1-Butyl-3-methylimidazolium bromide
Synonym(s):1-Butyl-3-methylimidazolium bromide;BMIMBr
- CAS NO.：85100-77-2
- Empirical Formula: C8H15BrN2
- Molecular Weight: 219.12
- MDL number: MFCD03427611
- EINECS: 617-674-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-24 19:19:26
What is 1-Butyl-3-methylimidazolium bromide?
Chemical properties
White crystals
The Uses of 1-Butyl-3-methylimidazolium bromide
It is an ionic liquid used in a Heck reaction. It is also used in assessing the factors responsible for ionic liquid toxicity to aquatic organisms via quantitative structure-property relationship modeling
Preparation
Preparation of 1-butyl-3-methylimidazolium bromide: A three-necked 50 mL round bottom flask was charged with N-methylimidazole (0.10 mol) followed by dropwise addition of 1-bromobutane (0.11 mol) at 70 ℃. After the addition was completed, the resulting mixture was stirred at 140 ℃ for 1.5 h. The combined organic layer was washed three times by ethyl acetate and vacuum-dried overnight at 70 ℃.
General Description
1-Butyl-3-methylimidazolium bromide is a neutral ionic liquid.
Properties of 1-Butyl-3-methylimidazolium bromide
| Melting point: | 65-75°C |
| Density | 1.30 g/cm3(Temp: 25.1 °C) |
| storage temp. | Store below +30°C. |
| form | powder to lump |
| color | White to Orange to Green |
| Water Solubility | Miscible in water, methanol and dichloromethane. Immiscible in acetone, toluene, ethyl acetate and diethyl ether. |
| Sensitive | Hygroscopic |
| CAS DataBase Reference | 85100-77-2(CAS DataBase Reference) |
Safety information for 1-Butyl-3-methylimidazolium bromide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 1-Butyl-3-methylimidazolium bromide
| InChIKey | KYCQOKLOSUBEJK-UHFFFAOYSA-M |
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