1,4-Dibromobenzene
- CAS No.
- 106-37-6
- Chemical Name:
- 1,4-Dibromobenzene
- Synonyms
- dibromobenzene;P-DIBROMOBENZENE;NSC 33942;1.4-DibroMoben;dibromobenzene.;p-dibromo-benzen;1,4-Dibrombenzol;4-DibroMobenzene;Of DibroMobenzene;1,4-DIBROMOBENZENE
- CBNumber:
- CB8676250
- Molecular Formula:
- C6H4Br2
- Molecular Weight:
- 235.9
- MOL File:
- 106-37-6.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/6/6 16:20:44
| Melting point | 83-87 °C (lit.) |
|---|---|
| Boiling point | 219 °C (lit.) |
| Density | 1.841 g/mL at 25 °C (lit.) |
| vapor pressure | 0.134 at 35 °C (Hine et al., 1963) |
| refractive index | 1.5742 |
| Flash point | 219-220°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Soluble in alcohol, benzene, chloroform, toluene and carbon tetrachloride. Insoluble in ether. |
| form | Crystals |
| color | Colorless to almost white |
| Water Solubility | practically insoluble |
| λmax | 282nm(EtOH)(lit.) |
| Merck | 14,3019 |
| BRN | 1904543 |
| Henry's Law Constant | 5.0 x 10-4 atm?m3/mol at 25 °C (Hine and Mookerjee, 1975) |
| Dielectric constant | 8.8（20℃） |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | SWJPEBQEEAHIGZ-UHFFFAOYSA-N |
| CAS DataBase Reference | 106-37-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,4-dibromo-(106-37-6) |
| EPA Substance Registry System | p-Dibromobenzene (106-37-6) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS07,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335-H411 | |||||||||
| Precautionary statements | P273-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 24/25-36-26 | |||||||||
| RIDADR | UN 2711 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | CZ1791000 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 9 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29036990 | |||||||||
| Toxicity | Acute oral LD50 for mice 120 mg/kg (quoted, RTECS, 1985). | |||||||||
| NFPA 704 |
|
1,4-Dibromobenzene price More Price(10)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | D39029 | 1,4-Dibromobenzene 98% | 106-37-6 | 100G | ₹1890 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | D39029 | 1,4-Dibromobenzene 98% | 106-37-6 | 500G | ₹4700 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | D39029 | 1,4-Dibromobenzene 98% | 106-37-6 | 2KG | ₹14580.1 | 2022-06-14 | Buy |
| TCI Chemicals (India) | D0170 | 1,4-Dibromobenzene min. 99.0 % | 106-37-6 | 25G | ₹2200 | 2022-05-26 | Buy |
| TCI Chemicals (India) | D0297 | 1,4-Dibromobenzene Zone Refined (number of passes:31) min. 99.8 % | 106-37-6 | 1SAMPLE | ₹9200 | 2022-05-26 | Buy |
1,4-Dibromobenzene Chemical Properties,Uses,Production
Chemical Properties
1,4-dibromobenzene is a dibromobenzene. It is a white or off-white powder. freely soluble in hot ethanol, acetone, ether and hot benzene, soluble in ethanol and benzene, insoluble in water. It has a strong smell similar to that of the lighter chlorine analogue. It can be used as a precursor to the dye 6,6-Dibromoindigo.
Uses
1,4-Dibromobenzene is used in the synthesis of 2,5-dibromoacetophenone, triarylamines and trans- stilbenes. It is widely used as a heavy liquid solvent as well as a motor oil additive. It finds application as an intermediate in the manufacture of organic chemicals such as dyes, pharmaceuticals and flame retardants for polymeric materials.
Potential Exposure
Dibromobenzene is used as a solvent for oils and in organic synthesis.
Shipping
UN1993 Flammable liquids, n.o.s., Hazard Class: 3; Labels: 3-Flammable liquid, Technical Name Required. UN2514 Bromobenzene, Hazard Class: 3; Labels: 3-Flammable liquid.
Purification Methods
Steam distil the dibromobenzene , then crystallise it from EtOH or MeOH and dry it in the dark under vacuum. Purify it by zone melting. [Beilstein 5 IV 683.]
Incompatibilities
Extremely flammable. May form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, and epoxides.
Waste Disposal
Use a licensed professional waste disposal service to dispose of this material. All federal, state, and local environmental regulations must be observed. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Incineration with flue gas scrubbing.
1,4-Dibromobenzene Preparation Products And Raw materials
Raw materials
Preparation Products
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