3,5-Dichloro-4-iodopyridine
3,5-二氯-4-碘吡啶
Also known as: 3,5-Dichloro-4-iodo-pyridine, Pyridine, 3,5-dichloro-4-iodo-, 3,5-Dichlor-4-jod-pyridin
3,5-Dichloro-4-iodopyridine (CAS 343781-41-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2Cl2IN and a molecular weight of 273.887 g/mol. It is also known as 3,5-Dichloro-4-iodo-pyridine, Pyridine, 3,5-dichloro-4-iodo- and 3,5-Dichlor-4-jod-pyridin. Key properties include a melting point of 186-190ºC(lit.), a boiling point of 271.6±35.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 118.1±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 343781-41-9
- Jingsj CID
- J-1181514-1
- Molecular Formula
- C5H2Cl2IN
- Chinese Name
- 3,5-二氯-4-碘吡啶
- Molecular Weight
- 273.887 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 186-190ºC(lit.) |
|---|---|
| Boiling Point | 271.6±35.0 °C at 760 mmHg |
| Density | 2.1±0.1 g/cm3 |
| Flash Point | 118.1±25.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3,5-Dichloro-4-iodopyridine?
The CAS number of 3,5-Dichloro-4-iodopyridine is 343781-41-9.
What are the molecular formula and molecular weight of 3,5-Dichloro-4-iodopyridine?
3,5-Dichloro-4-iodopyridine has molecular formula C5H2Cl2IN and molecular weight 273.887 g/mol.
Is 3,5-Dichloro-4-iodopyridine hazardous?
3,5-Dichloro-4-iodopyridine has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dichloro-4-iodopyridine (CAS 343781-41-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1181514-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.