Product Name
Tetramethylammonium hydroxide
Description
Tetramethylammonium hydroxide is a solid in the hydrated form or a colorless liquid with a strong ammonia-like odor. It is soluble in water. It is corrosive to metals and tissue.;Liquid
IUPAC Name
tetramethylazanium;hydroxide
Molecular Weight
91.15g/mol
Canonical SMILES
C[N+](C)(C)C.[OH-]
InChI
InChI=1S/C4H12N.H₂O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI Key
WGTYBPLFGIVFAS-UHFFFAOYSA-M
Density
Specific gravity of solution approximately 1.00 at 24 °C/4 °C
Solubility
In water, 1.0X10+6 mg/L at 25 °C /miscible/ (est)
Color/Form
The free base is known only in solution or as a solid pentahydrate, forming colorless, deliquescent needles;Liquid
Covalently-Bonded Unit Count
2
Log P
log Kow = -2.47 (est)
MeSH Entry Terms
tetraamethylammonium acetate;tetramethylammonium;tetramethylammonium bromide;tetramethylammonium chloride;tetramethylammonium fluoride;tetramethylammonium hydrogen dichloride;tetramethylammonium hydroxide;tetramethylammonium hydroxide pentahydrate;tetramethylammonium iodide;tetramethylammonium nitrate;tetramethylammonium perchlorate;tetramethylammonium sulfate (2:1);tetramethylammonium tribromide;tetramethylammonium triiodide;trimethylaminomethane
Monoisotopic Mass
91.099714g/mol
Other Experimental
Decomposes to trimethylamine and methanol upon distillation;Readily absorbs CO2 from the air;When heated to decomposition it emits toxic fumes of NOx and NH₃.;Concn: 25 wt% in water. VP: 17.5 mm Hg at 20 °C; Index of refraction: 1/3806 at 20 °C/D; density: 1.106 g/mL at 25 °C /Tetramethylammonium hydroxide solution/;Henry's Law constant = 4.35X10-16 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 5.06X10-12 cu cm/molec-sec at 25 °C (est)
Stability
Stable under recommended storage conditions. /Tetramethylammonium hydroxide pentahydrate/
Vapor Pressure
1.16X10-6 mm Hg at 25 °C (est)