| Identification | More | [Name]
2,2'-Furoin | [CAS]
552-86-3 | [Synonyms]
1,2-DI(2-FURYL)-2-HYDROXYETHAN-1-ONE
2,2'-FUROIN
ALPHA-FUROIN
FUROIN
1,2-Di(2-furyl)-2-hydroxyethanone
1,2-di-2-furanyl-2-hydroxy-ethanon
1,2-di-2-furanyl-2-hydroxyethanone
1,2-di-2-furyl-2-hydroxy-ethanon
Ethanone, 1,2-di-2-furyl-2-hydroxy-
furoylfurylcarbinol
Furoylfu-rylcarbinol
Ketone, 2-furyl alpha-hydroxyfurfuryl
ketone,2-furylalpha-hydroxyfurfuryl
alpha-Furoin,98+%
furylfuroylcarbinol
a,a-Furoin
alpha-furoi
Furoin, GC 98+%
1,2-Bis(furan-2-yl)-2-hydroxyethan-1-one
alpha-Hydroxyketone | [EINECS(EC#)]
209-024-8 | [Molecular Formula]
C10H8O4 | [MDL Number]
MFCD00003246 | [Molecular Weight]
192.17 | [MOL File]
552-86-3.mol |
| Chemical Properties | Back Directory | [Appearance]
LIGHT YELLOW TO LIGHT BROWN AMORPHOUS POWDER | [Melting point ]
134-137 °C(lit.)
| [Boiling point ]
248.14°C (rough estimate) | [density ]
1.0825 (rough estimate) | [refractive index ]
1.4440 (estimate) | [storage temp. ]
Sealed in dry,Room Temperature | [solubility ]
acetone: soluble0.25g/10 mL, clear, colorless to deep brown-yellow | [form ]
powder to crystal | [pka]
11.62±0.20(Predicted) | [color ]
White to Light yellow to Light orange | [BRN ]
383995 | [InChI]
InChI=1S/C10H8O4/c11-9(7-3-1-5-13-7)10(12)8-4-2-6-14-8/h1-6,9,11H | [InChIKey]
MIJRFWVFNKQQDK-UHFFFAOYSA-N | [SMILES]
C(=O)(C1=CC=CO1)C(C1=CC=CO1)O | [CAS DataBase Reference]
552-86-3(CAS DataBase Reference) | [NIST Chemistry Reference]
Ethanone, 1,2-di-2-furanyl-2-hydroxy-(552-86-3) | [EPA Substance Registry System]
552-86-3(EPA Substance) |
| Hazard Information | Back Directory | [Chemical Properties]
LIGHT YELLOW TO LIGHT BROWN AMORPHOUS POWDER | [Uses]
Furoin was used as fluorogenic reagent for the selective and sensitive liquid chromatographic determination of various guanidines. | [Preparation]
2,2'-Furoin is prepared by the condensation of furfural with benzoin under the catalysis of potassium cyanide. 8L of water, 3L of ethanol, and 4kg of furfural were heated to 60-70°C on a water bath, and a solution of 200g potassium cyanide dissolved in 600Chemicalbookml of water was slowly added under stirring. The reaction exotherm automatically heated up to 80-90 ° C, and crystals were precipitated later. After standing, filter, wash the crystals with water and methanol until the washing is colorless, and recrystallize with ethanol, which is the finished product of bran coupler. | [Purification Methods]
It crystallises from MeOH (charcoal) and distils in a vacuum. [Hartman & Dickey J Am Chem Soc 55 1228 1933.] The (-)-enantiomer crystallises from toluene or EtOH with m 131-131o, and [] 20 -4.9o (dioxane) [Neuberg et al. Arch Biochem 1 393 1943, Beilstein 19 H 204, 19 I 710, 19 II 224, 19 III/IV 2543.] |
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