Product #: 300013
LIHMDS/THF 24%
Formula:

C6H18NLiSi2


Formula Weight: 167.35 g/mol
CAS #: 4039-32-1
EINECS: 223-725-6
Alcoholate Lihmds
Density

0.884 g/ml @ 20 °C for 40 wt% in THF

Boiling Point

66°C for THF

Flash Point

As low as -17.2 °C

Physical Properties
Physical Form
Liquid
Appearance
Yellow to brown liquid
Solubility
Lithium hexamethyldisilazane (LiHMDS) is soluble in aromatic hydrocarbons and ethers
Application
Strong base for deprotonations or base catalyzed reactions, kinetic enolate formation, superbase component, used with alkyl lithium, base for Wittig reactions.
Analysis Method
Purity based upon titration. Hydroxide/carbonate based upon Modified Karl Fisher. Isoprene content by GC.
Storage & Shipping
Shelf Life
Four years in the unopened, original packaging.
Storage / Stability
Reacts readily with water to form lithium hydroxide and hexamethyldisilazane. LiHMDS can hydrolyze upon exposure to moist air forming a cloudy solution. LiHMDS reacts with CO2.
Packaging
  • 32oz. glass bottle containing 500 g LiHMDS, 40% in THF
  • 5 gallon drum containing 15 Kg LiHMDS, 40% in THF
  • 55 gallon drum containing 175 Kg LiHMDS, 40% in THF
Shipping
  • UN2920, PGI, 8(3)
  • Corrosive liquid, flammable, n.o.s. (contains: lithium hexamethyldisilazane, 2-methyl-2-butene, tetrahydrofuran)
Safety & Service
Health & Safety

See product MSDS

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

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