Product #: 300018


Formula Weight: 96.12 g/mol
CAS #: 865-48-5
EINECS: 212-741-9
Alcoholate Stb

0.698 g/ml (Bulk density)

Melting Point

291-304 °C with decomposition

Physical Properties
Physical Form
White to off-white powder
Sodium t-butylate is soluble in ethers and some hydrocarbons. STB is available as a solution in tetrahydrofuran.
Sterically hindered, non-nucleophilic base appropriate for selective deprotonation chemistries including Wittig, enolate, cyclocondensation, and dehydrohalogenation.
Analysis Method
Base titration for concentration. Modified Karl Fisher for hydroxide/carbonate content
Storage & Shipping
Shelf Life
Two years in unopened, original packaging. Based upon stability testing.
Storage / Stability
STB reacts readily with water to form sodium hydroxide and t-butanol. STB solutions can hydrolyze upon exposure to moist air forming a cloudy solution and developing a yellow to brown color.
  • 32 oz. glass bottle containing 500 g STB
  • 5 gallon pail, containing 10 Kg
  • 30 gallon drum containing 50 Kg (5 x 10 Kg bags)
  • 55 gallon drum containing 100 Kg (10 x 10 Kg bags)
  • 55 gallon drum containing 100 Kg bulk
  • UN3206, PG II, 4.2(8)
  • Alkali metal alcoholates, self-heating, corrosive, n.o.s. (contains: sodium tert-butylate)
Safety & Service
Health & Safety

See product MSDS

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

Low hydroxide, non-corrosive to metals, custom packaging available as well as bulk quantities.