2,5-Diaminopyridine
Also known as: 2,5-Pyridinediamine, Pyridine-2,5-diamine, 2,5-diamino-pyridin
2,5-Diaminopyridine (CAS 4318-76-7) 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 110.3ºC, a boiling point of 329.1±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 179.1±9.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4318-76-7
- Jingsj CID
- J-29511-4
- 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 | 110.3ºC |
|---|---|
| Boiling Point | 329.1±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 179.1±9.5 °C |
| Exact Mass | 109.063995 |
| PSA | 64.93000 |
| LogP | -0.47 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.676 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 2,5-Diaminopyridine?
The CAS number of 2,5-Diaminopyridine is 4318-76-7.
What are the molecular formula and molecular weight of 2,5-Diaminopyridine?
2,5-Diaminopyridine has molecular formula C5H7N3 and molecular weight 109.129 g/mol.
Is 2,5-Diaminopyridine hazardous?
2,5-Diaminopyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,5-Diaminopyridine?
For 2,5-Diaminopyridine, Upstream Products: 2-Amino-5-nitropyridine, 2,5-Dibromopyridine, 2-Bromo-3-ethoxy-6-nitropyridine; Downstream Products: 5,6-Dihydroxyindole, 2-Amino-5-cyanopyridine, 1,5-naphthyridin-2-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Diaminopyridine (CAS 4318-76-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29511-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.