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Electronic Grade Tetramethylammonium Hydroxide

Electronic Grade Tetramethylammonium Hydroxide
Detailed description

Electronic Grade Tetramethylammonium Hydroxide (TMAH)
(Developer TMAH)25.0%、20.0%、2.380%
C.A.S.No.75-59-2Freezing point℃<-25.0
Structural Formula(CH3)4NOHViscosity25℃,cst2.8
Molecular Weight91.15Specific gravity @ 60 ℉1.022
PhaseliquidFlash point ℉>200
Boiling point,℃100PH>13

ItemUnitRJ-25(MAX)RJ-20(MAX)RJ-2.380(MAX)
Assay%24.90~25.1019.90~20.102.377~2.383
Color ScaleHazen555
CO32-(Carbonate)ppm10010010
Cl-(Chloride)ppm0.10.10.1
CH3OH(Methanol)ppm404010
Li(Lithium)ppb551
Na(Sodium)ppb10101
Mg(Magnesium)ppb551
Al(Aluminum)ppb10101
K(Potassium)ppb10101
Ca(Calcium)ppb10101
Cr(Chromium)ppb551
Mn(Manganese)ppb551
Fe(Iron)ppb551
Ni(Nickel)ppb551
Co(Cobalt)ppb551
Cu(copper)ppb551
Zn(Zinc)ppb551
Mo(Molybdenum)ppb551
Cd(Cadmium)ppb551
Pb(Lead)ppb551
Ag(Silver)ppb551
Particle≥0.5μmEa/ml100100100

UseageWidely used as a developer in TFT-LCD panel
StorageKept in sealed container in shade
Package1000Kg IBC drum,Tank or gallon drum
Shipping InformationHazard class:8 UN 1835
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