1-Isocyanatobutane
异氰酸正丁酯
Also known as: Butyl isocyanate, n-Butyl isocyanate, Isocyanic acid butyl ester, 1-Butyl isocyanate, n-BIC, Butyl isocyanate, stab.
1-Isocyanatobutane (CAS 111-36-4) 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 99.131 g/mol. It is also known as Butyl isocyanate, n-Butyl isocyanate and Isocyanic acid butyl ester. Key properties include a melting point of 85.5℃, a boiling point of 115.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 17.8±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111-36-4
- Jingsj CID
- J-14428-9
- Molecular Formula
- C5H9NO
- Chinese Name
- 异氰酸正丁酯
- Molecular Weight
- 99.131 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85.5℃ |
|---|---|
| Boiling Point | 115.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 17.8±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1-Isocyanatobutane?
The CAS number of 1-Isocyanatobutane is 111-36-4.
What are the molecular formula and molecular weight of 1-Isocyanatobutane?
1-Isocyanatobutane has molecular formula C5H9NO and molecular weight 99.131 g/mol.
Is 1-Isocyanatobutane hazardous?
1-Isocyanatobutane has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Isocyanatobutane (CAS 111-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14428-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.