1,3-Dibromobenzene
- CAS NO.：108-36-1
- Empirical Formula: C6H4Br2
- Molecular Weight: 235.9
- MDL number: MFCD00000078
- EINECS: 203-574-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-09 19:09:56
What is 1,3-Dibromobenzene?
Chemical properties
clear colourless to light yellow liquid
The Uses of 1,3-Dibromobenzene
1,3-Dibromobenzene is used in Suzuki coupling reaction for the preparation of [n]metacyclophanes. It is used to prepare 5-(3-bromo-phenyl)-2,4-di-tert-butoxy-pyrimidine using Pd(0) (PPh3)4 as a reagent. Further, it undergoes solid-supported potassium fluoride-aluminum oxide palladium-catalyzed polyarylation reaction with phenyl boronic acid to get conjugated polyaryls.
Definition
ChEBI: A dibromobenzene carrying bromo groups at positions 1 and 3.
General Description
1,3-Dibromobenzene undergoes solid-supported [KF-Al2O3] palladium-catalyzed polyarylation reaction with phenyl boronic acid under microwave irradiation to yield conjugated polyaryls.
Properties of 1,3-Dibromobenzene
| Melting point: | -7 °C (lit.) |
| Boiling point: | 218-219 °C (lit.) |
| Density | 1.952 g/mL at 25 °C (lit.) |
| vapor density | 8.16 (vs air) |
| vapor pressure | 5 mm Hg ( 66 °C) |
| refractive index | n |
| Flash point: | 201 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 0.068g/l |
| form | Liquid |
| Specific Gravity | 1.952 |
| color | Clear colorless to light yellow |
| Water Solubility | insoluble |
| BRN | 1904538 |
| Dielectric constant | 5.0 |
| CAS DataBase Reference | 108-36-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,3-dibromo-(108-36-1) |
| EPA Substance Registry System | m-Dibromobenzene (108-36-1) |
Safety information for 1,3-Dibromobenzene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,3-Dibromobenzene
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