2,5-Dichloropyridin-4-ol
2,5-二氯-4-羟基吡啶
Also known as: 2,5-Dichloro-4-hydroxypyridine, 2,5-Dichloro-4(1H)-pyridinone, 2,5-Dichloropyridin-4(1H)-one, 4(1H)-Pyridinone, 2,5-dichloro-, 2,5-Dichloropyridin-4-ol
2,5-Dichloropyridin-4-ol (CAS 343781-57-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2NO and a molecular weight of 163.98900 g/mol. It is also known as 2,5-Dichloro-4-hydroxypyridine, 2,5-Dichloro-4(1H)-pyridinone and 2,5-Dichloropyridin-4(1H)-one. Key properties include a boiling point of 242.9ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 100.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 343781-57-7
- Jingsj CID
- J-1183634-6
- Molecular Formula
- C5H3Cl2NO
- Chinese Name
- 2,5-二氯-4-羟基吡啶
- Molecular Weight
- 163.98900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 242.9ºC at 760 mmHg |
|---|---|
| Density | 1.52g/cm3 |
| Flash Point | 100.7ºC |
Frequently Asked Questions
What is the CAS number of 2,5-Dichloropyridin-4-ol?
The CAS number of 2,5-Dichloropyridin-4-ol is 343781-57-7.
What are the molecular formula and molecular weight of 2,5-Dichloropyridin-4-ol?
2,5-Dichloropyridin-4-ol has molecular formula C5H3Cl2NO and molecular weight 163.98900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dichloropyridin-4-ol (CAS 343781-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183634-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.