Electronic Chemicals
  Developer TMAH
Quaternary ammonium alkali
  TMAH pentahydrate
  Industrial grade TMAH
  Tetraethylammonium hydroxide(TEAOH)
  Tetrapropylammonium hydroxide(TPAOH)
  Tetrabutylammonium hydroxide(TBAOH)
  Benzyltrimethylammonium hydroxide
Quaternary ammonium salt
  Tetramethylammonium chloride(TMACl)
  Tetraethylammonium chloride(TEACl)
  Tetrapropylammonium chloride(TPACl)
  Tetrabutylammonium chloride(TBACl)
  Benzyltrimethylammonium Chloride
  Tetramethylammonium bromide(TMABr)
  Tetraethylammonium bromide(TEABr)
  Tetrapropylammonium bromide(TPABr)
  Tetrabutylammonium bromide(TBABr)
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 Tetramethylammonium Hydroxide PentahydrateTMAH

 

Basic characteristics

C.A.S.No.

10424-65-4

Appearance

Solid

Molecular formula

(CH3)4NOH·5H2O

Melting point ℃

67-70

Molecular weight

181.23

pH

12.9 (1 wt % solution)

 

Physical properties

Item

Unit

 

Assay

%

≥98

Carbonate

%

≤1.0

Chloride ion

ppm

≤10

 

Application

Usage

Widely used as catalyst in organic silicon industry. 

Storage

Stored in sealed containers,placed in the shad

Package

25 kg cardboard drum, 250 g jar or custom

Transport Information

Hazard classification: 8    UN 3423

 



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