双糠醛
Furoin
CAS: 552-86-3
Molecular Formula: C10H8O4
双糠醛 - Names and Identifiers
| Name | Furoin |
| Synonyms | Furoin alpha-Furoin furoylfurylcarbinol Furoylfu-rylcarbinol 1,2-di-2-furyl-2-hydroxy-ethanon 1,2-Di(2-furyl)-2-hydroxyethanone 1,2-di-2-furanyl-2-hydroxyethanone 1,2-di-2-furanyl-2-hydroxy-ethanon Ethanone, 1,2-di-2-furyl-2-hydroxy- 1,2-di(furan-2-yl)-2-hydroxyethanone Ketone, 2-furyl alpha-hydroxyfurfuryl (2R)-1,2-di(furan-2-yl)-2-hydroxyethanone (2S)-1,2-di(furan-2-yl)-2-hydroxyethanone |
| CAS | 552-86-3 |
| EINECS | 209-024-8 |
| InChI | InChI=1/C10H8O4/c11-9(7-3-1-5-13-7)10(12)8-4-2-6-14-8/h1-6,9,11H/t9-/m1/s1 |
双糠醛 - Physico-chemical Properties
| Molecular Formula | C10H8O4 |
| Molar Mass | 192.17 |
| Density | 1.0825 (rough estimate) |
| Melting Point | 134-137°C(lit.) |
| Boling Point | 248.14°C (rough estimate) |
| Flash Point | 139.4°C |
| Solubility | acetone: soluble0.25g/10 mL, clear, colorless to deep brown-yellow |
| Vapor Presure | 0.000328mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| BRN | 383995 |
| pKa | 11.62±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4440 (estimate) |
| MDL | MFCD00003246 |
| Physical and Chemical Properties | Bright Brown needle-like crystals. Melting point 138-139 °c. Soluble in methanol, hot ethanol and ether, insoluble in water. |
双糠醛 - Risk and Safety
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | KM5774095 |
| TSCA | Yes |
| HS Code | 29329990 |
双糠醛 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as organic reagent and reducing agent. |
| Production method | It is obtained by the condensation of benzoin under the catalysis of furfural under potassium cyanide. Heat 8L of water, 3L of ethanol and 4kg of furfural to 60-70 ℃ in a water bath, and slowly add 200g of potassium cyanide solution dissolved in 600ml of water under stirring. The exotherm of the reaction automatically heats up to 80-90°C, and the crystallization will be obtained later. After being placed, filter, wash the crystallization with water and methanol until it is colorless, and recrystallize with ethanol, which is the finished product of chaff. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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