Choline hydroxide solution
ALDRICH/333018 - 45 wt. % in methanol
Synonym: (2-
CAS Number: 123-41-1
Empirical Formula (Hill Notation): C5H15NO2
Molecular Weight: 121.18
MDL Number: MFCD00002831
Linear Formula: HOCH2CH2N(CH3)3OH
Product Type: Chemical
| concentration | 45 wt. % in methanol |
| contains | 0.5% paraformaldehyde as stabilizer |
| density | 0.945 g/mL at 25 °C |
| form | liquid |
| functional group | amine |
| hydroxyl | |
| InChI | 1S/C5H14NO.H2O/c1-6(2,3)4 |
| InChI key | KIZQNNOULOCVDM-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | [OH-].C[N+](C)(C)CCO |
| Application: | Choline hydroxide solution can be used as a catalyst in the efficient conversion of CO2 and 2-aminobenzonitriles to quinazoline-2,4(1H,3H)-dione derivatives. |
| General description: | Choline hydroxide solution, also known as choline base, is a strong organic base that can be used in the chemical industry as a solvent, catalyst, and corrosion inhibitor. It can also be used as a stabilizer for quaternary ammonium compounds and as a phase transfer agent in organic synthesis. |
| Packaging: | 1 kg in glass bottle |
| Symbol | ![]() ![]() ![]() GHS02,GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H226 - H301 + H311 + H331 - H314 - H350 - H370 |
| Precautionary statements | P202 - P210 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | T |
| Risk Statements | 10-23/24/25-34-39/23/24/25 |
| Safety Statements | 26-35-36/37/39-45 |
| RIDADR | UN 3286 8(6.1)(3) / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 73.4 °F - closed cup |
| Flash Point(C) | 23 °C - closed cup |
| Density | 0.945 g/mL at 25 °C |
| Refractive Index | n |
| UNSPSC | 12352000 |





