Tetrachloro-o-benzoquinone
Synonym(s):o-Chloranil
- CAS NO.：2435-53-2
- Empirical Formula: C6Cl4O2
- Molecular Weight: 245.88
- MDL number: MFCD00001646
- EINECS: 219-424-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:14:12
What is Tetrachloro-o-benzoquinone?
Chemical properties
bordeaux fine crystalline powder
The Uses of Tetrachloro-o-benzoquinone
o-Chloranil is used as a reagent in the synthesis of fused triazolotriazines and triazolotriazepines which exhibit antibacterial activity. Also used as a reagent in the synthesis of nickel diimine catecholate charge-transfer complexes.
Synthesis Reference(s)
The Journal of Organic Chemistry, 46, p. 3056, 1981 DOI: 10.1021/jo00328a013
Purification Methods
Crystallise o-chloranil from AcOH. Dry it in vacuum desiccator over KOH. [Beilstein 7 IV 2068.]
Properties of Tetrachloro-o-benzoquinone
| Melting point: | 126-129 °C(lit.) |
| Boiling point: | 164.7±40.0 °C(Predicted) |
| Density | 1.7462 (estimate) |
| storage temp. | 2-8°C |
| solubility | almost transparency in Methanol |
| form | Fine Crystalline Powder |
| color | Bordeaux |
| Water Solubility | insoluble |
| BRN | 1309782 |
| CAS DataBase Reference | 2435-53-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 3,5-Cyclohexadiene-1,2-dione, 3,4,5,6-tetrachloro-(2435-53-2) |
| EPA Substance Registry System | o-Chloranil (2435-53-2) |
Safety information for Tetrachloro-o-benzoquinone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. 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 Tetrachloro-o-benzoquinone
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