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Electronic Grade Tetramethylammonium Hydroxide
Product: Views:287Electronic Grade Tetramethylammonium Hydroxide 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-06-26 03:27
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Electronic Grade Tetramethylammonium Hydroxide (TMAH)
(Developer TMAH)25.0%、20.0%、2.380%
C.A.S.No. 75-59-2 Freezing point℃ <-25.0
Structural Formula (CH3)4NOH Viscosity25℃,cst 2.8
Molecular Weight 91.15 Specific gravity @ 60 ℉ 1.022
Phase liquid Flash point ℉ >200
Boiling point,℃ 100 PH >13

Item Unit RJ-25(MAX) RJ-20(MAX) RJ-2.380(MAX)
Assay % 24.90~25.10 19.90~20.10 2.377~2.383
Color Scale Hazen 5 5 5
CO32-(Carbonate) ppm 100 100 10
Cl-(Chloride) ppm 0.1 0.1 0.1
CH3OH(Methanol) ppm 40 40 10
Li(Lithium) ppb 5 5 1
Na(Sodium) ppb 10 10 1
Mg(Magnesium) ppb 5 5 1
Al(Aluminum) ppb 10 10 1
K(Potassium) ppb 10 10 1
Ca(Calcium) ppb 10 10 1
Cr(Chromium) ppb 5 5 1
Mn(Manganese) ppb 5 5 1
Fe(Iron) ppb 5 5 1
Ni(Nickel) ppb 5 5 1
Co(Cobalt) ppb 5 5 1
Cu(copper) ppb 5 5 1
Zn(Zinc) ppb 5 5 1
Mo(Molybdenum) ppb 5 5 1
Cd(Cadmium) ppb 5 5 1
Pb(Lead) ppb 5 5 1
Ag(Silver) ppb 5 5 1
Particle≥0.5μm Ea/ml 100 100 100

Useage Widely used as a developer in TFT-LCD panel
Storage Kept in sealed container in shade
Package 1000Kg IBC drum,Tank or gallon drum
Shipping Information Hazard class:8 UN 1835
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