1-Methylimidazolium hydrogen sulfate
ALDRICH/59760 - 95%
Synonym: 1-Methylimidazole hydrogen sulfate
CAS Number: 681281-87-8
Empirical Formula (Hill Notation): C4H6N2 · H2SO4
Molecular Weight: 180.18
MDL Number: MFCD06798198
Linear Formula: C4H6N2 · H2SO4
Product Type: Chemical
anion traces | chloride (Cl-): ≤20 mg/kg |
assay | ≥94.5% (HPLC) |
95% | |
form | solid |
impurities | ≤1% water |
InChI | 1S/C4H6N2.H2O4S/c1-6-3-2- |
InChI key | TVEOIQKGZSIMNG-UHFFFAOYSA |
SMILES string | OS(O)(=O)=O.Cn1ccnc1 |
Application: | 1-Methylimidazolium hydrogen sulfate is a Brønsted acidic ionic liquid that can be used: • As a component of a catalytic system along with chlorotrimethylsilane used in the preparation of 3,4-dihydropyrimidin-2(1H)-ones and hydroquinazoline-2,5-dion • As a catalyst in the preparation of biologically important 2,5-dimethyl-N-substituted pyrroles. • As a reusable catalyst in the preparation of spiro[indoline-3′,2-quina • In the leaching of copper and zinc in brass dross using H2O2 as an oxidant. |
Packaging: | 1 kg in glass bottle |
Packaging: | 100 g in glass bottle |
Symbol | GHS05 |
Signal word | Danger |
Hazard statements | H314 |
Precautionary statements | P280 - P305 + P351 + P338 - P310 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 3261 8 / PGII |
WGK Germany | WGK 3 |
Flash Point(F) | > 536.0 °F |
Flash Point(C) | > 280 °C |
Purity | ≥94.5% (HPLC); 95% |
UNSPSC | 12352100 |