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      1. Jiangsu Dynamic Chemical Co., Ltd.
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            1.  
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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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