4-OXOPENTANOIC ACID

PRODUCT IDENTIFICATION
CAS NO. 123-76-2

4-OXOPENTANOIC ACID

EINECS NO. 204-649-2
FORMULA CH3COCH2CH2COOH
MOL WT. 116.12
H.S. CODE
2918.30
TOXICITY Oral rat LD50: 1850mg/kg
SYNONYMS 3-Ketobutane-1-carboxylic acid; 3-Acetyl propionic acid;
Gamma-ketovaleric acid; Levulic acid; Gamma-oxopentanoic acid; Levulinic acid; 4-Ketovaleric acid; beta-Acetylpropionic acid; 4-Oxovaleriansäure (German); ácido 4-oxovalérico (Spanish); Acide 4-oxovalérique (French);
SMILES  

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE colorless to brown liquid or solid
MELTING POINT 33 - 35 C
BOILING POINT 245 - 246 C
SPECIFIC GRAVITY 1.134
SOLUBILITY IN WATER  

SOLVENT SOLUBILITY

 soluble in alcohol, ether, and chloroform
AUTOIGNITION  
pH  
VAPOR DENSITY  
NFPA RATINGS  

REFRACTIVE INDEX

 1.438 - 1.442
FLASH POINT

137 C

STABILITY Stable under ordinary conditions. Oxidizes in light

APPLICATIONS
Levulinic acid, a carboxylic acid containing ketone structure, is a clear to brownish semi-solid melting at 37 C; soluble in alcohol, ether and chloroform. Levulinic acid can be used as an acidulant in foods and beverages. It is used as an intermediate to manufacture synthetic fibers, pharmaceuticals, pesticides. plastics, rubber, and synthetic fibers. It is used in the manufacture perfumery, food additive, fuel additive, herbicide, solder flux, stabilizer and printing ink. Levulinic acid and its esters are used as platicizers and solvents in polymer, textiles and coatings.
SALES SPECIFICATION

APPEARANCE

 colorless to brown liquid or solid
PURITY

99.0% min

COLOR, GARDNER

2 max

CHLORIDE

20ppm max

HEAVY METAL

20ppm max

WATER

1.0% max

TRANSPORTATION
PACKING

40kg, 200kg in plastic drum.

HAZARD CLASS  
UN NO.

 

OTHER INFORMATION
FEMA Number: 2627
Hazard Symbols: XN, Risk Phrases: 22-36/36/38, Safety Phrases: 26