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Tetramethylammonium Hydroxide Pentahydrate

Tetramethylammonium Hydroxide Pentahydrate / CAS : 10424-65-4

Appearance Colorless needlelike crystals UN 3423
HS 29239000 DG Class 8
Synonyms Tetramethylammonium Hydroxide; Tetramethylazanium,Hydroxide,Pentahydrate; Methanaminium, N,N,N-Trimethyl-, Hydroxide, Pentahydrate; TMAH Pentahydrate
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Properties

Summary

Formula
C4H23NO6
Molecular Mass
181.22900
Exact Mass
181.15300
PSA
69.21000
Logp
-0.17590
IUPAC
tetramethylazanium;hydroxide;pentahydrate
SMILES
C[N+](C)(C)C.O.O.O.O.O.[OH-]

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Organometallic Compounds
Surfactants, Catalysts > Acid Base Catalyst

Chemical and Physical Properties

Melting Point
67-70 °C
Density
1.829
Appearance
Colorless needlelike crystals
Acidity and Basicity
alkalinity

Export information

HS Code
29239000
Export Rebate
13%
UN No.
3423
DG-Class
8
Risk Code
R24/25-34-44-20/21/22
Safety Label
T,C

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