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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

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Physicochemical Properties

Melting Point39ºC
Boiling Point108-110ºC 0,8mm
Density1.21g/cm3
Flash Point165.8ºC

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.

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 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.