2,5-Dibromo-3,4-dinitrothiophene
2,5-二溴-3,4-二硝基噻吩
Also known as: 2,5-Dibromo-3,4-dinitrothiophene, 2,5-Dibromo-3,4-dinitrthiphene, AKOS 92299, NSC 84661, Thiophene, 2,5-dibromo-3,4-dinitro-, MFCD00015537
2,5-Dibromo-3,4-dinitrothiophene (CAS 52431-30-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4Br2N2O4S and a molecular weight of 331.927 g/mol. It is also known as 2,5-Dibromo-3,4-dinitrthiphene, AKOS 92299 and NSC 84661. Key properties include a melting point of 137°C, a boiling point of 341.2±37.0 °C at 760 mmHg, a density of 2.5±0.1 g/cm3 and a flash point of 160.2±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52431-30-8
- Jingsj CID
- J-13917-1
- Molecular Formula
- C4Br2N2O4S
- Chinese Name
- 2,5-二溴-3,4-二硝基噻吩
- Molecular Weight
- 331.927 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137°C |
|---|---|
| Boiling Point | 341.2±37.0 °C at 760 mmHg |
| Density | 2.5±0.1 g/cm3 |
| Flash Point | 160.2±26.5 °C |
| Exact Mass | 329.794525 |
| PSA | 119.88000 |
| LogP | 2.22 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.717 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Dibromo-3,4-dinitrothiophene?
The CAS number of 2,5-Dibromo-3,4-dinitrothiophene is 52431-30-8.
What are the molecular formula and molecular weight of 2,5-Dibromo-3,4-dinitrothiophene?
2,5-Dibromo-3,4-dinitrothiophene has molecular formula C4Br2N2O4S and molecular weight 331.927 g/mol.
Is 2,5-Dibromo-3,4-dinitrothiophene hazardous?
2,5-Dibromo-3,4-dinitrothiophene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dibromo-3,4-dinitrothiophene (CAS 52431-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13917-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.