Melting point :30-33 °C (lit.)
Boiling point :245-246 °C (lit.)
Density :1.134 g/mL at 25 °C (lit.)
vapor pressure :1 mm Hg ( 102 °C)
refractive index :n20/D 1.439(lit.)
FEMA :2627 | LEVULINIC ACID
Flash point :280 °F
storage temp. :Store below +30°C.
solubility :675g/l
form :Liquid After Melting
pka :pKa 4.65(H2O,t = 25,c=0.03-0.001) (Uncertain)
color :Clear yellow
Odor :at 100.00 %. sweet caramel acidic acetoin buttery
Odor Type :caramellic
Water Solubility :Soluble in water ( 675g/L at 20°C).
Sensitive :Light Sensitive
Merck :14,5472
JECFA Number :606
BRN :506796
InChIKey :JOOXCMJARBKPKM-UHFFFAOYSA-N
LogP :-0.498
CAS DataBase Reference :123-76-2(CAS DataBase Reference)
NIST Chemistry Reference :Pentanoic acid, 4-oxo-(123-76-2)
EPA Substance Registry System :Levulinic acid (123-76-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.