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Online Edition: "Specifications for Flavourings"

Flavouring delta-Octadecalactone
Synonym(s) Octadecanoic acid, 5-hydroxy-, delta-lactone;2H-Pyran-2-one, tetrahydro-6-tridecyl-;delta-Stearolactone;5-Octadecanolide
Latest JECFA evaluation 2010 (Session 73)
Status of specification Full
Chemical name 6-tridecyltetrahydro-2H-pyran-2-one
JECFA number 1999
CAS number 1227-51-6
FEMA number 4447
COE number
FLAVIS number
Molecular weight 282.46
Chemical formula C4H4O2
Physical form/odour Clear waxy solid; Weak fatty waxy aroma
Solubility Practically insoluble or insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) NA
Assay min % 95%
Acid value max 10
Refractive index NA
Specific gravity NA
Other requirements m.p. = 33-39°
ID Test MS