Triethylaluminium or TEA ( (CH3CH2)3Al ) is a volatile organometallic compound which is used in various chemical processing and as an ignitor for jet and rocket engines. It is a colorless liquid with melting point -50 °C, boiling point 128-130 °C at 50 mm Hg, flash point at -18 °C, and a characteristic smell. It is corrosive, causes burns, and is highly destructive to respiratory tract. Its CAS number is [ ] and its EINECS number is 202-619-3. Its risk and safety phrases are .
TEA is one of the few substances volatile enough to ignite on contact with cryogenic liquid oxygen, which makes it particularly desirable as a rocket engine ignitor. It also can be used as a rocket fuel, but has not been for any production vehicle. 
Thickened pyrophoric agent (TPA)
Triethylaluminium thickened with polyisobutylene is used as an incendiary weapon, as a pyrophoric alternative to napalm, e.g. in the M74 rockets for the M202A1 launchers.  In this application it is known as TPA, for thickened pyrotechnic agent or thickened pyrophoric agent.
- Triethylborane, used as an ignitor in the Pratt & Whitney J58 turbojet/ramjet engines.
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