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Online Edition: "Specifications for Flavourings"

Flavouring sec-Butyl ethyl ether
Synonym(s) Ethyl sec-butyl ether
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 2-Ethoxybutane
JECFA number 1231
CAS number 2679-87-0
FEMA number 3131
COE number
FLAVIS number 03.005
Molecular weight 102.18
Chemical formula C6H14O
Physical form/odour Colourless liquid
Solubility Insoluble in water
Solubility in ethanol soluble
Boiling point (°C) 81°
Assay min % 99%
Acid value max 1
Refractive index 1.378-1.383
Specific gravity 0.748-0.753 (20°)
Other requirements
ID Test NMR
Spectrum