Synonyms: Potassium (2-methyl-2-butoxide); Potassium tert-pentylate
CAS Number: 41233-93-6
Formula: C5H11KO
Formula Weight: 126.24
Linear Formula: CH3CH2C(CH3)2OK
MDL No.: MFCD00064808
Density: 0.90 g/mL at 20 C
Beilstein Registry Number: 4149025
UNSPSC Code: 12352000
Application: Potassium tert-pentoxide solution has been used as a base to synthesize [RuClPh(CO)(H2IMes)(PCy3)] from second-generation Grubbs metathesis catalyst, [RuCl2(=CHPh)(H2IMes)(PCy3)], (where H2IMes is 1,3-dimethyl-4,5-dihydroimidazol-2-ylidene and PCy3 is tricyclohexylphosphine) and benzyl alcohol. This complex is a solid, air-stable and highly active isomerization catalyst.
RIDADR: UN 2924 8(3) / PGII
WGK Germany: 3
Flash Point(F): 39.2 F
Flash Point(C): 4 C
R Codes: 63-11-14-34-48/20-65-67
S Codes: 16-26-36/37/39-45-62
IOD Codes: F,C
Symbol: GHS02, GHS05, GHS07, GHS08
Signal Word: Danger
Hazard Statements: H225-H304-H314-H336-H361d-H373
Precautionary statements: P210-P261-P280-P301 + P310-P305 + P351 + P338-P310