Fluorescein-5-maleimide
Also known as: 5-Maleimido-fluorescein, 5-MF, N-(5-Fluoresceinyl)maleimide, 1-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)-1H-pyrrole-2,5-dione, Fluorescein maleimide
Fluorescein-5-maleimide (CAS 75350-46-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C24H13NO7 and a molecular weight of 427.362 g/mol. Key properties include a melting point of >275ºC (dec.), a boiling point of 769.1±60.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 418.9±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 75350-46-8
- Jingsj CID
- J-10021-0
- Molecular Formula
- C24H13NO7
- Molecular Weight
- 427.362 g/mol
- Category
- Organic Bases
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >275ºC (dec.) |
|---|---|
| Boiling Point | 769.1±60.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 418.9±32.9 °C |
| Exact Mass | 427.069214 |
| PSA | 113.37000 |
| LogP | 1.85 |
| Vapor Pressure | 0.0±2.7 mmHg at 25°C |
| Refractive Index | 1.835 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Frequently Asked Questions
What is the CAS number of Fluorescein-5-maleimide?
The CAS number of Fluorescein-5-maleimide is 75350-46-8.
What are the molecular formula and molecular weight of Fluorescein-5-maleimide?
Fluorescein-5-maleimide has molecular formula C24H13NO7 and molecular weight 427.362 g/mol.
Is Fluorescein-5-maleimide hazardous?
Fluorescein-5-maleimide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of Fluorescein-5-maleimide?
For Fluorescein-5-maleimide, Upstream Products: 5-Aminofluorescein.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fluorescein-5-maleimide (CAS 75350-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10021-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.