2,3-Dichloro-5,6-dicyano-p-benzoquinone
2,3-Dichloro-5,6-dicyano-p-benzoquinone (CAS: 84-58-2) is a potent oxidizing agent with the molecular formula C8Cl2N2O2 and a molecular weight of 227.00. It is widely employed in organic synthesis, notably for its role in the efficient preparation of 1,2-benzisoxazoles when used in conjunction with triphenylphosphine. TSS supplies this chemical for research and development purposes.
- IUPAC
- 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile,DDQ
- Synonyms
- 84-58-2C8Cl2N2O24,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrileDDQ
Synthesis of 1,2-Benzisoxazoles
2,3-Dichloro-5,6-dicyano-p-benzoquinone is a key reagent in the synthesis of 1,2-benzisoxazoles. It is used in combination with triphenylphosphine (Ph₃P) to facilitate this cyclisation reaction, offering an efficient synthetic route.
Oxidizing Agent in Organic Chemistry
As a strong quinone-based oxidizing agent, DDQ is valuable in various organic transformations. Its electron-deficient nature allows it to participate in dehydrogenation and oxidation reactions crucial for creating complex organic molecules.
Reagent for Chemical Synthesis
This compound functions as a versatile synthetic reagent, applicable across different areas of chemical research and development. Its specific reactivity profile makes it suitable for targeted synthetic strategies.
| Molecular weight | 227.00 |
|---|---|
| Empirical formula | C8Cl2N2O2 |
| Assay | ≥95.0% (RT) |
| Application | Used with Ph3P in an efficient synthesis of 1,2-benzisoxazoles.1 |
| Melting point | 210-215 °C (dec.)(lit.) |
Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-29 |
| Safety statements (S) | 22-24/25-37-45 |
| Supplemental hazards | Contact with water liberates toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,3-Dichloro-5,6-dicyano-p-benzoquinone used for?
+
2,3-Dichloro-5,6-dicyano-p-benzoquinone is primarily used as an oxidizing agent in organic synthesis, particularly in the efficient preparation of 1,2-benzisoxazoles in conjunction with triphenylphosphine.
What is the CAS number and formula for 2,3-Dichloro-5,6-dicyano-p-benzoquinone?
+
The CAS number for 2,3-Dichloro-5,6-dicyano-p-benzoquinone is 84-58-2. Its empirical formula is C8Cl2N2O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,3-Dichloro-5,6-dicyano-p-benzoquinone with an assay of ≥95.0% (RT). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety concerns when handling this chemical?
+
This compound is classified as acutely toxic (H301) and liberates toxic gas upon contact with water. Always use appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator, and handle in a well-ventilated area or fume hood, avoiding contact with water.
How is 2,3-Dichloro-5,6-dicyano-p-benzoquinone packed and shipped?
+
This chemical is shipped as UN 3439, Class 6.1, Packing Group III, under provisions for toxic solids. It is carefully packaged to maintain integrity and safety during transit and export.
How can I request a quote or sample?
+
To request a quote or sample of 2,3-Dichloro-5,6-dicyano-p-benzoquinone, please contact our sales department through the TSS website or by phone, providing your specific requirements.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis