3,5-DIBROMOPYRIDINE
3,5-Dibromopyridine
CAS: 625-92-3
Molecular Formula: C5H3Br2N
3,5-DIBROMOPYRIDINE - Names and Identifiers
| Name | 3,5-Dibromopyridine |
| Synonyms | 3,5-dibormopyridine 3,5-Dibromopyridine 3,5-DIBROMOPYRIDINE 3.5-dibromopyridine IFLAB-BB F1995-0190 3, 5-2 broMide pyridine |
| CAS | 625-92-3 |
| EINECS | 210-916-4 |
| InChI | InChI=1/C5H3Br2N/c6-4-1-5(7)3-8-2-4/h1-3H |
| InChIKey | SOSPMXMEOFGPIM-UHFFFAOYSA-N |
3,5-DIBROMOPYRIDINE - Physico-chemical Properties
| Molecular Formula | C5H3Br2N |
| Molar Mass | 236.89 |
| Density | 2.0383 (rough estimate) |
| Melting Point | 110-115 °C (lit.) |
| Boling Point | 222 °C |
| Flash Point | 84.3°C |
| Water Solubility | Soluble in Chloroform and Methanol. Insoluble in water. |
| Solubility | DMSO (Slightly, Heated), Methanol (Slightly) |
| Vapor Presure | 0.155mmHg at 25°C |
| Appearance | Ash crystallization |
| Color | White to light beige |
| BRN | 108477 |
| pKa | 0.52±0.20(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5800 (estimate) |
| MDL | MFCD00014634 |
| Physical and Chemical Properties | Appearance: white to light yellow crystals Melting Point: 110-113 ℃ |
| Use | Pharmaceutical Intermediates |
3,5-DIBROMOPYRIDINE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN2811 |
| WGK Germany | 3 |
| HS Code | 29333999 |
| Hazard Class | IRRITANT |
3,5-DIBROMOPYRIDINE - Introduction
Soluble in ethanol, toxic. Stimulant.
Last Update：2022-10-16 17:27:22
3,5-DIBROMOPYRIDINE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 3, 5-dibromopyridine is an important pharmaceutical intermediate, is an important raw material for the prevention and treatment of central nervous system disorders TC-2559. Since the aromatic electrophilic reaction of pyridine is much slower than that of benzene, severe reaction conditions are often required, and usually only 3-position substitution reaction is generated, so 3, the reaction conditions of 5-dibromopyridine are very severe. |
| Application | 3, 5-dibromopyridine is a white to light yellow crystalline powder useful as a pharmaceutical intermediate. |
| Use | pharmaceutical intermediates |
Last Update：2024-04-09 21:11:58
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