C8H21NO
147.26 g/mol
Pharmaceutical IntermediateDanger
Tetraethylammonium hydroxide
CAS77-98-5EC201-073-3
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
Tetraethylammonium hydroxide is a quaternary ammonium salt commonly utilized as a phase transfer catalyst in chemical synthesis and pharmaceutical manufacturing. It facilitates reactions between compounds in different phases, enhancing efficiency in industrial and laboratory applications.
Phase transfer catalyst 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.
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Related Compounds
StrongSame Parent
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StrongSame Parent
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StrongSame Parent
Tetraethylammonium chloride
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Catalyst and electrolyte
StrongSame Parent
Tetraethylammonium fluoride trihydrate
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research compound
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Safety Reference
Danger
H290May be corrosive to metals
H302Harmful if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
H312Harmful in contact with skin
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Tetraethylammonium hydroxide (CAS 77-98-5) 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
tetraethylazanium hydroxide
InChIKey
LRGJRHZIDJQFCL-UHFFFAOYSA-M
SMILES
CC[N+](CC)(CC)CC.[OH-]
Synonyms (14)
- 77-98-5(water)
- Hydroxide, Tetraethylammonium
- IPC-TEA-OH
- TEA hydroxide
- Tetraethylammonium hydroxide
- Tetraethylammonium hydroxyde
- tetraethylazanium;hydroxide
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