Dibenzo-p-dioxin
Also known as: Oxanthrene, Dibenzodioxin, Dibenzo-1,4-dioxin, Dibenzo-para-dioxin, Dibenzo[1,4]dioxin, Dibenzo[b,e][1,4]dioxin, Diphenylene dioxide, Phenodioxin, dibenzo(1,4)dioxin, dibenzo-5,10-dioxin, diphenylenedioxide, NCI-C03656, EINECS 205-974-2
Dibenzo-p-dioxin (CAS 262-12-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8O2 and a molecular weight of 184.191 g/mol. Key properties include a melting point of 120ºC, a boiling point of 278.5±10.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 115.7±18.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 262-12-4
- Jingsj CID
- J-1257-5
- Molecular Formula
- C12H8O2
- Molecular Weight
- 184.191 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 120ºC |
|---|---|
| Boiling Point | 278.5±10.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 115.7±18.5 °C |
| Exact Mass | 184.052429 |
| PSA | 18.46000 |
| LogP | 4.38 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.625 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Dibenzo-p-dioxin?
The CAS number of Dibenzo-p-dioxin is 262-12-4.
What are the molecular formula and molecular weight of Dibenzo-p-dioxin?
Dibenzo-p-dioxin has molecular formula C12H8O2 and molecular weight 184.191 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. "Dibenzo-p-dioxin (CAS 262-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1257-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.