123-41-1
| Name | Choline hydroxide |
| CAS | 123-41-1 |
| EINECS(EC#) | 204-625-1 |
| Molecular Formula | C5H15NO2 |
| MDL Number | MFCD00002831 |
| Molecular Weight | 121.18 |
| MOL File | 123-41-1.mol |
Chemical Properties
| Appearance | colorless to tan viscous solution |
| Melting point | 236～239℃ |
| density | 1.09 g/mL at 20 °C |
| vapor pressure | 28.284hPa at 25℃ |
| refractive index | n |
| Fp | 92 °F |
| storage temp. | 2-8°C |
| solubility | Water (easy), ethanol (difficult to dissolve (1-pentanol)), ether (insoluble) |
| form | Granular Powder |
| pka | 13.9(at 25℃) |
| color | White |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Water Solubility | miscible |
| Merck | 2204 |
| InChI | 1S/C5H14NO.H2O/c1-6(2,3)4-5-7;/h7H,4-5H2,1-3H3;1H2/q+1;/p-1 |
| InChIKey | KIZQNNOULOCVDM-UHFFFAOYSA-M |
| SMILES | [OH-].C[N+](C)(C)CCO |
| LogP | -2.25 at 25℃ |
| CAS DataBase Reference | 123-41-1(CAS DataBase Reference) |
Safety Data
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405 |
| Hazard Codes | C,T |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3286 3/PG 2 |
| WGK Germany | 1 |
| RTECS | GA4025500 |
| F | 8-9-23 |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29231000 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 3 Dermal Acute Tox. 3 Inhalation Acute Tox. 3 Oral Carc. 1B Eye Dam. 1 Flam. Liq. 3 Skin Corr. 1A STOT SE 1 |