60435
Potassium tert-pentoxide solution
technical, ~25% in toluene (T, ~1.7 M)
Synonym(s):
Potassium (2-methyl-2-butoxide), Potassium tert-pentylate
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About This Item
Linear Formula:
CH3CH2C(CH3)2OK
CAS Number:
Molecular Weight:
126.24
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4149025
Concentration:
~25% in toluene (T, ~1.7 M)
grade
technical
Quality Segment
concentration
~25% in toluene (T, ~1.7 M)
density
0.90 g/mL at 20 °C
SMILES string
[K+].CCC(C)(C)[O-]
InChI
1S/C5H11O.K/c1-4-5(2,3)6;/h4H2,1-3H3;/q-1;+1
InChI key
ZRLVQFQTCMUIRM-UHFFFAOYSA-N
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.
Disclaimer
may crystallize; can be redissolved on heating to approx. 30°C
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Danger
Hazard Classifications
Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
39.2 °F
flash_point_c
4 °C
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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