Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319
Sourcing Tetrabutylammonium bromide?
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Phase transfer catalyst
Sourcing Tetrabutylammonium bromide?
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Tetrabutylammonium bromide is a quaternary ammonium salt commonly used as a phase transfer catalyst. It is a white solid in its anhydrous form and serves as a precursor for preparing other tetrabutylammonium salts through salt metathesis reactions.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Tetrabutylammonium bromide (CAS 1643-19-2) is 2923.90.
2923.90
2923 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
tetrabutylazanium bromide
JRMUNVKIHCOMHV-UHFFFAOYSA-M
CCCC[N+](CCCC)(CCCC)CCCC.[Br-]