N-Hydroxymaleimide
N-羟基马来酰亚胺
Also known as: 1-Hydroxy-1H-pyrrole-2,5-dione, 1-hydroxypyrrole-2,5-dione, 1H-Pyrrole-2,5-dione, 1-hydroxy-, Hydroxymaleimide
N-Hydroxymaleimide (CAS 4814-74-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H3NO3 and a molecular weight of 113.072 g/mol. It is also known as 1-Hydroxy-1H-pyrrole-2,5-dione, 1-hydroxypyrrole-2,5-dione and 1H-Pyrrole-2,5-dione, 1-hydroxy-. Key properties include a melting point of 130-133 °C (dec.)(lit.), a boiling point of 276.8±23.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 121.2±22.6 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4814-74-8
- Jingsj CID
- J-27924-4
- Molecular Formula
- C4H3NO3
- Chinese Name
- N-羟基马来酰亚胺
- Molecular Weight
- 113.072 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130-133 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 276.8±23.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 121.2±22.6 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of N-Hydroxymaleimide?
The CAS number of N-Hydroxymaleimide is 4814-74-8.
What are the molecular formula and molecular weight of N-Hydroxymaleimide?
N-Hydroxymaleimide has molecular formula C4H3NO3 and molecular weight 113.072 g/mol.
Is N-Hydroxymaleimide hazardous?
N-Hydroxymaleimide 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. "N-Hydroxymaleimide (CAS 4814-74-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27924-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.