1,4-Dibromobutane
Chemical Intermediates 2025-03-02
(CAS: 110-52-1 | EINECS: 203-775-5)
1. Chemical Identity
| Property | Specification |
|---|---|
| IUPAC Name | 1,4-Dibromobutane |
| Synonyms | Tetramethylene dibromide; Butylene dibromide |
| Molecular Formula | C₄H₈Br₂ |
| Molecular Weight | 215.91 g/mol |
| CAS No. | 110-52-1 |
| EINECS No. | 203-775-5 |
2. Physical Characteristics
| Parameter | Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Assay (Purity) | ≥99% (GC) |
| Melting Point | -20°C |
| Boiling Point | 197°C |
| Refractive Index | 1.5176-1.5196 (20°C) |
| Density | 1.789-1.791 g/cm³ (25°C) |
| Flash Point | 74°C (closed cup) |
3. Production & Supply
| Parameter | Detail |
|---|---|
| Annual Capacity | 1,000 metric tons |
| Package | 250kg/plastic drum (UN-approved) |
| Storage | Keep tightly closed in cool, ventilated area |
4. Quality Standards
- Moisture Content: ≤0.1% (KF)
- Color (APHA): ≤20
- Impurities (GC):
- 1-Bromobutane: ≤0.5%
- Other organics: ≤0.5% total
5. Applications
- Pharmaceutical Intermediate:
- Synthesis of quaternary ammonium compounds
- Building block for antitumor agents
- Agrochemicals:
- Key intermediate for nematicides and fungicides
- Chemical Synthesis:
- Precursor for polymers and specialty chemicals
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