Electronic Grade Tetramethylammonium Hydroxide
2017-08-05 10:18 Visit:54
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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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