Potassium tert-pentoxide solution
ALDRICH/702757 - 2 M in THF
Synonym: Potassium tert-amylate; Potassium (2-
CAS Number: 41233-93-6
Empirical Formula (Hill Notation): C5H11KO
Molecular Weight: 126.24
MDL Number: MFCD00064808
Linear Formula: CH3CH2C(CH3)2OK
Product Type: Chemical
concentration | 2 M in THF |
density | 0.920 g/mL at 25 °C |
form | liquid |
InChI | 1S/C5H11O.K/c1-4-5(2,3)6; |
InChI key | ZRLVQFQTCMUIRM-UHFFFAOYSA |
SMILES string | [K+].CCC(C)(C)[O-] |
Application: | Potassium tert-pentoxide solution can be used as a base in the:• Wittig reaction of ketoesters with methyltriphenylphosphoniu • Palladium-catalyzed Buchwald-Hartwig amination reaction. It can also be used:• To prepare potassium tert-pentoxide-crown ether complexes, which is used as a Lewis base catalyst in Mukaiyama aldol reaction. • As an activator for (difluoromethyl)trimethyl |
Features and Benefits: | In the absence of air and moisture, potassium tert-pentoxide solutions in benzene or toluene may be stored in a refrigerator for up to 1 year without significant deterioration. |
General description: | Potassiumtert-pentoxide solution is a strong and sterically hindered alkoxide baseprepared by treating oil-free potassium hydride with anhydrous t-pentylalcohol in anhydrous solvent. |
Packaging: | 100, 500 mL in glass bottle |
Symbol | GHS02,GHS05,GHS07,GHS08 |
Signal word | Danger |
Hazard statements | H225 - H302 - H314 - H335 - H351 |
Precautionary statements | P210 - P260 - P280 - P305 + P351 + P338 - P370 + P378 - P403 + P235 |
Hazard Codes | F,C |
Risk Statements | 11-14-19-34-37-40 |
Safety Statements | 16-26-36/37/39-45 |
RIDADR | UN 2924 8(3) / PGII |
WGK Germany | WGK 3 |
Flash Point(F) | 1.4 °F - Solvent |
Flash Point(C) | -17 °C - Solvent |
Supplemental Hazard Statements | EUH014 - EUH019 |
Density | 0.920 g/mL at 25 °C |
UNSPSC | 12352001 |