2-Methylpyrazine
2-Methylpyrazine (CAS: 109-08-0; Formula: C5H6N2; MW: 94.11) is a valuable heterocyclic organic compound. It is a clear liquid with a characteristic odour, primarily utilised as a building block in chemical synthesis. Its pyrazine structure makes it a useful intermediate for creating more complex molecules, particularly in the development of pharmaceuticals and agrochemicals. Tech Serve Solutions supplies this compound with a purity of ≥99%.

Chemical Synthesis Intermediate
2-Methylpyrazine serves as a key intermediate in organic synthesis. Its pyrazine ring can be functionalised to create a variety of complex heterocyclic compounds.
Pharmaceutical Research
This compound is employed as a building block in the research and development of novel pharmaceutical agents. Its structure is relevant for creating molecules with potential biological activity.
Agrochemical Development
The pyrazine moiety is found in several agrochemicals, and 2-Methylpyrazine can be used in the synthesis of new crop protection agents.
| Molecular weight | 94.11 |
|---|---|
| Empirical formula | C5H6N2 |
| Assay | ≥99% |
| Boiling point | 135 °C/761 mmHg(lit.) |
| Density | 1.03 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.504(lit.) |
| Melting point | −29 °C(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 50 °C / 122 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-36/37/38 |
| Safety statements (S) | 26-36 |
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-Methylpyrazine used for?
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2-Methylpyrazine is primarily used as a building block and intermediate in chemical synthesis, particularly in the research and development of pharmaceuticals and agrochemicals.
What is the CAS number and formula for 2-Methylpyrazine?
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The CAS number for 2-Methylpyrazine is 109-08-0, and its molecular formula is C5H6N2.
What grade and purity does Tech Serve Solutions supply for 2-Methylpyrazine?
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Tech Serve Solutions supplies 2-Methylpyrazine with an assay of ≥99%. We do not represent this product as meeting any specific pharmacopoeia (USP, BP, EP) standards unless explicitly stated in the product data.
What are the main hazards associated with 2-Methylpyrazine?
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2-Methylpyrazine is a flammable liquid and vapour (H226). It is harmful if swallowed (H302) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment.
How is 2-Methylpyrazine shipped and exported by TSS?
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2-Methylpyrazine is shipped according to international regulations for hazardous materials. Please contact TSS for specific export capabilities and shipping details.
How can I request a quote or sample of 2-Methylpyrazine?
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To request a quote or sample, please use the contact form on our website or contact our sales team directly, providing the product name and CAS number (109-08-0).
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