BORON HYDRIDE PYRIDINE
Borane-pyridine complex
CAS: 110-51-0
Molecular Formula: C5H8BN
BORON HYDRIDE PYRIDINE - Names and Identifiers
| Name | Borane-pyridine complex |
| Synonyms | (beta-4)-boro Pyridineborane pyridine-borane Pyridine borane PYRIDINE BORANE BORANE-PYRIDINE BORON HYDRIDE PYRIDINE Borane pyridine complex PYRIDINE BORANE COMPLEX BORANE-PYRIDINE COMPLEX Borane-pyridine complex trihydrido(pyridine)boron pyridineborane,pyb,inpyridine |
| CAS | 110-51-0 |
| EINECS | 203-773-4 |
| InChI | InChI=1/C5H5N.BH3/c1-2-4-6-5-3-1;/h1-5H;1H3 |
| InChIKey | RJFWUOJTSKNRHN-UHFFFAOYSA-N |
BORON HYDRIDE PYRIDINE - Physico-chemical Properties
| Molecular Formula | C5H8BN |
| Molar Mass | 92.93 |
| Density | 0.929g/mLat 20°C |
| Melting Point | 10-11°C(lit.) |
| Boling Point | 102 °C (0.37505 mmHg) |
| Flash Point | 70°F |
| Water Solubility | reacts slowly |
| Vapor Presure | 22.8mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 0.92 |
| Color | Clear to slightly hazy colorless to amber |
| Exposure Limit | ACGIH: TWA 1 ppmOSHA: TWA 5 ppm(15 mg/m3)NIOSH: IDLH 1000 ppm; TWA 5 ppm(15 mg/m3) |
| BRN | 3674913 |
| Storage Condition | 2-8°C |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | n20/D 1.532(lit.) |
| MDL | MFCD00012435 |
| Physical and Chemical Properties | Light yellow liquid. Melting point 10-11 ℃, relative density 0.920, refractive index 1.5320. Soluble in alcohol, ether, almost insoluble in water. |
| Use | Used as a pharmaceutical Intermediate |
BORON HYDRIDE PYRIDINE - Risk and Safety
| Risk Codes | R10 - Flammable R15 - Contact with water liberates extremely flammable gases R20 - Harmful by inhalation R24/25 - R36/38 - Irritating to eyes and skin. R44 - Risk of explosion if heated under confinement R36/37/38 - Irritating to eyes, respiratory system and skin. R26 - Very Toxic by inhalation |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28A - S28 - After contact with skin, wash immediately with plenty of soap-suds. |
| UN IDs | UN 1992 3/PG 2 |
| WGK Germany | 2 |
| RTECS | US3675000 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| HS Code | 29333990 |
| Hazard Class | 4.3 |
| Packing Group | II |
BORON HYDRIDE PYRIDINE - 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 for reduction and hydroboration reactions. Used as a pharmaceutical intermediate The energy distribution function analysis of the tote isotherm of gas absorption on the heterogeneous surface. & bull preparation of α-alkyl-β-hydroxy esters & bull selectively immobilized short-chain oligonucleotides in acrylic copolymer gels. Preparation of immunoglobulins paired with viral antigens & sintering of bull silicon carbide & bull reduces the solvent used in high performance liquid chromatographic analysis of oligosaccharides. The modification of & bull catalytic slurry affects the process of carbonization into mesophase pitch |
| Production method | Pass dry hydrogen chloride gas into the anhydrous ether solution of pyridine, filter out the solid pyridine hydrochloride, and suspend it after drying In the pyridine, add the pyridine solution of sodium borohydride, and react at room temperature. Then filter out the sodium chloride precipitation in the reactants, evaporate the pyridine under reduced pressure at 50°C, and add an equal volume of anhydrous ether to precipitate the unreacted pyridine hydrochloride. Filter and steam under reduced pressure to remove ether to obtain the finished product. |
Last Update：2024-04-10 22:29:15
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