4-Methyl-5-vinylthiazole
Also known as: 5-Ethenyl-4-methylthiazole, 4-Methyl-5-vinyl-1,3-thiazole, 5-Vinyl-4-methylthiazole, 4-methyl-5-vinyl-thiazol, 5-ethenyl-4-methyl-1,3-thiazole, 5-ethenyl-4-methyl-thiazol, Vinylsulfurol, VINYLSULFUROL
4-Methyl-5-vinylthiazole (CAS 1759-28-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NS and a molecular weight of 125.191 g/mol. Key properties include a melting point of −15 °C(lit.), a boiling point of 185.3±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 70.6±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, 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.
- 1759-28-0
- Jingsj CID
- J-38725-7
- Molecular Formula
- C6H7NS
- Molecular Weight
- 125.191 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −15 °C(lit.) |
|---|---|
| Boiling Point | 185.3±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 70.6±0.0 °C |
| Exact Mass | 125.029922 |
| PSA | 41.13000 |
| LogP | 1.38 |
| Vapor Pressure | 1.0±0.3 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 4-Methyl-5-vinylthiazole?
The CAS number of 4-Methyl-5-vinylthiazole is 1759-28-0.
What are the molecular formula and molecular weight of 4-Methyl-5-vinylthiazole?
4-Methyl-5-vinylthiazole has molecular formula C6H7NS and molecular weight 125.191 g/mol.
Is 4-Methyl-5-vinylthiazole hazardous?
4-Methyl-5-vinylthiazole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Methyl-5-vinylthiazole?
For 4-Methyl-5-vinylthiazole, Upstream Products: 2-(4-Methyl-1,3-thiazol-5-yl)ethanol, Thiamine chloride, Clomethiazole; Downstream Products: 4-Methylthiazole-5-carboxaldehyde, 5-ethyl-4-methylthiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methyl-5-vinylthiazole (CAS 1759-28-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38725-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.