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Tetramethyl ammonium Hydroxide TMAH-99

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Tetramethyl ammonium Hydroxide TMAH-99
Tetramethyl ammonium Hydroxide
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Model
TMAH-99
MOQ
500kg
Payment
L/C, D/A, D/P, T/T, Western Union, MoneyGram, OA
Place of Origin
China Anhui
Brand
sinogracechist
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Tetramethyl ammonium Hydroxide Aqueous TMAH-99

Typical Properties

CAS No.

10424-65-4

Chemical formula

(CH3)4NOH·5H2O

Molecular weight

181.15

Melting Point()

63

Form

White solid powder

Purity (%)

>99.9

Boiling Point ()

100.0

Freezing point ()

<-25.0

Viscosity@ 25, cst

2.8

Specific Gravity @ 20

1.021

Flashpoint (Pensky Martens), °F

>95

pH

>13


Key Features

APPLICATION

  1. 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.
  2. Ash-free alkali for precipitating lots of metal elements.
  3. Brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer.

 

Widely used in electronic industry, especially as positive resister developer, silicon wafer wet etchant and super clean solution for CMP process. Also used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components.

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