2,4-Hexanedione Structure

2,4-Hexanedione

Chemical Properties

Melting point 240-241℃
Boiling point 161℃
Density  0.936±0.06 g/cm3 (20 ºC 760 Torr)
refractive index  1.47686 (14.9℃)
Flash point 53.6±16.8℃
storage temp.  2-8°C
pka pK1:8.49(enol);9.32(keto) (25°C)
Appearance Colorless to light yellow Liquid
LogP 0.779 (est)
CAS DataBase Reference 3002-24-2
EWG's Food Scores 1
FDA UNII FMD32E86EP
EPA Substance Registry System 2,4-Hexanedione (3002-24-2)

Safety

Symbol(GHS) Flame (GHS02)Exclamation Mark (GHS07)
Signal wordDanger
Hazard statements H225-H315-H319-H335
Precautionary statements P261-P305+P351+P338
RIDADR  1224
TSCA  TSCA listed
HazardClass  3.2
PackingGroup  III
HS Code  2914199090

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2,4-Hexanedione Spectrum