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Levulinic acid Structure

Levulinic acid

Chemical Properties

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
Substances Added to Food (formerly EAFUS) LEVULINIC ACID
FDA 21 CFR 172.515
CAS DataBase Reference 123-76-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII RYX5QG61EI
NIST Chemistry Reference Pentanoic acid, 4-oxo-(123-76-2)
EPA Substance Registry System Levulinic acid (123-76-2)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H317-H318
Precautionary statements P261-P264-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,C
Risk Statements  22-36/37/38-34-R34-R22
Safety Statements  26-45-36/37/39-S45-S36/37/39-S26
RIDADR  3261
WGK Germany  3
RTECS  OI1575000
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29183000
Toxicity LD50 orally in Rabbit: 1850 mg/kg LD50 dermal Rabbit > 5000 mg/kg
NFPA 704:
1
3 1

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