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 Glycol Ethers Coating Solvents... |
Block Polyethers |
Surfactant Series |
Non-toxic Plasticizers and... |
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| Ethylene glycol monomethyl ether series (EM, DEM, TEM) |
Item |
Ethylene glycol monomethyl ether (EM) |
Di-ethylene glycol monomethyl ether (DEM) |
Triethylene glycol monomethyl ether (TEM) |
CAS |
109-86-4 |
111-77-3 |
112-35-6 |
Molecular formula |
CH3OCH2CH2OH |
CH3OCH2CH2OCH2CH2OH |
CH3O(C2H4O)3H |
Appearance |
Colorless and clear liquid |
Colorless and clear liquid |
Colorless and clear liquid |
Purity(GC)%≥ |
99.5 |
99.0 |
98.0 |
Distillation range(℃/760mmHg) |
122.5-127.0 |
191.0-198.0 |
230.0-250.0 |
Moisture(KF) %≤ |
0.1 |
0.1 |
0.1 |
Acidity |
0.01 |
/ |
/ |
Specific gravity(d420) |
0.965±0.005 |
1.018±0.005 |
1.049±0.005 |
Color(Pt-Co)≤ |
10 |
15 |
30 |
Content of metal ion≤ |
10ppb(for special requirements ≤1ppb)
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10ppb(for special requirements ≤1ppb) |
10ppb(for special requirements ≤1ppb) |
Package and transportation |
190 or 200KGS/Drum Hazardous chemical |
200KGS/Drum Common chemical |
200KGS/Drum Common chemical |
Application:
Ethylene glycol monomethyl ether series, a kind of electronic industry solvent with excellent performance, is widely used LCD photo-resistance diluent in the production of LCD and optical resist, photo-resist remover, stripping agent, detergent for IC, photo resist-removing buffer solution, corrosive processing and other chemicals requiring special specification; also widely applied as solvent for electronic material production.
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