万象城体育

SZSE：002741
万象城体育:
Ethylene glycol dimethyl ether 万象城体育:COA Report
  • CAS No.：110-71-4
  • Molecular weight：90.12
  • Molecular formula：C4H10O2
  • UN Code：2252
  • EC No.：203-794-9
  • HS-No：29091990
Information
Specification category：
Product No. Product name specifications
1.17398.023 Ethylene glycol dimethyl ether AR500mL
Characteristic： Appearance and properties:Colorless liquid, slightly ether.
Relative density(water=1) :0.87
Relative vapor density(air=1):3.11
Melting point(℃):-69
Boiling point(℃):83
Concentration:pure product
Saturated vapor pressure:6.40(20℃)
Solubility:Soluble in water, hydrocarbon.
Combustion heat(kJ/mol):2516.7
Critical temperature(℃):362
Critical pressure(MPa):3.87
Technical indicators：
Item AR CP
Assay(C4H10O2) ≥99.0% ≥98.0%
Density(20℃),g/mL 0.865～0.868 0.865～0.868
Refractive index(n20D) 1.379～1.382 1.379～1.382
Boiling point,℃ 84～86 84～86
Solubility test in water Pass Pass
Solubility test in ethanol Pass Pass
Residue on evaporation ≤0.005% ≤0.005%
Acidity and alkalinity Pass Pass
Peroxide(as H2O2) ≤0.005% ≤0.005%
Water ≤0.2% ≤0.5%
Hazard characteristics： IATA-DGR UN 2252 1,2-DIMETHOXYETHANE,3,Ⅱ
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