1,2-Dibromobenzene
Pharmaceutical Materials 2025-03-02
CAS Number: 583-53-9
Molecular Formula: C6H4Br2
Molecular Weight: 235.904
Appearance: Colorless to light yellow liquid
Melting Point: 4-6 °C
Boiling Point: 224 °C
Density: 1.956 g/mL at 25 °C
Usage: Pharmaceutical intermediate, dye intermediate.
| Attribute | Details |
|---|---|
| Chemical Name | 1.2-Dibromobenzene |
| Synonyms | o-Dibromobenzene; 1.2-Dibromo-benzene; 1.2-Benzenedibromide; C6H4Br2; etc. |
| CAS Number | 106-36-3 |
| Molecular Formula | C6H4Br2 |
| Molecular Weight | 223.90 g/mol |
| Appearance | White to pale yellow crystalline solid |
| Odor | Characteristic aromatic odor |
| Density | 1.90 g/cm³ at 25°C |
| Melting Point | 58-60°C |
| Boiling Point | 204°C |
| Flash Point | 90°C |
| Solubility | Insoluble in water; soluble in organic solvents such as ether, benzene, and chloroform |
| Refractive Index | 1.615 at 20°C |
| Main Uses | 1. As an intermediate in the synthesis of dyes, pesticides, and pharmaceuticals. 2. In the preparation of flame retardants and other chemical compounds. 3. As a laboratory reagent in organic chemistry. |
| Safety Information | 1.2-Dibromobenzene is toxic and can cause skin and eye irritation. It is harmful if inhaled or ingested. It may cause respiratory distress and central nervous system depression. Handle with appropriate personal protective equipment and follow safety instructions and regulations for handling, storage, and disposal. Store in a cool, dry, well-ventilated area, away from incompatible materials and ignition sources. |
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