5-tert-butyl-3-isocyanatoisoxazole

5-叔丁基-3-异氰酰基异噁唑

Also known as: 5-tert-butyl-3-isoxazolyl isocyanate, 5-(1,1-dimethylethyl)-3-isocyanatoisoxazole, isoxazole, 5-(1,1-dimethylethyl)-3-isocyanato-, 5-(t-butyl)isoxazol-3-yl isocyanate, 5-t-butyl-3-isoxazole isocyanate, 5-t-butylisoxazole-3-isocyanate, 5-tert-butyl-3-isocyanato-1,2-oxazole, 3-isocyanato-5-(2-methyl-2-propanyl)-1,2-oxazole

5-tert-butyl-3-isocyanatoisoxazole (CAS 55809-53-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O2 and a molecular weight of 166.177 g/mol. It is also known as 5-tert-butyl-3-isoxazolyl isocyanate, 5-(1,1-dimethylethyl)-3-isocyanatoisoxazole and isoxazole, 5-(1,1-dimethylethyl)-3-isocyanato-. Key properties include a boiling point of 221.4±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 87.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55809-53-5
Jingsj CID
J-1445382-7
Molecular Formula
C8H10N2O2
Chinese Name
5-叔丁基-3-异氰酰基异噁唑
Molecular Weight
166.177 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point221.4±20.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point87.7±21.8 °C

Frequently Asked Questions

What is the CAS number of 5-tert-butyl-3-isocyanatoisoxazole?

The CAS number of 5-tert-butyl-3-isocyanatoisoxazole is 55809-53-5.

What are the molecular formula and molecular weight of 5-tert-butyl-3-isocyanatoisoxazole?

5-tert-butyl-3-isocyanatoisoxazole has molecular formula C8H10N2O2 and molecular weight 166.177 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-tert-butyl-3-isocyanatoisoxazole (CAS 55809-53-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445382-7 (accessed 2026-10-24).

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