Ethyl Ether
Solvent Properties

CAS 60-29-7

Physical Properties  
Molecular weight 74.12
Boiling point 34.55C
Vapor pressure 442 Torr at 20C
Freezing point -117.4C
Refractive index 1.3524 at 20C
Density 0.7133 g/mL (5.952 lb/gal) at 20C
  0.7076 g/mL (5.905 lb/gal) at 25C
Dielectric constant 4.33 at 20C
Dipole moment 1.15 D at 20C
Solvent group 1
Polarity index (P') 2.8
Eluotropic value on alumina 0.38
Viscosity 0.24 cP at 20C
Surface tension 17.06 dyn/cm at 20C
Solubility in water 6.89% at 20C
Solubility of water in ethyl ether 1.26% at 20C
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group I
UN Identification Number UN1155
Storage Store in an area designed for flammable storage, or in an approved metal cabinet, away from direct sunlight, heat and sources of ignition.
EPA applicable waste code(s) D001, U117, F003
Flash point -49F (-45C) by closed cup
Lower explosive limit 1.9%
Upper explosive limit 36.0%
Time Weighted Average 400 ppm ACGIH
Peroxide hazard Check for presence of peroxides before concentrating

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