2-Vinylpyrazine
2-Vinylpyrazine (CAS: 4177-16-6), with the molecular formula C6H6N2 and a molecular weight of 106.13, is a heterocyclic organic compound. It serves as a versatile building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to various organic reactions, making it a valuable intermediate for the development of more complex molecules.
- IUPAC
- 2-Ethenylpyrazine
- Synonyms
- 2-Ethenylpyrazine

Organic Synthesis Intermediate
2-Vinylpyrazine is used as a key intermediate in the synthesis of various organic compounds. Its reactive vinyl group and pyrazine core allow for diverse chemical transformations.
Heterocyclic Chemistry
As a pyrazine derivative, it is employed in the construction of more complex heterocyclic systems, which are often found in pharmaceuticals and agrochemicals.
Research and Development
This compound is utilized in academic and industrial research laboratories for exploring new synthetic pathways and developing novel materials.
| Molecular weight | 106.13 |
|---|---|
| Empirical formula | C6H6N2 |
| Assay | 97% |
| Density | 1.041 g/mL at 25 °C |
| Refractive index | n20/D 1.560 |
| Storage temperature | 2-8°C |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 60 °C / 140 °F |
|---|---|
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Vinylpyrazine used for?
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2-Vinylpyrazine is primarily used as a building block and intermediate in organic synthesis, particularly for creating complex heterocyclic compounds.
What is the CAS number and formula for 2-Vinylpyrazine?
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The CAS number for 2-Vinylpyrazine is 4177-16-6, and its molecular formula is C6H6N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Vinylpyrazine with an assay of 97%. This is a technical grade and we do not represent it as USP, BP, or EP.
How should 2-Vinylpyrazine be handled safely?
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2-Vinylpyrazine is a flammable liquid and vapour (H226), harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, keeping away from heat and open flames. Refer to the Safety Data Sheet for full details.
Is 2-Vinylpyrazine a controlled substance?
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The provided data does not indicate that 2-Vinylpyrazine is a controlled substance.
How is 2-Vinylpyrazine packed and shipped?
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2-Vinylpyrazine is packed according to UN 1993 C3/PGIII regulations and is exported by Tech Serve Solutions following international shipping guidelines for hazardous materials.
How can I request a sample or quote for 2-Vinylpyrazine?
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Please contact Tech Serve Solutions directly via our website or sales team to request a sample or obtain a quotation for 2-Vinylpyrazine.
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