2,1,3-Benzoselenadiazole
Also known as: Piazselenole, Piazselenol, Piaselenole, AI3-52289, 2-Selena-1,3-diaza-2H-isoindene, 3,4-Benzo-1,2,5-selenadiazole, Benzo[c][1,2,5]selenadiazole, Phenylpiazselenole, 2,1,3-benzo[c]selenadiazole, benzo-2.1.3-selenadiazole, benzo<c><1,2,5>selenadiazole
2,1,3-Benzoselenadiazole (CAS 273-15-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4N2Se and a molecular weight of 183.06900 g/mol. Key properties include a melting point of 74-77ºC(lit.), a boiling point of 248.9ºC at 760mmHg and a flash point of 104.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 273-15-4
- Jingsj CID
- J-1506287-0
- Molecular Formula
- C6H4N2Se
- Molecular Weight
- 183.06900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 74-77ºC(lit.) |
|---|---|
| Boiling Point | 248.9ºC at 760mmHg |
| Flash Point | 104.4ºC |
| Exact Mass | 183.95400 |
| PSA | 25.78000 |
| LogP | 0.68680 |
| Vapor Pressure | 0.0372mmHg at 25°C |
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,1,3-Benzoselenadiazole?
The CAS number of 2,1,3-Benzoselenadiazole is 273-15-4.
What are the molecular formula and molecular weight of 2,1,3-Benzoselenadiazole?
2,1,3-Benzoselenadiazole has molecular formula C6H4N2Se and molecular weight 183.06900 g/mol.
What are the upstream and downstream products of 2,1,3-Benzoselenadiazole?
For 2,1,3-Benzoselenadiazole, Upstream Products: o-Phenylenediamine, 1,2-Phenylenediamine sulfate; Downstream Products: 4-Nitro-2,1,3-benzoselenadiazole, 4,7-Dibromo-2,1,3-benzoselenadiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,1,3-Benzoselenadiazole (CAS 273-15-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506287-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.