Product #: 300010
KTB/THF 20%
Formula:

(CH3)3COK


Formula Weight: 112.21 g/mol
CAS #: 865-47-4
EINECS: 212-740-3
Alcoholate Ktb
Density

0.906 g/ml @ 22 °C

Boiling Point

66°C for THF

Flash Point

-18.3 °C

Physical Properties
Physical Form
Liquid
Appearance
Colorless to amber liquid.
Solubility
K-tert.-Butylate (KTB) is soluble in tetrahydrofuran, alcohols, pyridine and slightly soluble in aromatic hydrocarbons and other ethers.
Application
Sterically hindered, non-nucleophilic base appropriate for selective deprotonation chemistries including Wittig, enolate, cyclocondensation, and dehydrohalogenation.
Analysis Method
Purity based upon titration. Hydroxide/carbonate based upon Modified Karl Fisher.
Storage & Shipping
Shelf Life
Four years in the unopened, original packaging.
Storage / Stability
Reacts with water and carbon dioxide in air; t-butanol is liberated from reaction with water causing a cloudy solution. Keep away from heat, sparks and flame.
Packaging
  • 32 oz glass bottle containing 500 grams
  • 5 gallon drum containing 15 kg
  • 55 gallon drum containing 185 kg
  • Cylinder and isocontainer packaging available
Shipping
  • UN2920, PGI, Hazard Class 8 (3)
  • Corrosive liquid, flammable, n.o.s. (contains: potassium t-butoxide, tetrahydrofuran)
Safety & Service
Health & Safety

See product MSDS

Technical Service
Available for all Callery products. Please contact your local representative for more details.