4-Aminopyridazine
Also known as: 4-Pyridazinamine, Pyridazin-4-amine, Pyridazin-4-ylamine, 4-Aminopyridazin, 4-Aminopyridazine (MFCD00233975)
4-Aminopyridazine (CAS 20744-39-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5N3 and a molecular weight of 95.103 g/mol. Key properties include a boiling point of 326.2±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 177.3±7.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20744-39-2
- Jingsj CID
- J-1345222-7
- Molecular Formula
- C4H5N3
- Molecular Weight
- 95.103 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 326.2±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 177.3±7.6 °C |
| Exact Mass | 95.048347 |
| PSA | 51.80000 |
| LogP | -0.53 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.598 |
| Storage Conditions | ?20°C |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Aminopyridazine?
The CAS number of 4-Aminopyridazine is 20744-39-2.
What are the molecular formula and molecular weight of 4-Aminopyridazine?
4-Aminopyridazine has molecular formula C4H5N3 and molecular weight 95.103 g/mol.
What are the upstream and downstream products of 4-Aminopyridazine?
For 4-Aminopyridazine, Upstream Products: 3,6-Dichloropyridazin-4-amine, 3,4,5-Trichloropyridazine, Pyridazine; Downstream Products: Pyridazin-3-amine, tert-butyl pyridazin-4-ylcarbamate, 5-bromopyridazin-4-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. "4-Aminopyridazine (CAS 20744-39-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345222-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.