Stable. Flammable. Incompatible with strong oxidizing agents, strong acids.
InChIKey
WGTYBPLFGIVFAS-UHFFFAOYSA-M
CAS DataBase Reference
75-59-2(CAS DataBase Reference)
EPA Substance Registry System
Tetramethylammonium hydroxide (75-59-2)
Tetramethylammonium hydroxide Usage And Synthesis
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, and corrosive to metals and tissue.
Chemical Properties
colourless to yellow liquid
Uses
Industry
Application
Role/benefit
Organic silicon
Production of dimethyl silicone oil, organic silicon resin, silicon rubber, etc.
Catalyst/removed easily; no pollution to the products
Chemical analysis
Polarography experiment
Polarographic reagent
Thermochemolysis to study fungal degradation of wood
Analytical reagent
Chemical purification
Removal of metal elements
Ash free alkali/source of base; make the metal elements precipitated
Tetramethylammonium hydroxide is used to produce tetramethyl-ammonium azide. It is used as an anisotropic etchant of silicon, basic solvent in the development of acidic photoresist in photolithography process, as 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 brightener and cleaning agent. It is also involved in the purification of some metallic elements.
Uses
Tetramethylammonium hydroxide solution (25 wt.% solution in water) may be used as a base for pH adjustment to obtain hexagonal mesoporous aluminophosphate (TAP).
General Description
Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate.
Packing &shipping&Payment
Packing:25kg/drum Shipping:by sea or by air Payment:T/T,western union,moneygram Packaging Details drum Port:Tianjin Lead Time :
Quantity(Kilograms)
1 - 10000
>10000
Est. Time(days)
5
To be negotiated
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Japan
Company information
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