Diethyl ether is a highly volatile and flammable organic solvent. On storing for a long time, DEE can form organic peroxides, which can be suppressed by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT scavenges the free radicals required for the peroxide formation.
Synonyms: DEE; Ether; Ethyl ether
Molecular Formula: C4H10O
Molecular Weight: 74.12
Linear Structural Formula: (CH3CH2)2O
MDL Number: MFCD00011646
Purity: >=99.7%
Melting Point: -116 C (lit.)
Density: 0.706 g/mL at 25 C (lit.)
Refractive Index: n20/D 1.3530 (lit.)
Application: Diethyl ether has been used as a solvent for the preparation of 3-formyl-2,2,5,5-tetramethyl-1-oxy-pyrroline from 3-(N-methoxy-N-methylcarbamoyl)-2,2,5,5-tetramethyl-1-oxy-pyrroline using DIBAL.
RTECS: KI5775000
RIDADR: UN1155 - class 3 - PG 1 - Diethyl ether
WGK Germany: 1
Flash Point(F): -40 F
Flash Point(C): -40 C
R Codes: 12-19-22-66-67
S Codes: 9-16-29-33
IOD Codes: F+,Xn
Symbol: GHS02, GHS07
Signal Word: Danger
Hazard Statements: H224-H302-H336
Precautionary statements: P210-P261