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Online Edition: "Specifications for Flavourings"

Flavouring 3-Methyl-2-(3-methylbut-2-enyl)-furan
Synonym(s) Rosefuran;2-(3-Methyl-2-butenyl)-3-methylfuran
Latest JECFA evaluation 2018 (Session 86)
Status of specification Full
Chemical name 3-Methyl-2-(3-methylbut-2-enyl)furan
JECFA number 1494
CAS number 15186-51-3
FEMA number 4174
COE number
FLAVIS number 13.148
Molecular weight 150.22
Chemical formula C10H14O
Physical form/odour Colourless liquid; Caramel aroma
Solubility Slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 70° (11 mm Hg)
Assay min % 98%
Acid value max 1
Refractive index 1.473-1.479
Specific gravity 0.998-1.004
Other requirements
ID Test MS