3,5-Diaminopyridine
Also known as: 3,5-Diaminopyridine, Pyridine-3,5-diamine, 3,5-Pyridinediamine
3,5-Diaminopyridine (CAS 4318-78-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3 and a molecular weight of 109.129 g/mol. Key properties include a melting point of 112-113ºC, a boiling point of 378.4±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 210.7±9.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4318-78-9
- Jingsj CID
- J-1519374-5
- Molecular Formula
- C5H7N3
- Molecular Weight
- 109.129 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-113ºC |
|---|---|
| Boiling Point | 378.4±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 210.7±9.5 °C |
| Exact Mass | 109.063995 |
| PSA | 64.93000 |
| LogP | -0.72 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.676 |
| Storage Conditions | 2-8°C |
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 3,5-Diaminopyridine?
The CAS number of 3,5-Diaminopyridine is 4318-78-9.
What are the molecular formula and molecular weight of 3,5-Diaminopyridine?
3,5-Diaminopyridine has molecular formula C5H7N3 and molecular weight 109.129 g/mol.
What are the upstream and downstream products of 3,5-Diaminopyridine?
For 3,5-Diaminopyridine, Upstream Products: 2-Chloro-3,5-dinitropyridine, 3,5-Dibromopyridine, 2-Hydroxy-5-nitropyridine; Downstream Products: 2,6-Diamino-3,5-diiodopyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Diaminopyridine (CAS 4318-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519374-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.