2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
Also known as: DDQ, 2,3-Dichloro-5,6-dicyano-p-benzoquinone, 2,3-Dichloro-5,6-dicyanobenzoquinone, 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, Dichlorodicyanobenzoquinone, Dichlorodicyanoquinone
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (CAS 84-58-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8Cl2N2O2 and a molecular weight of 227.004 g/mol. Key properties include a melting point of 210-215 °C (dec.)(lit.), a boiling point of 301.8±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 136.3±27.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84-58-2
- Jingsj CID
- J-1148154-2
- Molecular Formula
- C8Cl2N2O2
- Molecular Weight
- 227.004 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-215 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 301.8±42.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 136.3±27.9 °C |
| Exact Mass | 225.933685 |
| PSA | 81.72000 |
| LogP | -0.54 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.601 |
| Additional Property | reacts |
GHS Safety & Compliance
- H301 — Toxic if swallowed
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone?
The CAS number of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone is 84-58-2.
What are the molecular formula and molecular weight of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone?
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone has molecular formula C8Cl2N2O2 and molecular weight 227.004 g/mol.
Is 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone hazardous?
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone?
For 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone, Upstream Products: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone; Downstream Products: 4-(Benzyloxy)benzonitrile, 2,3,4-Trimethoxybenzonitrile, 4-tert-Butylbenzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (CAS 84-58-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148154-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.