Maleimide
Also known as: Maleimide, 1H-Pyrrole-2,5-dione, Maleic imide, Maleinimide, 2,5-Pyrroledione, NSC 13684, 2,5-Dihydro-2,5-dioxo-1H-pyrrole, 3-Pyrroline-2,5-dione
Maleimide (CAS 541-59-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H3NO2 and a molecular weight of 97.072 g/mol. Key properties include a melting point of 91-93 °C(lit.), a boiling point of 264.4±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 113.7±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 541-59-3
- Jingsj CID
- J-1014540-1
- Molecular Formula
- C4H3NO2
- Molecular Weight
- 97.072 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 91-93 °C(lit.) |
|---|---|
| Boiling Point | 264.4±23.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 113.7±22.6 °C |
| Exact Mass | 97.016380 |
| PSA | 46.17000 |
| LogP | -0.69 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.606 |
| Additional Property | SOLUBLE |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2925190090 |
|---|---|
| Summary | 2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Maleimide?
The CAS number of Maleimide is 541-59-3.
What are the molecular formula and molecular weight of Maleimide?
Maleimide has molecular formula C4H3NO2 and molecular weight 97.072 g/mol.
Is Maleimide hazardous?
Maleimide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of Maleimide?
For Maleimide, Upstream Products: Maleic anhydride, Nickel(II) acetate, 6-Aminocaproic acid; Downstream Products: Maleamic acid, Ethyl 2,5-dioxo-2,5-dihydro-1H-pyrrole-1-carboxylate, cis-5-Benzyltetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Maleimide (CAS 541-59-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014540-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.