2-Methoxypyrazine
2-Methoxypyrazine (CAS: 3149-28-8), with the molecular formula C5H6N2O and a molar mass of 110.11 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyrazine chemistry. Its characteristic properties make it a key intermediate for researchers and manufacturers developing novel molecules and advanced materials in various scientific disciplines.

Chemical Synthesis Intermediate
2-Methoxypyrazine is employed as a versatile intermediate in organic synthesis. Its pyrazine core allows for diverse chemical modifications, enabling the construction of more complex molecular architectures for research and development purposes.
Research and Development
This compound is utilised in laboratory settings for fundamental research and the exploration of new chemical entities. Its availability supports scientific advancements in areas requiring heterocyclic building blocks.
Heterocyclic Chemistry
As a substituted pyrazine, 2-Methoxypyrazine is significant in the study and application of heterocyclic compounds. It provides a platform for investigating the unique reactivity and properties associated with the pyrazine ring system.
| Molecular weight | 110.11 |
|---|---|
| Empirical formula | C5H6N2O |
| Assay | 95% |
| Boiling point | 60-61 °C/29 mmHg(lit.) |
| Density | 1.14 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.509(lit.) |



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 | 46 °C / 114.8 °F |
|---|---|
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-37/38-41 |
| Safety statements (S) | 16-26-39 |
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-Methoxypyrazine used for?
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2-Methoxypyrazine is primarily used as a building block in chemical synthesis and for research and development purposes, particularly within heterocyclic and pyrazine chemistry.
What is the CAS number and formula for 2-Methoxypyrazine?
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The CAS number for 2-Methoxypyrazine is 3149-28-8, and its empirical formula is C5H6N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methoxypyrazine with a minimum assay of 95%. This product is intended for laboratory and research use; TSS does not represent it as USP, BP, or EP grade.
What are the main hazards associated with handling 2-Methoxypyrazine?
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2-Methoxypyrazine is a flammable liquid and vapour (H226). It is 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, away from ignition sources.
How is 2-Methoxypyrazine packed, shipped, and exported?
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2-Methoxypyrazine is carefully packed according to relevant shipping regulations for flammable liquids and hazardous materials. Tech Serve Solutions is experienced in exporting chemicals globally, ensuring compliance with international shipping standards.
How can I request a sample or a quote for 2-Methoxypyrazine?
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To request a sample or obtain a quote for 2-Methoxypyrazine, please contact our sales team through the website or by phone. Please provide your specific requirements, including quantity and destination.
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