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Tetramethylammonium hydroxide solution

SIAL/334901 - 25 wt. % in methanol

Synonym: N,N,N-trimethyl-methanaminium hydroxide; TMAH; TMAOH

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
Catalog Number PKG Qty. Price Quantity
45-334901-100ML 100 mL
 $60.40
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45-334901-4X100ML 100 mL
 $234.00
4/EA		 Add To Favorites
45-334901-500ML 500 mL
 $147.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 334901-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 334901-500ML.

 

concentration 25 wt. % in methanol
density 0.866 g/mL at 25 °C
form liquid
functional group amine
impurities ≤10% water
  ≤2% chloride
InChI 1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
InChI key WGTYBPLFGIVFAS-UHFFFAOYSA-M
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 strong base used in the o-alkylation of phenolic and carboxylic OH groups.

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 GHS02GHS05GHS06GHS08GHS09GHS02GHS05GHS06GHS08GHS09  GHS02,GHS05,GHS06,GHS08,GHS09,GHS02,GHS05,GHS06,GHS08,GHS09
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

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