Triethylborane

• Boron triethyl
• TEB

Spontaneously flammable, colorless liquid

Liquid

0.696 g · cm -3

-93 ° C

95 ° C.

15 mbar (0 ° C)

Hydrolysis in water

1.397 at 20 ° C.

Risk

235 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

Triethyl borane is a chemical compound from the class of organoboron compounds.

Production and representation

Triethylborane can be obtained by the reaction of borane with ethene. As a source of borane is a tetrahydrofuran -borane or diborane adduct.

Properties

Triethylborane is a spontaneously flammable, volatile, colorless liquid, wherein the hydrolysis is carried out with water. It decomposes when heated. The technical product is delivered as a solution with tetrahydrofuran, hexane or diethyl ether.

Use

Triethylborane is used in the paint industry and in organic syntheses. It is used together with lithium tert - butoxyaluminium hydride for reductive cleavage of ethers or epoxides. Moreover deoxidized primary and secondary alcohols. It is used also 9 rocket to ignite the JP -7 fuel in the engine and the afterburner at the Lockheed SR -71 as well as to ignite the Merlin 1B engine for the Falcon.