Molekula
2,5 Dimethylpyrazine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,5-Dimethylpyrazine is an aromatic heterocyclic compound widely used in the food and flavor industry to impart roasted, nutty, and popcorn-like notes. It is also employed in fragrance formulations and as a chemical intermediate. This chemical has a CAS number of 123-32-0, a molecular formula of C6H8N2, and a molecular weight of 108.14. It should be stored at ambient conditions and carries a signal word of "Warning" for safety. Molekula supplies 2,5-Dimethylpyrazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Achromatic to yellowish liquid |
| Refractive Index | 1.497 - 1.503 |
| Identification | Conforms to reference |
| Purity | ≥98.0% |
| Relative density | 0.982 - 1.000 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 64 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 15 °C |
| Boiling Point | 154 to 156 °C at 760 mmHg |
| Solubility (other solvents) | Soluble in water, organic solvents, oils |
| Vapour Pressure | 1.5 mmHg |
Source: PubChem CID 31252 (Human Metabolome Database (HMDB), Joint FAO/WHO Expert Committee on Food Additives (JECFA), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90036444 |
| CAS Number | 123-32-0 |
| IUPAC Name | 2,5-dimethylpyrazine |
| EC Number | 204-618-3 |
| Molecular Formula | C6H8N2 |
| Molecular Weight | 108.14 |
| Exact Mass | 108.0687 |
| SMILES | CC1=CN=C(C=N1)C |
| InChIKey | LCZUOKDVTBMCMX-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3 |
| PubChem CID | 31252 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29339980 |
| Tariff Code | 2933599590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2,5-Dimethyl-1,4-diazine
- 2,5-Dimethylparadiazine
- 2,5-Dimethylpiazine
- 2,5-Dimethylpyrazine (contains 2,6-isomer)
- 2,5-Dimethylpyrazine (natural)
- FEMA 3272
- FEMA No. 3272
- Ketine
- Pyrazine, 2,5-dimethyl-
- WLN: T6N DNJ B1 E1
Frequently asked questions
What is 2,5-Dimethylpyrazine commonly used for?
2,5-Dimethylpyrazine is primarily used as a flavoring agent in the food and beverage industry, contributing to roasted, nutty, or popcorn-like aromas, and is also used in fragrance formulations.
What is the chemical formula and molecular weight of 2,5-Dimethylpyrazine?
The chemical formula is **C6H8N2**, and the molecular weight is **108.14 g/mol**.
How should 2,5-Dimethylpyrazine be stored?
Store in a tightly sealed container at **ambient temperature**, away from heat, sparks, and open flames.
What grades or purities of 2,5-Dimethylpyrazine does Molekula supply?
Molekula supplies **high-purity (98%+)** 2,5-Dimethylpyrazine suitable for food-grade and fragrance applications.
Can Molekula supply 2,5-Dimethylpyrazine in bulk quantities?
Yes, Molekula can provide bulk quantities of 2,5-Dimethylpyrazine, with minimum order quantities and packaging options tailored to customer needs.
What documentation comes with an order of 2,5-Dimethylpyrazine?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and, if applicable, **food-grade compliance documentation** upon request.
Ready to order or need a custom pack?
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