 °C |
References
| Merck | Merck 13,6059 |
| Beilstein | Beil. 1,IV,1615 |
| Fieser | Fieser 4,333 |
| reference | Aldrich MSDS 1, 328:B / Corp MSDS 1 (1), 641:A / FT-IR 2 (1), 304:A / FT-NMR 1 (1), 319:B / IR-Spectra (2), 114:D / IR-Spectra (3), 124:D / NMR-Reference 2 (1), 174:A / RegBook 1 (1), 209:I / Structure Index 1, 29:E:3 / Vapor Phase 3, 266:D |
