99% TMAH crystal powder Tetramethylammonium hydroxide pentahydrate cas 10424-65-4
Chemical Name: Tetramethylammonium Hydroxide pentahydrate
Synonyms : TMAH crystal; Tetramethylammonium Hydroxide(TMAH); Tetramethylammonium hydroxide TMAH pentahydrate
CAS No.: 10424-65-4
Molecular Formula: C4H23NO6
Appearance: Colorless needlelike crystals
Purity : 99%min
Organic strong base, polarographic test support liquid;
Photoresist etching agent for electronic industry;
Silicone industry,
self - elimination alkali catalysts and others
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Item
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Index
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Appearance
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Colorless needlelike crystals
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Alkali content（％）≥
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46.5
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Carbonate（％） ≤
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1.0
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Purity (%）≥
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99.0
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25kg/bag or carton drum
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