1,2,3,4-Tetrachloronaphthalene
Also known as: PCN-27, Naphthalene, 1,2,3,4-tetrachloro-, 1,2,3,4-Tetrachlornaphthalin
1,2,3,4-Tetrachloronaphthalene (CAS 20020-02-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H4Cl4 and a molecular weight of 265.951 g/mol. Key properties include a melting point of 182ºC, a boiling point of 362.3±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 181.7±23.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20020-02-4
- Jingsj CID
- J-13769-6
- Molecular Formula
- C10H4Cl4
- Molecular Weight
- 265.951 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182ºC |
|---|---|
| Boiling Point | 362.3±37.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 181.7±23.9 °C |
| Exact Mass | 263.906708 |
| LogP | 5.41 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.666 |
| Storage Conditions | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2,3,4-Tetrachloronaphthalene?
The CAS number of 1,2,3,4-Tetrachloronaphthalene is 20020-02-4.
What are the molecular formula and molecular weight of 1,2,3,4-Tetrachloronaphthalene?
1,2,3,4-Tetrachloronaphthalene has molecular formula C10H4Cl4 and molecular weight 265.951 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3,4-Tetrachloronaphthalene (CAS 20020-02-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13769-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.