Isobutyl nitrite
亚硝酸异丁酯
Also known as: 2-methylpropyl nitrite, Nitrous acid, 2-methylpropyl ester, Isobutylnitrite, isobutyl nitrite, EINECS 208-819-7, MFCD00002056
Isobutyl nitrite (CAS 542-56-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO2 and a molecular weight of 103.120 g/mol. It is also known as 2-methylpropyl nitrite, Nitrous acid, 2-methylpropyl ester and Isobutylnitrite. Key properties include a boiling point of 70.5±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of -21.1±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 542-56-3
- Jingsj CID
- J-1108227-1
- Molecular Formula
- C4H9NO2
- Chinese Name
- 亚硝酸异丁酯
- Molecular Weight
- 103.120 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 70.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | -21.1±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Isobutyl nitrite?
The CAS number of Isobutyl nitrite is 542-56-3.
What are the molecular formula and molecular weight of Isobutyl nitrite?
Isobutyl nitrite has molecular formula C4H9NO2 and molecular weight 103.120 g/mol.
Is Isobutyl nitrite hazardous?
Isobutyl nitrite 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. "Isobutyl nitrite (CAS 542-56-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108227-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.