Diclofenac potassium

Synonym(s):2-[(2,6-Dichlorophenyl)amino]benzeneacetic acid potassium salt;Diclofenac potassium salt

CAS NO.：15307-81-0
Empirical Formula: C14H10Cl2KNO2
Molecular Weight: 334.24
MDL number: MFCD00082254
EINECS: 630-422-6
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 05:29:00

What is Diclofenac potassium?

Chemical properties

White or slightly yellowish, slightly hygroscopic, crystalline powder.

The Uses of Diclofenac potassium

Cyclo-oxygenase inhibitor; analgesic; anti-inflammatory.

Definition

ChEBI: The potassium salt of diclofenac.

What are the applications of Application

Diclofenac Potassium Salt is a nonsteroidal anti-inflammatory compound an decycloxygenase (COX) inhibitor.

brand name

Cataflam (Novartis).

Metabolism

Diclofenac potassium is formulated to be released and absorbed in the stomach. Diclofenac sodium, usually distributed in enteric-coated tablets, resists dissolution in low pH gastric environments, releasing instead in the duodenum.

Side Effects

Abdominal cramps, pain or discomfort; diarrhea; dizziness; drowsiness; gastrointestinal bleeding; headache; heartburn; high blood pressure; nausea or vomiting; peptic ulcer; swelling of feet; rash; ringing in the ears.

Properties of Diclofenac potassium

Melting point:	300-330 °C
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
solubility	Sparingly soluble in water, freely soluble in methanol, soluble in ethanol (96 per cent), slightly soluble in acetone.
form	neat
form	Solid
color	White to off-white
CAS DataBase Reference	15307-81-0(CAS DataBase Reference)

Safety information for Diclofenac potassium

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H302:Acute toxicity,oral H411:Hazardous to the aquatic environment, long-term hazard