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CAS No 123-76-2 , 4-oxopentanoic acid Search by region : France

  • Name: 4-oxopentanoic acid
  • Synonyms: Laevulinic acid; gamma-Ketovaleric acid; Pentanoic acid;4-Oxopentanoic acid; 4-oxo-; 123-76-2; Levulic acid; 4-Oxovaleric acid;4-oxopentanoic acid;
  • CAS Registry Number:
  • Transport: 3261
  • Melting Point: 33-35 ºC
  • Flash Point: 137 ºC
  • Boiling Point: 245-246 ºC
  • Density: 1.13
  • Refractive index: 1.4396-1.4426
  • Safety Statements: R22;R34
  • Hazard Symbols: C: Corrosive;
  • HS Code: 29183000
  • Flash Point: 137 ºC
  • EINECS: 204-649-2
  • Molecular Weight: 116.11522
  • InchiKey: JOOXCMJARBKPKM-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H8O3/c1-4(6)2-3-5(7)8/h2-3H2,1H3,(H,7,8)
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C5H8O3
  • Molecular Structure:CAS No:123-76-2 4-oxopentanoic acid

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123-76-2 PENTANOIC ACID, 4-OXO- (9CI)

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References of 4-oxopentanoic acid
Title: Levulinic Acid
CAS Registry Number: 123-76-2
CAS Name: 4-Oxopentanoic acid
Synonyms: laevulinic acid; b-acetylpropionic acid
Molecular Formula: C5H8O3
Molecular Weight: 116.12
Percent Composition: C 51.72%, H 6.94%, O 41.33%
Line Formula: CH3COCH2CH2COOH
Literature References: Laboratory procedure from starch or cane sugar by boiling with HCl: McKenzie, Org. Synth. coll. vol. I, 335 (1941). Produced commercially from low grade cellulose. By-product of furfural manuf. Extensive review: Leonard, Ind. Eng. Chem. 48, 1331 (1956).
Properties: Plates or leaflets (commercial product is yellow), mp 33-35°. bp 245-246°. d 1.1447. nD16 1.442. Freely sol in water, alcohol, ether; essentially insol in aliphatic hydrocarbons. Protect from light.
Melting point: mp 33-35°
Boiling point: bp 245-246°
Index of refraction: nD16 1.442
Density: d 1.1447
 
Derivative Type: Phenylhydrazone
Trademarks: Antithermin
Molecular Formula: C11H14N2O2
Molecular Weight: 206.24
Percent Composition: C 64.06%, H 6.84%, N 13.58%, O 15.52%
Properties: Leaflets, mp 108°. Slightly sol in cold water, more sol in hot water; freely sol in alcohol, chloroform, ether, dil acids.
Melting point: mp 108°
 
Use: In organic syntheses; in the manuf of nylon, synthetic rubbers, plastics, and medicinals.