Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 4-Methyl-2,3-pentanedione
Synonym(s) Acetyl isobutyryl
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-Methylpentane-2,3-dione
JECFA number 411
CAS number 7493-58-5
FEMA number 2730
COE number 2043
FLAVIS number
Molecular weight 114.14
Chemical formula C6H10O2
Physical form/odour yellow oil
Solubility in ethanol
Boiling point (°C) 116°
Assay min % 96%
Acid value max
Refractive index 1.397-1.405
Specific gravity 0.941-0.950 (20°)
Other requirements Melting point: - 2.4°
ID Test MS