2-Chloro-3,4-diaminopyridine
Also known as: 2-Chloro-3,4-pyridinediamine, 2-Chloropyridin-3,4-diamine, 2-Chloropyridine-3,4-diamine, 3,4-Diamino-2-chloropyridine, 3,4-Pyridinediamine, 2-chloro-, (4-amino-2-chloro-3-pyridyl)amine, NSC 143160
2-Chloro-3,4-diaminopyridine (CAS 39217-08-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6ClN3 and a molecular weight of 143.574 g/mol. Key properties include a melting point of 158-163ºC, a boiling point of 381.3±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 184.4±26.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39217-08-8
- Jingsj CID
- J-1062832-7
- Molecular Formula
- C5H6ClN3
- Molecular Weight
- 143.574 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 158-163ºC |
|---|---|
| Boiling Point | 381.3±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 184.4±26.5 °C |
| Exact Mass | 143.025024 |
| PSA | 64.93000 |
| LogP | 1.25 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.685 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
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 2-Chloro-3,4-diaminopyridine?
The CAS number of 2-Chloro-3,4-diaminopyridine is 39217-08-8.
What are the molecular formula and molecular weight of 2-Chloro-3,4-diaminopyridine?
2-Chloro-3,4-diaminopyridine has molecular formula C5H6ClN3 and molecular weight 143.574 g/mol.
Is 2-Chloro-3,4-diaminopyridine hazardous?
2-Chloro-3,4-diaminopyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Chloro-3,4-diaminopyridine?
For 2-Chloro-3,4-diaminopyridine, Upstream Products: 4-Amino-2-chloro-3-nitropyridine, 4-Amino-3-nitropyridine, 3-Amino-2-chloropyridine; Downstream Products: 4-Bromo-2-(2,6-dichlorophenyl)-1H-imidazo[4,5-c]pyridine, 4-Chloro-1H-imidazo[4,5-c]pyridine, 4-Chloro-3H-[1,2,3]triazolo[4,5-c]pyridine.
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-Chloro-3,4-diaminopyridine (CAS 39217-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062832-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.