5-Ethenyl-2,4-dimethylthiazole
2,4-二甲基-5-乙烯基噻唑
Also known as: 2,4-Dimethyl-5-vinylthiazole, 2,4-Dimethyl-5-vinylthiazole USP/EP/BP, 5-Ethenyl-2,4-dimethyl-1,3-thiazole, 5-ethenyl-2,4-dimethyl-1,3-thiazole, FEMA No. 3145, Thiazole, 5-ethenyl-2,4-dimethyl-, UNII-16G6IW897V
5-Ethenyl-2,4-dimethylthiazole (CAS 65505-18-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NS and a molecular weight of 139.218 g/mol. It is also known as 2,4-Dimethyl-5-vinylthiazole, 2,4-Dimethyl-5-vinylthiazole USP/EP/BP and 5-Ethenyl-2,4-dimethyl-1,3-thiazole. Key properties include a boiling point of 202.5±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 75.2±7.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65505-18-2
- Jingsj CID
- J-1514274-4
- Molecular Formula
- C7H9NS
- Chinese Name
- 2,4-二甲基-5-乙烯基噻唑
- Molecular Weight
- 139.218 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 202.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 75.2±7.6 °C |
Frequently Asked Questions
What is the CAS number of 5-Ethenyl-2,4-dimethylthiazole?
The CAS number of 5-Ethenyl-2,4-dimethylthiazole is 65505-18-2.
What are the molecular formula and molecular weight of 5-Ethenyl-2,4-dimethylthiazole?
5-Ethenyl-2,4-dimethylthiazole has molecular formula C7H9NS and molecular weight 139.218 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Ethenyl-2,4-dimethylthiazole (CAS 65505-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514274-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.