High Purity Cas Potassium Tert-butoxide 865-47-4 For The Production Of Pesticides
Name: potassium tert-butoxide
CAS: 865-47-4
Storage conditions: Storebelow+30°C.
CAS Database: 865-47-4 (CASDataBaseReference)
Water Solubility: REACTS Sensitivity: MoistureSensitive
Acidity coefficient (pKa): pK1:18 (25°C)
Color: Whitetooff-white
Melting point: 256-258°C(dec.)(lit.)
PH value: 13 (5g/l, H2O, 20℃) Hydrolysis
Product Parameters
| Item | Value |
| WGK Germany | 1 |
| F | 10-21 |
| Auto-ignition temperature | 483 °℃ |
| Hazard Note | Flammable solid/Corrosive |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | | |
| Customs code | 29051900 |
The method of preparing potassium tert-butoxide in the laboratory is to add metal potassium into the freshly distilled tert-butanol under nitrogen atmosphere, reflux until the potassium is completely dissolved, and then keep warm for 1 h. The excess tert-butanol is distilled off, and the remaining white solid is placed in an oil bath for 180~ Drying Chemicalbook under vacuum at 190℃ for more than 10h can obtain the crystalline powder of potassium tert-butoxide, which needs to be stored under nitrogen. It cannot be exposed to air and moisture, otherwise it will turn pink. The yield is 99% in terms of potassium.
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