3-Ethynylpyrazin-2-amine
2-氨基-3-乙炔基吡嗪
Also known as: 2-Amino-3-ethynylpyrazine, 2-Pyrazinamine, 3-ethynyl-, 3-Ethynyl-2-pyrazinamine, QC-6835
3-Ethynylpyrazin-2-amine (CAS 1005349-13-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H5N3 and a molecular weight of 119.124 g/mol. It is also known as 2-Amino-3-ethynylpyrazine, 2-Pyrazinamine, 3-ethynyl- and 3-Ethynyl-2-pyrazinamine. Key properties include a boiling point of 291.0±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 154.7±14.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1005349-13-2
- Jingsj CID
- J-1424339-6
- Molecular Formula
- C6H5N3
- Chinese Name
- 2-氨基-3-乙炔基吡嗪
- Molecular Weight
- 119.124 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 291.0±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 154.7±14.5 °C |
Frequently Asked Questions
What is the CAS number of 3-Ethynylpyrazin-2-amine?
The CAS number of 3-Ethynylpyrazin-2-amine is 1005349-13-2.
What are the molecular formula and molecular weight of 3-Ethynylpyrazin-2-amine?
3-Ethynylpyrazin-2-amine has molecular formula C6H5N3 and molecular weight 119.124 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Ethynylpyrazin-2-amine (CAS 1005349-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1424339-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.