1,4-Diiodobenzene
- CAS NO.：624-38-4
- Empirical Formula: C6H4I2
- Molecular Weight: 329.9
- MDL number: MFCD00001054
- EINECS: 210-842-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-06-19 09:00:52
What is 1,4-Diiodobenzene?
Chemical properties
white to light yellow crystal powder
The Uses of 1,4-Diiodobenzene
1,4-Diiodobenzene is used in Suzuki reaction. It is used as a precursor in the preparation of martinellic acid and 1,4-bis(p-R-phenylethynyl)benzenes. Further, it is employed in the preparation of 1,4-diiodo-2,5-didodecylbenzene , which is a starting reagent for the synthesis of oligo(1,4-phenylene ethynylene). It is also used in human and animal nutrition products including antiseptics and disinfectants. In addition to this, it used in polarizing films for liquid crystal display chemicals.
Purification Methods
Crystallise it from EtOH or boiling MeOH, then dry it in air. [Beilstein 5 IV 700.]
Properties of 1,4-Diiodobenzene
| Melting point: | 131-133 °C (lit.) |
| Boiling point: | 285 °C (lit.) |
| Density | 2.350 |
| Flash point: | 285°C |
| refractive index | 1.6212 |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Crystalline Powder |
| color | White to beige |
| Water Solubility | Soluble in ether and ethanol. Insoluble in water. |
| Sensitive | Light Sensitive |
| BRN | 1904546 |
| Dielectric constant | 2.8799999999999999 |
| CAS DataBase Reference | 624-38-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,4-diiodo-(624-38-4) |
| EPA Substance Registry System | Benzene, 1,4-diiodo- (624-38-4) |
Safety information for 1,4-Diiodobenzene
| 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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 1,4-Diiodobenzene
| InChIKey | LFMWZTSOMGDDJU-UHFFFAOYSA-N |
1,4-Diiodobenzene manufacturer
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