3,5-Dimethylisoxazole
Also known as: 3,5-dimethylisoxazole, 3,5-dimethyl-1,2-oxazole, 3,5-dimethylisooxazole, 3,5-diso, Dimexazol, NSC 40798, U 21221, Isoxazole, 3,5-dimethyl-, Dimethylisoxazole(3,5-)
3,5-Dimethylisoxazole (CAS 300-87-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H7NO and a molecular weight of 97.115 g/mol. Key properties include a boiling point of 144.1±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 31.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 300-87-8
- Jingsj CID
- J-9257-9
- Molecular Formula
- C5H7NO
- Molecular Weight
- 97.115 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 144.1±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 31.1±0.0 °C |
| Exact Mass | 97.052765 |
| PSA | 26.03000 |
| LogP | 1.00 |
| Vapor Pressure | 6.5±0.3 mmHg at 25°C |
| Refractive Index | 1.449 |
| Storage Conditions | Flammables area |
| Additional Property | insoluble |
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 3,5-Dimethylisoxazole?
The CAS number of 3,5-Dimethylisoxazole is 300-87-8.
What are the molecular formula and molecular weight of 3,5-Dimethylisoxazole?
3,5-Dimethylisoxazole has molecular formula C5H7NO and molecular weight 97.115 g/mol.
What are the upstream and downstream products of 3,5-Dimethylisoxazole?
For 3,5-Dimethylisoxazole, Upstream Products: 2,4-Pentanedione, 2,4-Pentanedione dioxime; Downstream Products: 3-Methylisoxazole-5-carbonyl chloride, 5-Methylisoxazole-3-carboxylic acid, 3,5-Dimethyl-4-isoxazolamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dimethylisoxazole (CAS 300-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9257-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.