Synonyms
Tetramethylammonium hydroxide solution, ~25% in H₂O; tetra methyl ammonium hydroxide; 75-59-2; Tetrametiloamonio hydroxido; Tetramethylammonium hydroxide solution, 25 wt. % in methanol; Tetrametanoamonio hydroxido; A838458; DB-050413; tetramethylammoniumhydroxide; AC1Q29QX;
IUPAC Name
tetramethylazanium;hydroxide;
Molecular Weight
91.154g/mol
Molecular Formula
C4H13NO;
InChI
InChI=1S/C4H12N.H₂O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1;
InChI Key
WGTYBPLFGIVFAS-UHFFFAOYSA-M;
Melting Point
63 deg C;
Density
Specific gravity of solution approximately 1.00 at 24 deg C/4 deg C;
Solubility
In water, 1.0X10+6 mg/L at 25 deg C /miscible/ (est);
Storage
2-8°C
Color Form
The free base is known only in solution or as a solid pentahydrate, forming colorless, deliquescent needles;Liquid;
Complexity
19.1
Corrosivity
Corrosive;
Covalently-Bonded Unit Count
2
Decomposition
When heated to decomposition it emits toxic fumes of /nitrogen oxides and ammonia/.;
EC Number
200-882-9
Exact Mass
91.1g/mol
H-Bond Acceptor
1
H-Bond Donor
1
Heavy Atom Count
6
Monoisotopic Mass
91.1g/mol
Odor
Strong ammonia-like;
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 deg C; Index of refraction: 1/3806 at 20 deg C/D; density: 1.106 g/mL at 25 deg C /Tetramethylammonium hydroxide solution/;Henry's Law constant = 4.35X10-16 atm-cu m/mol at 25 deg C (est);Hydroxyl radical reaction rate constant = 5.06X10-12 cu cm/molec-sec at 25 deg C (est);
Stability
Stable under recommended storage conditions. /Tetramethylammonium hydroxide pentahydrate/;
Topological Polar Surface Area
1A^2
UNII
5GKP7317Q2
UN Number
1835
Vapor Pressure
1.16X10-6 mm Hg at 25 deg C (est);
