2-Amino-3-bromopyrazine
2-氨基-3-溴吡嗪
Also known as: 2-Amino-3-bromo-pyrazine, 3-Bromopyrazin-2-amine, 3-Bromo-2-pyrazinamine, 3-bromopyrazin-2-amine, 2-Pyrazinamine, 3-bromo-, 3-Bromo-pyrazinamine, 3-bromo-pyrazine-2-amine, 3-Bromopyrazine-2-ylamine
2-Amino-3-bromopyrazine (CAS 21943-12-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H4BrN3 and a molecular weight of 173.999 g/mol. It is also known as 2-Amino-3-bromo-pyrazine, 3-Bromopyrazin-2-amine and 3-Bromo-2-pyrazinamine. Key properties include a boiling point of 275.6±35.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 120.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21943-12-4
- Jingsj CID
- J-1361066-3
- Molecular Formula
- C4H4BrN3
- Chinese Name
- 2-氨基-3-溴吡嗪
- Molecular Weight
- 173.999 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 275.6±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 120.5±25.9 °C |
| Exact Mass | 172.958847 |
| PSA | 51.80000 |
| LogP | 1.69 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.649 |
| Storage Conditions | 2-8℃ |
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 2-Amino-3-bromopyrazine?
The CAS number of 2-Amino-3-bromopyrazine is 21943-12-4.
What are the molecular formula and molecular weight of 2-Amino-3-bromopyrazine?
2-Amino-3-bromopyrazine has molecular formula C4H4BrN3 and molecular weight 173.999 g/mol.
What are the upstream and downstream products of 2-Amino-3-bromopyrazine?
For 2-Amino-3-bromopyrazine, Upstream Products: Aminopyrazine; Downstream Products: 2-Amino-3-(methylamino)pyrazine, Pyrazine-2,3-diamine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Amino-3-bromopyrazine (CAS 21943-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361066-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.