N-Methylmaleimide
Also known as: 1-methyl-1H-pyrrole-2,5-dione, 1-methylpyrrole-2,5-dione, 1H-pyrrole-2,5-dione, 1-methyl-, N-Methyl-2,5-pyrroledione, N-Methylmaleinimide, N-Methylmalemide
N-Methylmaleimide (CAS 930-88-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2 and a molecular weight of 111.099 g/mol. Key properties include a melting point of 94-96 °C(lit.), a boiling point of 194.1±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 84.4±11.1 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful 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.
- 930-88-1
- Jingsj CID
- J-17076-3
- Molecular Formula
- C5H5NO2
- Molecular Weight
- 111.099 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 94-96 °C(lit.) |
|---|---|
| Boiling Point | 194.1±9.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 84.4±11.1 °C |
| Exact Mass | 111.032028 |
| PSA | 37.38000 |
| LogP | 0.15 |
| Vapor Pressure | 0.4±0.4 mmHg at 25°C |
| Refractive Index | 1.530 |
GHS Safety & Compliance
- H302 — Harmful 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 N-Methylmaleimide?
The CAS number of N-Methylmaleimide is 930-88-1.
What are the molecular formula and molecular weight of N-Methylmaleimide?
N-Methylmaleimide has molecular formula C5H5NO2 and molecular weight 111.099 g/mol.
Is N-Methylmaleimide hazardous?
N-Methylmaleimide has GHS signal word Danger and hazard statements H302 — Harmful 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 N-Methylmaleimide?
For N-Methylmaleimide, Upstream Products: Maleic anhydride, Methylamine hydrochloride, N-Methylmaleic Acid Monoamide; Downstream Products: Benzylamine, 5-Hydroxy-1-methylpyrrolidin-2-one, Biphenylene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Methylmaleimide (CAS 930-88-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17076-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.