2,3,5-Trimethylpyrazine
Also known as: Trimethylpyrazine, Trimethyl-pyrazine, Pyrazine, trimethyl-, Pyrazine, 2,3,5-trimethyl-, 2,3,5-Trimethyl pyrazine, Natural 2,3,5-Trimethylpyrazine
2,3,5-Trimethylpyrazine (CAS 14667-55-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H10N2 and a molecular weight of 122.168 g/mol. Key properties include a boiling point of 173.1±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 54.4±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.
- 14667-55-1
- Jingsj CID
- J-38679-8
- Molecular Formula
- C7H10N2
- Molecular Weight
- 122.168 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 173.1±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 54.4±0.0 °C |
| Exact Mass | 122.084396 |
| PSA | 25.78000 |
| LogP | 1.10 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.504 |
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
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 2,3,5-Trimethylpyrazine?
The CAS number of 2,3,5-Trimethylpyrazine is 14667-55-1.
What are the molecular formula and molecular weight of 2,3,5-Trimethylpyrazine?
2,3,5-Trimethylpyrazine has molecular formula C7H10N2 and molecular weight 122.168 g/mol.
Is 2,3,5-Trimethylpyrazine hazardous?
2,3,5-Trimethylpyrazine 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 2,3,5-Trimethylpyrazine?
For 2,3,5-Trimethylpyrazine, Upstream Products: Dimethylzinc, 3-Chloro-2,5-dimethylpyrazine, Trimethylaluminium; Downstream Products: 2-(Chloromethyl)-3,5-dimethylpyrazine, Pyrrolo[1,2-a]pyrazine, 1,3,6,7-tetramethyl- (9CI), 2-Isobutyl-3,5,6-trimethylpyrazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,5-Trimethylpyrazine (CAS 14667-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38679-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.