Isocyanic acid
异氰酸
Also known as: Isocyanic acid, HNCO, Hydrogen isocyanate, imino-ketone, isocianic acid, isocyansaeure, oxidoazanediidocarbon, HN=C=O
Isocyanic acid (CAS 75-13-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CHNO and a molecular weight of 43.02470 g/mol. It is also known as HNCO, Hydrogen isocyanate and imino-ketone. Key properties include a melting point of -86ºC, a boiling point of 23.5ºC and a density of 1.04g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75-13-8
- Jingsj CID
- J-1136458-8
- Molecular Formula
- CHNO
- Chinese Name
- 异氰酸
- Molecular Weight
- 43.02470 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -86ºC |
|---|---|
| Boiling Point | 23.5ºC |
| Density | 1.04g/cm3 |
Frequently Asked Questions
What is the CAS number of Isocyanic acid?
The CAS number of Isocyanic acid is 75-13-8.
What are the molecular formula and molecular weight of Isocyanic acid?
Isocyanic acid has molecular formula CHNO and molecular weight 43.02470 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isocyanic acid (CAS 75-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1136458-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.