5-Methyl-3-phenyl-4-isoxazolyl isocyanate
5-甲基-3-苯基-4-异恶唑异氰酸酯
Also known as: 4-Isocyanato-5-methyl-3-phenyl-1,2-oxazole, 4-Isocyanato-5-methyl-3-phenylisoxazole, 5-methyl-3-phenylisoxazol-4-yl isocyanate, Isoxazole, 4-isocyanato-5-methyl-3-phenyl-
5-Methyl-3-phenyl-4-isoxazolyl isocyanate (CAS 268748-84-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8N2O2 and a molecular weight of 200.19300 g/mol. It is also known as 4-Isocyanato-5-methyl-3-phenyl-1,2-oxazole, 4-Isocyanato-5-methyl-3-phenylisoxazole and 5-methyl-3-phenylisoxazol-4-yl isocyanate. Key properties include a melting point of 39ºC, a boiling point of 108-110ºC 0,8mm, a density of 1.21g/cm3 and a flash point of 165.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 268748-84-1
- Jingsj CID
- J-1524261-1
- Molecular Formula
- C11H8N2O2
- Chinese Name
- 5-甲基-3-苯基-4-异恶唑异氰酸酯
- Molecular Weight
- 200.19300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39ºC |
|---|---|
| Boiling Point | 108-110ºC 0,8mm |
| Density | 1.21g/cm3 |
| Flash Point | 165.8ºC |
| Exact Mass | 200.05900 |
| PSA | 55.46000 |
| LogP | 2.61730 |
| Vapor Pressure | 4.36E-05mmHg at 25°C |
| Refractive Index | 1.598 |
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-Methyl-3-phenyl-4-isoxazolyl isocyanate?
The CAS number of 5-Methyl-3-phenyl-4-isoxazolyl isocyanate is 268748-84-1.
What are the molecular formula and molecular weight of 5-Methyl-3-phenyl-4-isoxazolyl isocyanate?
5-Methyl-3-phenyl-4-isoxazolyl isocyanate has molecular formula C11H8N2O2 and molecular weight 200.19300 g/mol.
What are the upstream and downstream products of 5-Methyl-3-phenyl-4-isoxazolyl isocyanate?
For 5-Methyl-3-phenyl-4-isoxazolyl isocyanate, Upstream Products: 5-Methyl-3-phenylisoxazole-4-carbonyl chloride.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-3-phenyl-4-isoxazolyl isocyanate (CAS 268748-84-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524261-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.