CAS 60-29-7: Diethyl Ether (C4H10O)

Identity

CAS Number60-29-7
Molecular FormulaC4H10O
IUPAC Nameethoxyethane
Molecular Weight74.12 g/mol
SMILESCCOCC
Synonymsethyl ether, ether, diethyl oxide, Et2O

2D Structure

Physical Properties

Density0.713 g/mL at 25°C
Boiling Point34.6°C
Melting Point-116.3°C
Flash Point-45.0°C
Vapor Pressure58.9 kPa at 20°C
Refractive IndexnD = 1.353
Dielectric Constantε = 4.3

Safety & GHS Classification

FlammableIrritant

Storage: EXTREME FIRE HAZARD — store in explosion-proof refrigerator. Forms explosive peroxides upon prolonged storage — test for peroxides before distillation. Never open near ignition sources. Vapor is heavier than air and can travel to ignition sources. Use in fume hood only.

Material Compatibility Matrix

Plastics

MaterialRating
PTFEExcellent
PVCPoor
PEGood
PPGood
PEEKExcellent
PVDFGood

Rubbers

MaterialRating
VitonSevere Effect
NBRSevere Effect
EPDMSevere Effect
SiliconePoor
FKMSevere Effect

Metals

MaterialRating
Stainless 316Excellent
AluminumExcellent
CopperExcellent
BrassExcellent

Applications

External References: PubChem

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