Molekula
2,3-Dichloro-5,6-dicyanobenzoquinone (DDQ)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3-Dichloro-5,6-dicyanobenzoquinone (DDQ) is a powerful oxidizing agent used in organic synthesis, particularly for dehydrogenation and oxidation reactions. It is a yellow to orange crystalline solid with a molecular weight of 227.00 g/mol. CAS number: 84-58-2. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies DDQ from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £62.30 per pack ex VAT · £74.76 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Yellow to orange powder |
| Melting Point | 213-219°C |
| Assay (GC) | ≥98.5% |
| Identification 1H-NMR,IR | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15852956 |
| CAS Number | 84-58-2 |
| Molecular Formula | 2,3-(Cl)2-1-(=O)C6-4-(=O)-5,6-(CN)2 |
| Molecular Weight | 227.00 |
| SMILES | C(#N)C1=C(C(=O)C(=C(C1=O)Cl)Cl)C#N |
| UN Number | UN3439 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29269043 |
| Tariff Code | 2926907030 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
Hazard statements
- EUH029 Contact with water liberates toxic gas
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
Precautionary statements
- P231+232 Handle under inert gas. Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 2,3-Dichloro-5,6-dicyanobenzoquinone (DDQ) used for?
DDQ is primarily used as a strong oxidizing agent in organic synthesis, particularly for the oxidation of alcohols to carbonyl compounds and for dehydrogenation reactions.
What is the chemical formula and molecular weight of DDQ?
The formula is C8Cl2N2O2 and the molecular weight is 227.00 g/mol.
How should DDQ be stored?
DDQ should be stored at temperatures between 2 and 8 °C, protected from light and moisture.
What grade of DDQ is available from Molekula?
Molekula supplies DDQ in high-purity grade suitable for laboratory and research applications.
Can Molekula supply DDQ in bulk quantities?
Yes, Molekula can supply DDQ in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a DDQ order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.