5-(Chloromethyl)-3-methyl-1,2-oxazole
Also known as: 5-(Chloromethyl)-3-methylisoxazole, 5-(chloromethyl)-3-methyl-1,2-oxazole, Isoxazole, 5-(chloromethyl)-3-methyl-, 5-(chloromethyl)-3-methylisoxazole(SALTDATA: FREE)
5-(Chloromethyl)-3-methyl-1,2-oxazole (CAS 40340-41-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H6ClNO and a molecular weight of 131.560 g/mol. Key properties include a boiling point of 211.6±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 81.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40340-41-8
- Jingsj CID
- J-1518987-4
- Molecular Formula
- C5H6ClNO
- Molecular Weight
- 131.560 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 211.6±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 81.8±23.2 °C |
| Exact Mass | 131.013794 |
| PSA | 26.03000 |
| LogP | 0.81 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.483 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 5-(Chloromethyl)-3-methyl-1,2-oxazole?
The CAS number of 5-(Chloromethyl)-3-methyl-1,2-oxazole is 40340-41-8.
What are the molecular formula and molecular weight of 5-(Chloromethyl)-3-methyl-1,2-oxazole?
5-(Chloromethyl)-3-methyl-1,2-oxazole has molecular formula C5H6ClNO and molecular weight 131.560 g/mol.
What are the upstream and downstream products of 5-(Chloromethyl)-3-methyl-1,2-oxazole?
For 5-(Chloromethyl)-3-methyl-1,2-oxazole, Upstream Products: Acetaldoxime, 3-Chloropropyne, (3-Methylisoxazol-5-yl)methanol; Downstream Products: 3-Methyl-5-isoxazolemethanol acetate, 5-[(1-Indolyl)methyl]-3-methylisoxazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Chloromethyl)-3-methyl-1,2-oxazole (CAS 40340-41-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518987-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.