2-Methylpyrazine
Also known as: Methylpyrazine, 2-Methyl-1,4-diazine, Pyrazine, 2-methyl-, 2-methyl-pyrazine, EINECS 203-645-8, MFCD00006142, Pyrazine,2-methyl
2-Methylpyrazine (CAS 109-08-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H6N2 and a molecular weight of 94.115 g/mol. Key properties include a melting point of −29 °C(lit.), a boiling point of 135.1±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 50.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-08-0
- Jingsj CID
- J-38692-5
- Molecular Formula
- C5H6N2
- Molecular Weight
- 94.115 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −29 °C(lit.) |
|---|---|
| Boiling Point | 135.1±20.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 50.0±0.0 °C |
| Exact Mass | 94.053101 |
| PSA | 25.78000 |
| LogP | 0.18 |
| Vapor Pressure | 9.7±0.2 mmHg at 25°C |
| Refractive Index | 1.503 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. M Y Jung, et al. Effects of roasting on pyrazine contents and oxidative stability of red pepper seed oil prior to its extraction. J Agric Food Chem. 1999 Apr;47(4):1700-4. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Methylpyrazine?
The CAS number of 2-Methylpyrazine is 109-08-0.
What are the molecular formula and molecular weight of 2-Methylpyrazine?
2-Methylpyrazine has molecular formula C5H6N2 and molecular weight 94.115 g/mol.
Is 2-Methylpyrazine hazardous?
2-Methylpyrazine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of 2-Methylpyrazine?
For 2-Methylpyrazine, Upstream Products: N-(2-Hydroxypropyl)ethylenediamine, 2-Methylpiperazine, 5-Methyl-2,3-pyrazinedicarboxylic acid; Downstream Products: Pyrazine-2-carbaldehyde, 2-Pyrazinecarboxylic acid, 2-(Chloromethyl)pyrazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methylpyrazine (CAS 109-08-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38692-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.