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Online Edition: "Specifications for Flavourings"

Flavouring Ethyl octadecanoate
Synonym(s) Ethyl stearate
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name Ethyl octadecanoate
JECFA number 40
CAS number 111-61-5
FEMA number 3490
COE number 745
FLAVIS number
Molecular weight 312.54
Chemical formula C20H40O2
Physical form/odour Colourless, odourless mass
Solubility Soluble in ethanol and oils, insoluble in water
Solubility in ethanol
Boiling point (°C) 105° at 11mm Hg
Assay min % 89% (min. 96% ethyl esters of octadecanoate, palmitic and other fatty acids)
Acid value max 1
Refractive index 1.420-1.440
Specific gravity 0.880-0.900
Other requirements Melting point: 33-38°
ID Test IR