Levulinic acid(CAS#123-76-2)

Chemical Property:

Molecular Formula	C5H8O3
Molar Mass	116.12
Density	1.134 g/mL at 25 °C (lit.)
Melting Point	30-33 °C (lit.)
Boling Point	245-246 °C (lit.)
Flash Point	280°F
JECFA Number	606
Water Solubility	Soluble in water ( 675g/L at 20°C).
Solubility	675g/l
Vapor Presure	1 mm Hg ( 102 °C)
Appearance	White crystal
Color	Clear yellow
Merck	14,5472
BRN	506796
pKa	pKa 4.65(H2O,t = 25,c=0.03-0.001) (Uncertain)
Storage Condition	Store below +30°C.
Sensitive	Light Sensitive
Refractive Index	n20/D 1.439(lit.)
MDL	MFCD00002796
Physical and Chemical Properties	Character: white flaky crystal with hygroscopicity. melting point 37.2 ℃ boiling point 139~140 ℃ relative density 1.1335 refractive index 1.4396 soluble in water and alcohol, ether organic solvents.
Use	Used as raw materials for medicines, spices, coatings, and as solvents

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Product Detail

Product Tags

Risk Codes	R22 – Harmful if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R34 – Causes burns
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
UN IDs	3261
WGK Germany	3
RTECS	OI1575000
TSCA	Yes
HS Code	29183000
Hazard Class	8
Packing Group	III
Toxicity	LD50 orally in Rabbit: 1850 mg/kg LD50 dermal Rabbit > 5000 mg/kg

Introduction

Sensitive to light. It’s hygroscopic. Distillation under normal pressure hardly decomposes, and long-term heating loses water molecules to form unsaturated γ-lactone. Easily soluble in water, alcohols and ethers, almost insoluble in aliphatic hydrocarbons. Low toxicity, half lethal dose (rat, oral) 1850mg/kg.

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