Tetramethylammonium Hydroxide 25 % Solution in Water
Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with the molecular formula N(CH3)4+ OH−, and is one of the simplest members of this class of organic compounds. This substance is known in a (relatively) stable solid form only as the pentahydrate. Commercially, the forms in which TMAH is most commonly encountered are as concentrated solutions in water or methanol.Tetramethylammonium hydroxide is used to produce tetramethyl-ammonium azide. It is used as an anisotropic etchant of silicon, as a basic solvent in the development of acidic photoresist in photolithography process, as a surfactant in the synthesis of ferrofluid and as a polarographic reagent. It finds application in the production of organic silicon, where it is used for computer silicon wafer surface brighteners and as a cleaning agent. It is also involved in the purification of some metallic elements.
Product Details
| Category |
Biochemicals & Diagnostics |
|---|---|
| Price | POA |
| CAS Number | 75-59-2 |
| Formula | (CH3)4N(OH) |
| Molecular Weight | 91.15 |
| Purity | 98.0% |
| Appearance | straw coloured |
| Availability | In Stock |
| Storage Conditions | Room temperature |
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