Project Description
Potassium Acetate
Chemical Name: Potassium Acetate
Molecular Formula: C2H3KO2
Molecular Weight: 98.14
INS No.: E261
CAS: 127-08-2
Character: Potassium Acetate is a white crystalline powder. It’s easily deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density（d425） is 1.570. The melting point is 292℃. It’s highly soluble in water (235g/100mL, 20℃; 492g/100mL, 62℃), ethanol (33g/100mL), and methanol (24.24g/100mL, 15℃) but insoluble in ether.
| Item | Specification |
|---|---|
| Assay | 99% min. |
| Loss on drying | 1% max. |
| As | 0.0003% max. |
| Pb | 0.0002% max. |
| Hg | 0.0001% max. |
| Heavy metal | 0.002% max. |
| Readily oxidizable substance | 1000mg/kg max. (Expressed as formic acid) |
| PH (5% aqueous solution) | 7.5-9.0 |
Application:
1. Food Industry: Potassium acetate is a food additive, primarily a preservative and flavor enhancer. It can be found in some processed foods, bakery, and meat products. Additionally, it is used as a buffering agent to regulate acidity in certain food formulations.
- Preservative: Potassium acetate serves as a preservative, helping to prevent the growth of spoilage organisms and extend the shelf life of certain food products. It inhibits the growth of molds, bacteria, and yeasts, helping to maintain the quality and freshness of foods.
- Flavor Enhancer: Potassium acetate can enhance the flavor of certain food products. It has a slightly sweet and tangy taste, which can improve the overall taste profile of processed foods, sauces, dressings, and other food formulations.
- pH Regulator: It is used as a pH regulator, helping to control and maintain the acidity levels in food products. Potassium acetate acts as a buffering agent, ensuring the pH remains within the desired range, which is crucial for food safety, taste, and texture.
- Meat and Poultry Processing: Potassium acetate is sometimes used in meat and poultry processing to enhance their quality and stability. It can improve the water-holding capacity of meat products, resulting in juicier and more tender meat. It also helps to inhibit microbial growth, reducing the risk of spoilage.
- Baked Goods: Potassium acetate can be utilized in baked goods to improve dough handling properties and extend shelf life. It helps control the acidity of the dough, which can influence fermentation processes and the quality of the final product.
2. Pharmaceutical Industry: Potassium acetate is used in the pharmaceutical industry as an excipient, assisting in the formulation and manufacturing of certain medications. It is also used in dialysis solutions to help maintain proper electrolyte balance.
3. Industry application:
- Deicing and Anti-icing Agent: Potassium acetate is widely used as a deicing and anti-icing agent on airport runways, roads, and sidewalks. It helps lower the freezing point of water, melts ice, and prevents ice formation during winter conditions. It is preferred over other deicing agents in environmentally sensitive areas due to its lower environmental impact.
- Textile Industry: Potassium acetate is utilized in the textile industry as a dyeing and printing auxiliary due to its ability to improve color fastness and dye penetration on fabrics.
4. Laboratory Applications: Potassium acetate is commonly used in laboratory settings. It can be used as a reagent, pH adjuster, and buffering agent in various chemical reactions, DNA extraction, and protein purification processes.
Packing: In PP+PE bags of 25kgs net each, or according to customer’s requirement.
Storage: At a cool, dry, and well-ventilated place.
Hazards Identification & Classifications: N/A
Shelf life: 24 months.
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