2-Ethyl-4-methylthiazole
2-乙基-4-甲基噻唑
Also known as: 2-Ethyl-4-methyl-1,3-thiazole, 4-Methyl-2-ethylthiazole, FEMA 3680, EINECS 239-757-9, MFCD00036621, Thiazole, 2-ethyl-4-methyl-
2-Ethyl-4-methylthiazole (CAS 15679-12-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9NS and a molecular weight of 127.207 g/mol. It is also known as 2-Ethyl-4-methyl-1,3-thiazole, 4-Methyl-2-ethylthiazole and FEMA 3680. Key properties include a boiling point of 173.3±9.0 °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, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15679-12-6
- Jingsj CID
- J-42561-8
- Molecular Formula
- C6H9NS
- Chinese Name
- 2-乙基-4-甲基噻唑
- Molecular Weight
- 127.207 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 173.3±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 54.4±0.0 °C |
| Exact Mass | 127.045570 |
| PSA | 41.13000 |
| LogP | 2.09 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.524 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Ethyl-4-methylthiazole?
The CAS number of 2-Ethyl-4-methylthiazole is 15679-12-6.
What are the molecular formula and molecular weight of 2-Ethyl-4-methylthiazole?
2-Ethyl-4-methylthiazole has molecular formula C6H9NS and molecular weight 127.207 g/mol.
Is 2-Ethyl-4-methylthiazole hazardous?
2-Ethyl-4-methylthiazole has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Ethyl-4-methylthiazole?
For 2-Ethyl-4-methylthiazole, Upstream Products: Chloroacetone, 2-Ethenyl-4-methylthiazole, 2-acetyl-4-methylthiazole.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Ethyl-4-methylthiazole (CAS 15679-12-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42561-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.