Products
1,2-Dibromobenzene
| Identification | Product name: | 1,2-dibromobenzene | ||
| Product name: | 1,2-dibromobenzene | |||
| Molecular formula: | C6H4Br2 | Molecular weight: | 263 | |
| Structural formula: |  |
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| CAS No: | 583-53-9 | RTECS No: | ||
| HS code: | 2903999090 | UN No: | 2711 | |
| Dangerous goods code: | 33547 | IMDG Code Page: | ||
| Physical and Chemical Properties | Appearance and properties: | Colorless transparent liquid; Insoluble in water, soluble in ethanol, ethyl ether, C ketone, acetic acid, benzene, petroleum ether and carbon tetrachloride. | ||
| Uses: | Used in organic synthesis, Dye intermediate. | |||
| Melting point: | 4-6 °C(lit.) | Boiling point: | 225.5℃ | |
| Relative density (water=1): | 1.976 | Moisture ≤: | 0.05% | |
| 1,2-dibromobenzene Assay ≥ | 99% | PH value: | 6.0~8.0 | |
| Saturated vapor pressure (kPa): | 0.67(70℃) | Solubility: | Insoluble in water, soluble in ethanol, ethyl ether, C ketone, acetic acid, benzene, petroleum ether and carbon tetrachloride. | |
| Critical temperature (℃): | - | Critical pressure (MPa): | - | |
| Heat of combustion (kj/mol): | - | |||
| Combustion and explosion hazard | Conditions to avoid: | - | ||
| Flammability: | Flammable | Building regulation fire insurance classification:: | - | |
| Flash point (℃): | 91 °C | Self-Ignition temperature(℃): | - | |
| Lower explosive limit (V%): | - | Upper explosive limit (V%): | - | |
| Hazardous characteristics: | Its vapor and air can form explosive mixture, in open flame, high heat cause burning explosion. React with oxidant can. By the high fever decompound let out poisonous gases. If encounter high fever, container pressure increases, there are cracks and the risk of explosion. | |||
| Combustion (decomposition) products: | Carbon monoxide, carbon dioxide, hydrogen bromide. | Stability: | - | |
| Incompatible materials: | strong oxidizing agents. | Polymerization hazards: | - | |
| Fire fighting methods : | dry powder, foam, Sandy soil, water | |||
| Risk category: | 9 | - | - | |
| Packaging and transportation | Packing group: | III | ||
| Directions for storage and transportation: : | Stored in a cool, ventilated warehouse away from fire and heat source. Avoid direct sunlight. Temperature should not be more than 30 ℃ . Keep container closed. Should be stored separatelywith oxidant, food chemicals and no mixed reservoir. | |||
1,2-dibromobenzene quality index
| Item | Index value |
| Appearance | Colorless transparent liquid or crystal |
| Molecular formula | C6H4Br2 |
| 1,2-dibromobenzene Assay ≥ | 99% |
| Density (d2020) g/cm3 | 1.976 |
| PH value | 6.0~8.0 |
| Moisture ≤ | 0.05% |
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