Safety Reference
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315
Sourcing Tetrabutylammonium hydrogen sulfate?
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Tetrabutylammonium fluoride trihydrate
research compound
Sourcing Tetrabutylammonium hydrogen sulfate?
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Tetrabutylammonium hydrogen sulfate is a quaternary ammonium salt commonly employed as a phase transfer catalyst. It facilitates the transfer of reactants between immiscible phases in organic synthesis.
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 hydrogen sulfate (CAS 32503-27-8) 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.
hydrogen sulfate;tetrabutylazanium
SHFJWMWCIHQNCP-UHFFFAOYSA-M
CCCC[N+](CCCC)(CCCC)CCCC.OS(=O)(=O)[O-]