2,5-Dichloro-3,4-dinitrothiophene
Also known as: 2,5-Dichloro-3,4-dinitrothiophene, Thiophene, 2,5-dichloro-3,4-dinitro-, NSC 515973, 2,5-Dichloro-3,4-dinitrothiophene, 97+%
2,5-Dichloro-3,4-dinitrothiophene (CAS 51584-21-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4Cl2N2O4S and a molecular weight of 243.02500 g/mol. Key properties include a melting point of 85-89°C, a boiling point of 378.7ºC at 760 mmHg, a density of 1.921g/cm3 and a flash point of 182.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51584-21-5
- Jingsj CID
- J-36064-5
- Molecular Formula
- C4Cl2N2O4S
- Molecular Weight
- 243.02500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85-89°C |
|---|---|
| Boiling Point | 378.7ºC at 760 mmHg |
| Density | 1.921g/cm3 |
| Flash Point | 182.8ºC |
| Exact Mass | 241.89600 |
| PSA | 119.88000 |
| LogP | 3.91770 |
| Refractive Index | 1.674 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 2,5-Dichloro-3,4-dinitrothiophene?
The CAS number of 2,5-Dichloro-3,4-dinitrothiophene is 51584-21-5.
What are the molecular formula and molecular weight of 2,5-Dichloro-3,4-dinitrothiophene?
2,5-Dichloro-3,4-dinitrothiophene has molecular formula C4Cl2N2O4S and molecular weight 243.02500 g/mol.
What are the upstream and downstream products of 2,5-Dichloro-3,4-dinitrothiophene?
For 2,5-Dichloro-3,4-dinitrothiophene, Upstream Products: 2,5-Dichlorothiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dichloro-3,4-dinitrothiophene (CAS 51584-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36064-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.