DIETHYL ETHER
Prepared at the 55th JECFA (2000) and published in FNP 52 Add 8 (2000), superseding tentative specifications prepared at the 37th JECFA (1990) and published in FNP 52 (1992). No ADI was allocated at the 37th JECFA (1990).
Warning: Determination to be made only after ensuring that the sample complies with the test for peroxides. It is dangerous to distil or evaporate
Diethylether which does not comply with the Test for peroxides (see Volume 4).
SYNONYMS Ether, Ethyl ether
DEFINITION Diethyl ether normally contains appropriate stabilizers such as pyrogallol or BHT. Manufacturers should indicate on the label the specific stabilizer(s) used and the amount added. Typical levels are in the range of 3-7 mg/l.
Chemical names Diethyl ether, diethyl oxide, 1,1'-oxybisethane
C.A.S. number 60-29-7
Chemical formula C4H10O
Formula weight 74.12
DESCRIPTION Colourless, clear, very mobile liquid, with a characteristic odour; very volatile and flammable.
FUNCTIONAL USESExtraction solvent
