Aminopyrazine
Also known as: 2-Aminopyrazine, 2-Pyrazinamine, Pyrazin-2-amine, Pyrazinamine, 2-Pyrazinylamine, 3-aminopyrazine, APZ, NSC 13147, MFCD00006137, EINECS 225-748-7
Aminopyrazine (CAS 5049-61-6) 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 95.10 g/mol. Key properties include a melting point of 118-120 °C(lit.), a boiling point of 250.9±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 129.1±9.0 °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.
- 5049-61-6
- Jingsj CID
- J-45308-7
- Molecular Formula
- C4H5N3
- Molecular Weight
- 95.10 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 118-120 °C(lit.) |
|---|---|
| Boiling Point | 250.9±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 129.1±9.0 °C |
| Exact Mass | 95.048347 |
| PSA | 51.80000 |
| LogP | 0.15 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.598 |
| Additional Property | soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Aminopyrazine?
The CAS number of Aminopyrazine is 5049-61-6.
What are the molecular formula and molecular weight of Aminopyrazine?
Aminopyrazine has molecular formula C4H5N3 and molecular weight 95.10 g/mol.
Is Aminopyrazine hazardous?
Aminopyrazine 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 Aminopyrazine?
For Aminopyrazine, Upstream Products: 2-Chloropyrazine, 2-Amino-3,5-dibromopyrazine, Lumazine; Downstream Products: 2-Amino-5-chloropyrazine, 2-Amino-3,5-dichloropyrazine, 3-aminopyrazine-2-carboxamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Aminopyrazine (CAS 5049-61-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45308-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.