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Online Edition: "Specifications for Flavourings"

Flavouring Maltol
Synonym(s) Larixinic acid;INS No. 636;2-Methylpyromeconic acid
Latest JECFA evaluation 2018 (Session 86)
Status of specification Full
Chemical name 3-Hydroxy-2-methyl-4-pyrone
JECFA number 1480
CAS number 118-71-8
FEMA number 2656
COE number
FLAVIS number 07.014
Molecular weight 126.11
Chemical formula C6H6O3
Physical form/odour White crystalline powder; Caramel-butterscotch aroma
Solubility Sparingly soluble in water, soluble in propylene glycol
Solubility in ethanol Soluble
Boiling point (°C)
Assay min % 99% (anhydrous basis)
Acid value max
Refractive index
Specific gravity
Other requirements m.p. = 162°