4-Amino-3,5-dichloropyridine
Also known as: 3,5-Dichloro-4-aminopyridine, 3,5-Dichloropyridin-4-amine, 3,5-Dichloro-4-pyridinamine, 3,5-Dichloro-pyridin-4-ylamine, Roflumilast Impurity 3, Roflumilast impurity C, 4-Pyridinamine, 3,5-dichloro-, MFCD00125023, EINECS 245-304-6
4-Amino-3,5-dichloropyridine (CAS 22889-78-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4Cl2N2 and a molecular weight of 163.005 g/mol. Key properties include a melting point of 159°C, a boiling point of 250.8±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 105.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22889-78-7
- Jingsj CID
- J-37055-8
- Molecular Formula
- C5H4Cl2N2
- Molecular Weight
- 163.005 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 159°C |
|---|---|
| Boiling Point | 250.8±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 105.5±25.9 °C |
| Exact Mass | 161.975159 |
| PSA | 38.91000 |
| LogP | 2.71 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.623 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 4-Amino-3,5-dichloropyridine?
The CAS number of 4-Amino-3,5-dichloropyridine is 22889-78-7.
What are the molecular formula and molecular weight of 4-Amino-3,5-dichloropyridine?
4-Amino-3,5-dichloropyridine has molecular formula C5H4Cl2N2 and molecular weight 163.005 g/mol.
What are the upstream and downstream products of 4-Amino-3,5-dichloropyridine?
For 4-Amino-3,5-dichloropyridine, Upstream Products: 4-Aminopyridine, 3,5-Dichloro-4-pyridinecarbonitrile, 3,4,5-Trichloropyridine; Downstream Products: Roflumilast, 3,5-Dichloropyridin-4-ol, 4-Amino-3,5-dichloropyridine N-oxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-3,5-dichloropyridine (CAS 22889-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37055-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.