RARECHEM AH PB 0213
2-Formylfuran-5-boronic acid
CAS: 27329-70-0
Molecular Formula: C5H5BO4
RARECHEM AH PB 0213 - Names and Identifiers
| Name | 2-Formylfuran-5-boronic acid |
| Synonyms | Ffba FFBA TIMTEC-BB SBB004171 RARECHEM AH PB 0213 CHEMBRDG-BB 3200975 5-Formylfuran-2-boronicacid 2-Formylfuran-5-boronic acid 2-FORMYLFURAN-5-BORONIC ACID 5-Formylfuran-2-boronic acid 5-Formyl-2-Furylboronic Acid 5-FORMYL-2-FURYLBORONIC ACID 5-Formyl-2-Furanboronic Acid 5-FORMYL-2-FURANBORONIC ACID 5-Formyl-2-Furyl Boronic Acid 5-Formyl-2-Furanylboronic Acid (5-Formyl-2-Furanyl)Boronic Acid (5-formylfuran-2-yl)boronic acid (5-FORMYL-2-FURANYL)BORONIC ACID |
| CAS | 27329-70-0 |
| EINECS | 628-001-7 |
| InChI | InChI=1/C5H5BO4/c7-3-4-1-2-5(10-4)6(8)9/h1-3,8-9H |
| InChIKey | JUWYQISLQJRRNT-UHFFFAOYSA-N |
RARECHEM AH PB 0213 - Physico-chemical Properties
| Molecular Formula | C5H5BO4 |
| Molar Mass | 139.9 |
| Density | 1.36±0.1 g/cm3(Predicted) |
| Melting Point | 136 °C (dec.) (lit.) |
| Boling Point | 379.3±52.0 °C(Predicted) |
| Flash Point | 183.2°C |
| Water Solubility | Insoluble in water. |
| Solubility | 1.38g/l |
| Vapor Presure | 1.98E-06mmHg at 25°C |
| Appearance | Beige to Brown Powder |
| Color | brown |
| BRN | 1637050 |
| pKa | 7.11±0.53(Predicted) |
| Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
| Sensitive | Air Sensitive |
| Refractive Index | 1.51 |
| MDL | MFCD01114696 |
RARECHEM AH PB 0213 - Risk and Safety
| Risk Codes | R34 - Causes burns R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection S27 - Take off immediately all contaminated clothing. |
| UN IDs | UN 3261 8/PG 3 |
| WGK Germany | 3 |
| TSCA | No |
| HS Code | 29321900 |
| Hazard Note | Irritant |
| Hazard Class | IRRITANT, KEEP COLD |
| Packing Group | Ⅲ |
RARECHEM AH PB 0213 - Reference Information
| introduction | 5-formaldehyde-based furan-2-boric acid is a beige to brown powdered substance that can be used in medicine, pharmaceuticals and dyes. |
| application | 5-formaldehyde furan -2-boric acid is a boric acid intermediate, widely used in medicine and other fields. Boric acid compounds can react with chlorine, bromine or iodide aromatics and olefins in Suzuki, thereby connecting a variety of groups, and downstream products are very rich. |
| preparation | preparation of 5-formaldehyde-furan -2-boric acid from 2-furaldehyde-ethylene glycol, triisopropyl borate and sodium powder in THF: 1.81g sodium powder (particle size <100 μm), 12mg biphenyl and 120gTHF were pre-placed in an inert 250ml Schlenk flask. After stirring at room temperature for 15 minutes, a mixture consisting of 14.8g of triisopropyl borate, 5.1g of isoprene and 10.5 g2-furanoxymethylene glycol was dripped within 2 hours after the water was cooled to an internal temperature of 5-10°C. After fully metered addition, the mixture was stirred at about 25°C for 1 hour, and the mixture was poured into about 150g of stirring and cooled by ice bath to about 0°C of 15% hydrochloric acid. |
Last Update：2024-04-09 20:52:54
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