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334901 Sigma-Aldrich

Tetramethylammonium hydroxide solution

25 wt. % in methanol

  • CAS Number 75-59-2

  • Linear Formula (CH3)4N(OH)

  • Molecular Weight 91.15

  •  Beilstein/REAXYS Number 3558708

  •  MDL number MFCD00008280

  •  PubChem Substance ID 57648847

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Properties

Related Categories β-Glucuronidase Drug Analysis Bundle, Acids & Bases, Analytical and Industrial Enzymes, Bases, Biochemicals and Reagents,
Quality Level   200
vapor pressure   17.5 mmHg ( 20 °C)
concentration   25 wt. % in methanol
impurities   ≤10% water
  ≤2% chloride
density   0.866 g/mL at 25 °C
SMILES string   [OH-].C[N+](C)(C)C
InChI   1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key   WGTYBPLFGIVFAS-UHFFFAOYSA-M

Description

General description

Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate.

Application

Tetramethylammonium hydroxide solution (25 wt.% solution in methanol) may be used in the synthesis of zirconium oxides via a modified sol-gel method with potential application as catalyst materials in CO hydrogenation.

Packaging

100, 4×100, 500 mL in glass bottle

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN 2920 3(8) / PGII
WGK Germany 
WGK 2
Flash Point(F) 
80.6 °F - closed cup
Flash Point(C) 
27 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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