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Online Edition: "Specifications for Flavourings"

Flavouring 2,3-Heptanedione
Synonym(s) Acetyl valeryl;Valeryl acetyl;Acetyl pentanoyl
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name Heptane-2,3-dione
JECFA number 415
CAS number 96-04-8
FEMA number 2543
COE number 2044
FLAVIS number
Molecular weight 128.17
Chemical formula C7H12O2
Physical form/odour yellowish liquid
Solubility slightly soluble in water; soluble in alcohol
Solubility in ethanol
Boiling point (°C) 62° (20 mm Hg)
Assay min % 97.0%
Acid value max
Refractive index 1.413-1.416
Specific gravity 0.917-0.923
Other requirements
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