2-Chloro-6-methylpyrazine
Also known as: 2-Methyl-6-chloropyrazine, 6-Chloro-2-methylpyrazine, 2-Chloro-6-methyl-1,4-diazine, 2-Chloro-6-methyl-pyrazine
2-Chloro-6-methylpyrazine (CAS 38557-71-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2 and a molecular weight of 128.560 g/mol. Key properties include a melting point of 48-52ºC, a boiling point of 173.6±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 73.3±11.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 38557-71-0
- Jingsj CID
- J-1141864-7
- Molecular Formula
- C5H5ClN2
- Molecular Weight
- 128.560 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 48-52ºC |
|---|---|
| Boiling Point | 173.6±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 73.3±11.5 °C |
| Exact Mass | 128.014130 |
| PSA | 25.78000 |
| LogP | 1.10 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.530 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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-Chloro-6-methylpyrazine?
The CAS number of 2-Chloro-6-methylpyrazine is 38557-71-0.
What are the molecular formula and molecular weight of 2-Chloro-6-methylpyrazine?
2-Chloro-6-methylpyrazine has molecular formula C5H5ClN2 and molecular weight 128.560 g/mol.
Is 2-Chloro-6-methylpyrazine hazardous?
2-Chloro-6-methylpyrazine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
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-Chloro-6-methylpyrazine (CAS 38557-71-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1141864-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.