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Home/Compounds/Industrial Chemical/Tetramethylammonium hydroxide pentahydrate
C4H23NO6
181.23 g/mol
Industrial ChemicalDanger

Tetramethylammonium hydroxide pentahydrate

CAS10424-65-4EC629-762-8
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
structure directing agent

Tetramethylammonium hydroxide pentahydrate is a quaternary ammonium salt that appears as a colorless solid or solution. It is commonly used as a structure directing agent in industrial chemical processes.

structure directing agent

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

Tetrakis(N,N,N-trimethylmethanaminium) orthosilicate

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Silicate source for chemical synthesis

StrongSame Parent

Tetramethylammonium bicarbonate

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research compound

StrongSame Parent

Tetramethylammonium chloride

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Clay stabilizer and chemical intermediate

StrongSame Parent

Tetramethylammonium hydroxide

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Semiconductor photoresist developer and etchant

ApplicationSame Use

N-Ethyl-N,N-dimethylcyclohexanaminium hydroxide

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structure directing agent

ApplicationSame Use

Tetraethylphosphanium hydroxide

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structure directing agent

ApplicationSame Use

(2R,6S)-1,1-Diethyl-2,6-dimethylpiperidin-1-ium hydroxide

CAS244048-96-2

structure directing agent

ApplicationSame Use

1,1,3,5-Tetramethylpiperidin-1-ium hydroxide

CAS244049-03-4

structure directing agent

Safety Reference

Corrosive
Corrosive
Toxic
Toxic
Danger
H290May be corrosive to metals
H300Fatal if swallowed
H301Toxic if swallowed
H310Fatal in contact with skin
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage

Customs Tariff Classification

The international HS code for Tetramethylammonium hydroxide pentahydrate (CAS 10424-65-4) 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

tetramethylazanium;hydroxide;pentahydrate

InChIKey

MYXKPFMQWULLOH-UHFFFAOYSA-M

SMILES

C[N+](C)(C)C.O.O.O.O.O.[OH-]

Synonyms (6)

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