2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Synonym(s):4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile;DDQ
- CAS NO.：84-58-2
- Empirical Formula: C8Cl2N2O2
- Molecular Weight: 227
- MDL number: MFCD00001593
- EINECS: 201-542-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-11-16 09:24:38
What is 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone?
Description
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) has a variety of applications. DDQ is a deprotection agent for ketals, acetals, and thioacetals. It is a useful electron transfer reagent for synthesis of quinolones and an oxidizing agent used to synthesize steroids. Additionally, DDQ is used with Ph3P to synthesize 1,2-benzisoxazoles.
Description
DDQ is a mild oxidizing agent useful mainly for dehydrogenation reactions.
The Uses of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
An oxidizing agent, especially in steroid synthesis.
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone is used as a reagent for oxidative couplings and cyclization reactions and dehydrogenation of alcohols, phenols and steroid ketones. It is also used in the synthesis of 1,2-benzisoxazoles. It is a useful electron-transfer reagent for synthesis of quinolines from imines and alkynes or alkenes.
Properties of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
| Melting point: | 210-215 °C (dec.)(lit.) |
| Boiling point: | 301.8±42.0 °C(Predicted) |
| Density | 1.7500 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | Soluble in benzene, methanol, acetic acid and dioxane.Slightly soluble in chloroform,, dichloromethane. |
| form | Crystalline Powder or Crystals |
| appearance | Yellow to orange powder |
| color | Yellow to orange |
| Water Solubility | reacts |
| Sensitive | Moisture Sensitive |
Safety information for 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
| InChIKey | HZNVUJQVZSTENZ-UHFFFAOYSA-N |
Abamectin manufacturer
JSK Chemicals
1Y
Phone:+91 9879767970;+919879767970
Whatsapp: +91 9879767970
product: 84-58-2 2,3-Dichloro-5,6-dicyano-p- 99%
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