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                                         Glycol Ethers Coating Solvents...
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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)3

                                      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)

                                      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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