Ethylene glycol Cas:107-21-1

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Ethylene glycol

Synonyms:
1,2-dihydroxy ethane
Ethane-1,2-diol
1,2-Ethanediol
1,2-Dihydroxyethane
2-hydroxy ethanol
 
Molecular Formula:  C2H6O2
Molecular weight:62.06780
 
Appearance and Properties: Transparent viscous liquid
Density: 1.220 g/mL at 25 °C
Boiling point: 196-198 °C(lit.)
Melting point: -13 °C(lit.)
Freezing point: -11.5℃
Flash point: 230 °F
Refractive index: n20/D 1.431(lit.)
Water solubility: miscible
 
Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Storage conditions: warehouse ventilated and dry at low temperature

Items of Analysis Standard of Analysis Test Results
Appearance Clear ,Colorless Conform
Specific gravity 1.1151-1.1156 1.1154
Content ≥99.9% 99.95%
Water ≤0.1% 0.01%
Distillation Range 5 vol% ≥196.5℃ 197.2℃
95 vol% ≤199.0℃ 197.5℃
Color ≤5 2
Acidity(as acetic acid) ≤10 ppm 5.39 ppm
Iron ≤0.1 ppm 0.003 ppm
Aldehydes(as formaldehyde) ≤10 ppm 0.61 ppm
Chlorides(as Cl) ≤0.5 ppm 0.03 ppm
Ash ≤10 ppm 2.71 ppm
UV Transmittance 220 nm ≥70% 95.15%
275 nm ≥90% 99.01%
350 nm ≥98% 100.89%
Conclusion Conforms to Factory Standard
 



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