Pharmaceutical Materials

Chemical Name: Potassium Acetate

Molecular Formula: CH3COOK

Molecular Weight: 98.14 g/mol

Appearance: White crystalline powder

Solubility: Soluble in water, slightly soluble in ethanol

Usage: Used as a food preservative, buffer in pharmaceuticals, and as a deicing agent.

Potassium acetate, with the chemical formula CH3COOK, is a white crystalline powder commonly used in various industries. It is primarily known for its applications as a food additive for preserving and controlling acidity, a component in fire extinguishers for its eco-friendly properties, and as a deicing agent with reduced environmental corrosion compared to chlorides. Potassium acetate also plays a role in medical fields, serving as a diuretic and aiding in the preservation of biological tissue samples. Its preparation typically involves reaction between potassium hydroxide or potassium carbonate and acetic acid.

Property	Value
Chemical Formula	CH3COOK
CAS Number	127-08-2
Physical Properties	–
Appearance	White crystalline powder
Density	1.57 g/cm³ at 25°C
Melting Point	292°C
Odor	Slightly alkaline
Chemical Properties	–
Solubility	Soluble in water, methanol, ethanol, and ammonia; insoluble in ether and acetone
pH of Aqueous Solution	Weakly alkaline (pH ~9.7 for 0.1M solution)
Refractive Index	1.370 at 20°C
Flammability	Combustible
Stability	Stable under normal conditions, but hygroscopic

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