Tetramethylammonium hydroxide solution
SIAL/334901 - 25 wt. % in methanol
Synonym: N,N,N-
CAS Number: 75-59-2
Empirical Formula (Hill Notation): C4H13NO
Molecular Weight: 91.15
MDL Number: MFCD00008280
Linear Formula: (CH3)4N(OH)
Product Type: Chemical
concentration | 25 wt. % in methanol |
density | 0.866 g/mL at 25 °C |
form | liquid |
impurities | ≤10% water |
≤2% chloride | |
InChI | 1S/C4H12N.H2O/c1-5(2,3)4; |
InChI key | WGTYBPLFGIVFAS-UHFFFAOYSA |
Quality Level | 200 ![]() |
SMILES string | [OH-].C[N+](C)(C)C |
vapor pressure | 17.5 mmHg ( 20 °C) |
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. |
General description: | Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate. |
Packaging: | 100, 4×100, 500 mL in glass bottle |
Symbol | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Signal word | Danger-Danger |
Hazard statements | H226 - H300 + H310 - H314 - H331 - H370 - H372 - H411 - H226 - H300 + H310 - H314 - H331 - H370 - H372 - H411 |
Precautionary statements | P210 - P273 - P280 - P210 - P273 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
Hazard Codes | T+ |
Risk Statements | 10-23-27/28-34-39/23/24/25-48/24 |
Safety Statements | 26-28-36/37/39-45 |
RIDADR | UN 2920 3(8) / PGII |
Flash Point(F) | 80.6 °F - closed cup |
Flash Point(C) | 27 °C - closed cup |
Density | 0.866 g/mL at 25 °C |
UNSPSC | 12352100 |