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Sanhe Biochemical
2-Bromopropane
| Product name | 2-Bromopropane |
| English alias | Isopropyl bromide; IPB; Propane, 2-bromo-; |
| Structural formula | .png) |
| Molecular formula | C3H7Br |
| Molecular weight | 122.99200 |
| Appearance | Colorless Transparent Liquid |
| Melting point | -89 ℃ |
| Relative density | 1.31 g/mL at 25 ℃(lit.) |
| Boiling point | 59 ℃(lit.) |
| Water solubility | 0.3 g/100 mL |
| Refractivity | n20/D 1.425(lit.) |
| Content | ≥99.5% |
| Moisture | ≤0.05% |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents. |
| Flash point | 67 °F |
| Vapor pressure | 133mmHg at 25℃ |
| Storage | The warehouse is ventilated and dried at low temperature, and stored separately from oxidants and food additives. |
| Use | This product can be used to manufacture pharmaceuticals, pesticides (such as glyphosate), etc. |
| Production method | It is obtained by reacting isopropanol with hydrobromic acid. Slowly add isopropanol to concentrated sulfuric acid while cooling, controlling the temperature below 30 ℃. After adding, add hydrobromic acid, slowly heat and reflux for 4 hours, then distill until oil droplets appear. Wash the crude product with concentrated sulfuric acid, water, and 5% sodium carbonate, then dry, filter, and fractionate with anhydrous sodium carbonate. Collect the 58.5-60.5 ℃ fraction to obtain the finished product. In addition, there is also the isopropanol sodium bromide method. |
| UN No. | UN 2344 3/PG 2 |
| Hazard class | 3 |
| Packing group | II |
| HS code | 2903399090 |
| Packing | 250KGS/Closed steel drum |
| CAS # | 75-26-3 |
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