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Tetramethylammonium hydroxide TMAH crystals CAS 10424-65-4
  • CAS No.:

    10424-65-4
  • Molecular Formula:

    C4H23NO6
  • Quality Standard:

    98%
  • Packing:

    25kg/drum
  • Mininmum Order:

    25kg

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  • Product Details

Buy Tetramethylammonium hydroxide TMAH CAS 10424-65-4 or 75-59-2 from TNJ Chemical, China leading Tetramethylammonium hydroxide TMAH suppliers, factory & manufacturers. If you want to buy Tetramethylammonium hydroxide TMAH from China, please mail to sales@tnjchem.com


Product name:  Tetramethylammonium hydroxide pentahydrate 98% or solution

CAS RN:           Crystal = 10424-65-4   Aqueous solution75-59-2


Property

It is a white crystals (generally contains 3 or 5 crystal waters in each molecular). Easily deliquesces and absorbs carbon dioxide in air. Decomposed into methanol and trimethylamine at 130℃. Normally made 10%、25%, solution in water and crystalline. Strong organo-alkali. A supporting electrolyte in polarography , a developer for photoresists, and no residue catalyst in organosilicon polymerization processes. 


Specifications (crystal)

Assay, %                  ≥ 98%

Alkali content(%)   ≥ 46.5

Carbonate(%)        ≤ 1.5

Appearance        White needlelike crystals

* If you need more information on crystals or aqueous solution, please contact us)


Application

1.In the organic silicones, it is used as the catalyst of Dimethyl silicone oil, benzyl methyl silicon oil, organic silicon diffusion pump oil, solvent-free silicon molding plastics, silicon rubber for organic silicone resin. Use Tetramethylammonium hydroxide as catalyst, the advantage is when heating after reaction, it can be decomposed into gas, this gas doesn't remain in the product.

2. In the analysis, it is used as polarographic reagent.

3. In the product's purification, it is used as ash-free alkali for precipitating lots of metal elements.

4. It is usually used as brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer.


Packing

Crystal:   5kg/bag, 5bags(25kg)/drum

Liquid:    25kg/iron drum
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