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  • Tetramethyl ammonium hydroxide
    Tetramethyl ammonium hydroxide 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 (%):                                          >99.5 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 Application -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. -Ash-free alkali for precipitating lots of metal elements. 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. Storage and handling Available in 25 kg/drum Store products in tightly closed original containers at 5-40℃ Shelf life: 12 months from delivery date According to non-dangerous goods transport
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  • Tetramethyl ammonium hydroxide aqueous
    CAS No. 75-59-2/10424-65-4 Tetramethyl ammonium hydroxide aqueous TMAH-238
    Typical Properties CAS No. 75-59-2/10424-65-4 Chemical formula (CH3)4NOH·5H2O Appearance Colorless transparent liquid Specific Gravity @ 20℃ 1.021 Item Unit Min Max Assay % 2.378 2.382 Color Hazen   5 CO32-     (Carbonate) ppm   80 Cl-       ( Chloride ) ppm   0.1 CH3OH (Methanol) ppm   40 Li (Lithium) ppb   5 Na (Sodium) ppb   10 Mg (Magnesium) ppb   5 Al (Aluminum) ppb   10 K (Potassium) ppb   10 Ca (Calcium) ppb   10 Cr (Chromium) ppb   5 Mn (Manganese) ppb   5 Fe (Iron) ppb   5 Ni (Nickel) ppb   5 Co (Cobalt) ppb   5 Cu (Copper) ppb   5 Zn (Zinc) ppb   5 Mo (Molybdenum) ppb   5 Cd (Cadmium) ppb   5 Pb (Lead) ppb   5 Ag (Silver) ppb   5 Particle >0.5um Ea/ml   100 Application  -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. Storage and handling  -Available in 25 kg/barrel  -Store products in tightly closed original containers at 5-40℃  -Shelf life: 12 months from delivery date  -According to non-dangerous goods transport
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  • Tetramethyl ammonium hydroxide aqueous
    Tetramethyl ammonium hydroxide aqueous TMAH-25
    Typical Properties CAS No. 75-59-2/10424-65-4 Chemical formula (CH3)4NOH·5H2O Appearance Colorless transparent liquid Specific Gravity @ 20℃ 1.021 Item Unit Min Max Assay % 24.90 25.10 Color Hazen   5 CO32-     (Carbonate) ppm   100 Cl-       ( Chloride ) ppm   0.1 CH3OH (Methanol) ppm   40 Li (Lithium) ppb   5 Na (Sodium) ppb   10 Mg (Magnesium) ppb   5 Al (Aluminum) ppb   10 K (Potassium) ppb   10 Ca (Calcium) ppb   10 Cr (Chromium) ppb   5 Mn (Manganese) ppb   5 Fe (Iron) ppb   5 Ni (Nickel) ppb   5 Co (Cobalt) ppb   5 Cu (Copper) ppb   5 Zn (Zinc) ppb   5 Mo (Molybdenum) ppb   5 Cd (Cadmium) ppb   5 Pb (Lead) ppb   5 Ag (Silver) ppb   5 Particle >0.5um Ea/ml   100 APPLICATION l  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. l  Ash-free alkali for precipitating lots of metal elements. l  Brightener cleaner and touch cutting agent for computer silicon wafer surface during the production of silicon wafer. l  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. Storage and Handling l  Available in 25 kg/barrel l  Store products in tightly closed original containers at 5-40℃ l  Shelf life: 12 months from delivery date l  According to non-dangerous goods transport
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