9201. Tetraethylammonium Hydroxide

Nomenclature

CAS number: 77-98-5
N,N,N-Triethylethanaminium hydroxide (1:1).
C8H21NO; mol wt 147.26.
C 65.25%, H 14.37%, N 9.51%, O 10.86%.

Description and references

Made from the corresp halide by treating with silver oxide or with a soln of potassium hydroxide in methanol.

Chemical structure

Properties

Marketed as an aq soln. A 10% soln has a d425 ≈1.01. The free base is known only in soln or as hydrates. Dec on boiling. It is a very strong base readily absorbing CO2 from the air. The aq soln is colorless, odorless, bitter, caustic, strongly alkaline, and imparts a soapy feel to the skin. Keep well closed.

Derivative

Tetrahydrate.

Nomenclature

CAS number: 5990-65-8
C8H21NO.4H2O; mol wt 219.32.
C 43.81%, H 13.33%, N 6.39%, O 36.48%.

Properties

mp 49-50°.

Derivative

Hexahydrate.

Nomenclature

CAS number: 6024-77-7
C8H21NO.6H2O; mol wt 255.35.
C 37.63%, H 13.03%, N 5.49%, O 43.86%.

Properties

mp 55°.