2-Methylthiazole
Also known as: 2-Methyl-1,3-thiazole, 2-methyl-1,3-thiazole, 2-methylthiazol, Methylthiazole, Thiazole, 2-methyl-, thiazole,2-methyl, AURORA KA-6469
2-Methylthiazole (CAS 3581-87-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5NS and a molecular weight of 99.154 g/mol. Key properties include a melting point of -24 °C, a boiling point of 128.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 28.9±7.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3581-87-1
- Jingsj CID
- J-1523923-3
- Molecular Formula
- C4H5NS
- Molecular Weight
- 99.154 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -24 °C |
|---|---|
| Boiling Point | 128.5±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 28.9±7.6 °C |
| Exact Mass | 99.014267 |
| PSA | 41.13000 |
| LogP | 1.10 |
| Vapor Pressure | 12.9±0.2 mmHg at 25°C |
| Refractive Index | 1.536 |
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-Methylthiazole?
The CAS number of 2-Methylthiazole is 3581-87-1.
What are the molecular formula and molecular weight of 2-Methylthiazole?
2-Methylthiazole has molecular formula C4H5NS and molecular weight 99.154 g/mol.
What are the upstream and downstream products of 2-Methylthiazole?
For 2-Methylthiazole, Upstream Products: 2-Bromothiazole, 2-chloroethane-1,1-diol, Thioacetamide; Downstream Products: (2-Methyl-1,3-thiazol-5-yl)methanol, 2-(1,3-Thiazol-2-yl)ethanol, 2-Methyl-1,3-thiazole-5-carboxylic acid.
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-Methylthiazole (CAS 3581-87-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523923-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.