Nimesulide

尼美舒利

Also known as: 4-nitro-2-phenoxymethanesulfonanilide, N-(4-Nitro-2-phenoxyphenyl)methanesulfonamide, N-(2-phenoxy-4-nitrophenyl)methanesulfonamide, N-(4-Nitro-2-phenoxy-phenyl)-methanesulfonamide, AULIN, Antifloxil, Flogovital, Guaxan, Mesulid, Nimed, Nimepast, Nisulid, Sulidene, R-805, EINECS 257-431-4, MFCD00079470

Nimesulide (CAS 51803-78-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H12N2O5S and a molecular weight of 308.310 g/mol. It is also known as 4-nitro-2-phenoxymethanesulfonanilide, N-(4-Nitro-2-phenoxyphenyl)methanesulfonamide and N-(2-phenoxy-4-nitrophenyl)methanesulfonamide. Key properties include a melting point of 140-146°C, a boiling point of 442.0±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 221.1±31.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51803-78-2
Jingsj CID
J-33485-3
Molecular Formula
C13H12N2O5S
Chinese Name
尼美舒利
Molecular Weight
308.310 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140-146°C
Boiling Point442.0±55.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point221.1±31.5 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Nimesulide?

The CAS number of Nimesulide is 51803-78-2.

What are the molecular formula and molecular weight of Nimesulide?

Nimesulide has molecular formula C13H12N2O5S and molecular weight 308.310 g/mol.

Is Nimesulide hazardous?

Nimesulide 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. "Nimesulide (CAS 51803-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33485-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.