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Nimesulide Structure


Chemical Properties

Melting point 140-146°C
Boiling point 442.0±55.0 °C(Predicted)
Density  1.451±0.06 g/cm3(Predicted)
storage temp.  2-8°C
solubility  Practically insoluble in water, freely soluble in acetone, slightly soluble in anhydrous ethanol.
pka pKa 6.56± 0.03(H2O,t =25,I=0.02)(Approximate)
form  neat
color  Light orange to Yellow to Green
Water Solubility  Soluble in water (<50 &#181;g/ml), 1:10 DMSO:PBS (pH 7.2) (<200 &#181;g/ml), ethanol (1 mg/ml), DMSO (15 mg/ml), DMF (15 mg/ml), chloroform, dichloromethane, acetone (freely soluble), and 1N NaOH.
λmax 391nm(H2O)(lit.)
Merck  14,6548
Stability Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 51803-78-2(CAS DataBase Reference)
EPA Substance Registry System Methanesulfonamide, N-(4-nitro-2-phenoxyphenyl)- (51803-78-2)

Safety Information

Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38
Safety Statements  36-26
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  PB0970000
HS Code  2935.90.9500
HazardClass  6.1
PackingGroup  III
Toxicity LD50 orally in rats: 324 mg/kg (Swingle, Moore)


Usage And Synthesis

Preparation Products And Raw materials

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