C16H37NO
259.47 g/mol
Industrial ChemicalDanger
Tetrabutylammonium hydroxide
CAS2052-49-5EC218-147-6
Category
Industrial Chemical
Compound Class
Other
Primary Use
Phase transfer catalyst
Tetrabutylammonium hydroxide is a quaternary ammonium compound commonly used as a phase transfer catalyst in organic synthesis. It facilitates the transfer of reactants between immiscible phases, enabling reactions in biphasic systems.
Phase transfer catalyst in organic reactionsReagent for the preparation of tetrabutylammonium salts
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.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
Tetrabutylammonium hexafluorophosphate
CAS3109-63-5
research compound
StrongStructure SimilarSimilarity 1.00
Tetrabutylammonium iodide
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research compound
StrongStructure SimilarSimilarity 1.00
Tetrabutylammonium tetrafluoroborate
CAS429-42-5
electrolyte salt for batteries
StrongStructure SimilarSimilarity 1.00
Tetrabutylammoniumdiacetate
CAS51012-12-5
phase transfer catalyst
ApplicationSame Use
Tetrabutylammonium chloride
CAS1112-67-0
Phase transfer catalyst
ApplicationSame Use
Tetrabutylammonium nitrite
CAS26501-54-2
Phase transfer catalyst
ReferenceSame Category
1,1':4',1''-Terphenyl, 2',3,4,5-tetrafluoro-4''-propyl-
CAS205806-87-7
liquid crystal intermediate
ReferenceSame Category
Sodium amino-tris(methylenesulphonate)
CAS20592-85-2
Chelating agent and surfactant
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H312Harmful in contact with skin
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Tetrabutylammonium hydroxide (CAS 2052-49-5) is 2923.90.
HS code (international, 6-digit)
2923.90
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
tetrabutylazanium hydroxide
InChIKey
VDZOOKBUILJEDG-UHFFFAOYSA-M
SMILES
CCCC[N+](CCCC)(CCCC)CCCC.[OH-]
Synonyms (30)
- TBAH
- Reagecon Tetrabutylammonium Hydroxide 0.1N according to United States Pharmacopoeia (USP)
- IPC-TBA-OH
- Tetrabutylammonium hydroxide
- tetrabutylammonium oxide
- tetrabutylazanium;hydroxide
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