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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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