Safety Reference
Danger
H302Harmful if swallowed
H311
Sourcing Tetrabutylphosphonium bromide?
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research compound
Sourcing Tetrabutylphosphonium bromide?
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Tetrabutylphosphonium bromide is a quaternary phosphonium salt commonly utilized as a phase transfer catalyst in organic synthesis. Its structure consists of a tetrabutylphosphonium cation paired with a bromide anion, facilitating the transfer of reactants between immiscible phases.
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 Tetrabutylphosphonium bromide (CAS 3115-68-2) is 2931.49.
2931.49
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
tetrabutylphosphanium bromide
RKHXQBLJXBGEKF-UHFFFAOYSA-M
CCCC[P+](CCCC)(CCCC)CCCC.[Br-]