Isobutyl isocyanate
异氰酸异丁酯
Also known as: 1-isocyanato-2-methylpropane, 2-methylpropyl isocyanate, isocyanic acid isobutyl ester, propane, 1-isocyanato-2-methyl-, 1-isocyanato-2-methyl-propane, Isobutylcarbonimid, Isobutylisocyanat, Isocyansaeure-isobutylester, 2-Methylpropane isocyanate
Isobutyl isocyanate (CAS 1873-29-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO and a molecular weight of 99.13110 g/mol. It is also known as 1-isocyanato-2-methylpropane, 2-methylpropyl isocyanate and isocyanic acid isobutyl ester. Key properties include a melting point of 85.5°C (estimate), a boiling point of 104.7ºC at 760 mmHg, a density of 0.87 g/cm3 and a flash point of 17.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1873-29-6
- Jingsj CID
- J-1493177-2
- Molecular Formula
- C5H9NO
- Chinese Name
- 异氰酸异丁酯
- Molecular Weight
- 99.13110 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85.5°C (estimate) |
|---|---|
| Boiling Point | 104.7ºC at 760 mmHg |
| Density | 0.87 g/cm3 |
| Flash Point | 17.1ºC |
Frequently Asked Questions
What is the CAS number of Isobutyl isocyanate?
The CAS number of Isobutyl isocyanate is 1873-29-6.
What are the molecular formula and molecular weight of Isobutyl isocyanate?
Isobutyl isocyanate has molecular formula C5H9NO and molecular weight 99.13110 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyl isocyanate (CAS 1873-29-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493177-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.