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Sanhe Biochemical
1-Bromo-2-methylpropane
| Product name | 1-Bromo-2-methylpropane |
| English alias | Propane, 1-bromo-2-methyl- |
| Structural formula | .png) |
| Molecular formula | C4H9Br |
| Molecular weight | 137.02 |
| Appearance | Colorless Transparent Liquid |
| Melting point | -119 ℃ |
| Relative density | 1.26 g/mL at 20 ℃(lit.) |
| Boiling point | 90-92 ℃(lit.) |
| Water solubility | 0.51 g/L (18 ºC) ，Miscible with organic solvents such as ethanol and ether. |
| Refractivity | n20/D 1.435(lit.) |
| Content | ≥99.0% |
| Moisture | ≤0.05% |
| Stability | Stable under normal temperatures and pressures. |
| Flash point | 65 °F |
| Vapor pressure | |
| Storage | The warehouse is ventilated and dried at low temperature, with light loading and unloading, and stored separately from oxidants and acids. |
| Use | Organic synthesis intermediates, plastic rubber additives. |
| Production method | Cool isobutanol to -10 ℃, slowly add phosphorus tribromide dropwise, and keep the reaction solution below 0 ℃. After dripping, stir and naturally heat up to room temperature. Leave overnight and purify with vacuum distillation to obtain 1-bromo-2-methylpropane. |
| UN No. | UN 2342 3/PG 2 |
| Hazard class | 3 |
| Packing group | II |
| HS code | 2903399090 |
| Packing | 250KGS/Closed steel drum |
| CAS # | 78-77-3 |
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