| | Identification | More |  | [Name] 
 4-Hydroxy-2(5H)-furanone
 |  | [CAS] 
 541-57-1
 |  | [Synonyms] 
 4-HYDROXY-2,5-DIHYDROFURAN-2-ONE
 4-HYDROXY-2(5H)-FURANONE
 4-HYDROXYFURAN-2(5H)-ONE
 BETA-TETRONIC ACID
 Tetronicacid,beta-
 4-Hydroxy-2,5-dihydrofuran-2-one98%
 B-Tetronic acid
 4-HYDROXY-2(5H)-FURANONE 98%
 5-Hydroxyfuran-3-one
 |  | [EINECS(EC#)] 
 208-785-3
 |  | [Molecular Formula] 
 C4H4O3
 |  | [MDL Number] 
 MFCD00052187
 |  | [Molecular Weight] 
 100.07
 |  | [MOL File] 
 541-57-1.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 light yellow-beige crystalline powder
 |  | [Melting point ] 
 135-137 °C
 |  | [Boiling point ] 
 316.03°C
 |  | [density ] 
 1.5510
 |  | [refractive index ] 
 1.4688 (estimate)
 |  | [storage temp. ] 
 2-8°C
 |  | [form ] 
 Crystalline Powder
 |  | [pka] 
 3.55±0.10(Predicted)
 |  | [color ] 
 Light yellow-beige
 |  | [Water Solubility ] 
 soluble
 |  | [BRN ] 
 108442
 |  | [CAS DataBase Reference] 
 541-57-1(CAS DataBase Reference)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S24/25:Avoid contact with skin and eyes .
 |  | [Hazard Note ] 
 Irritant
 |  | [HazardClass ] 
 IRRITANT
 |  | [HS Code ] 
 29321900
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 light yellow-beige crystalline powder
 |  | [Uses] 
 β-Tetronic Acid is a useful reagent in preparation of hydroxylated piperidine alkaloids.
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