Potassium Bicarbonate

Potassium Bicarbonate E501 (CAS No: 298-14-6) Supplier in Europe

Potassium bicarbonate is a versatile compound with a variety of applications in different industries.

Most commonly, it is used as a leavening agent in baking, helping dough rise and achieve a desirable texture. I

Its ability to neutralize acids makes it a valuable ingredient in both food and agricultural products as a food additive E501 .

In addition to its role in cooking, potassium bicarbonate is often used in agriculture as a fungicide.

Gardeners and farmers appreciate its effectiveness in controlling powdery mildew in crops such as grapes and squash.

Its low toxicity to humans and animals makes it a safer alternative to many conventional pesticides.

Potassium bicarbonate also finds applications in home and personal care products.

It is used in fire extinguishers and as an antacid to relieve occasional heartburn.

The compound’s diverse uses make it a staple in various fields, showcasing its practical benefits beyond just the kitchen.

Chemical Properties

Potassium bicarbonate E501 exhibits various distinct characteristics, including its chemical composition, physical properties, and solubility in water.

Composition

Potassium bicarbonate is composed of potassium (K), carbon (C), oxygen (O), and hydrogen (H). Its chemical formula is KHCO₃. The molar mass of potassium bicarbonate is 100.11 g/mol.

It is an inorganic salt formed by the neutralization reaction of potassium hydroxide and carbonic acid.

Molecular Weight:

• Potassium (K): 39.1 g/mol
• Carbon (C): 12.0 g/mol
• Oxygen (O): 48.0 g/mol
• Hydrogen (H): 1.0 g/mol

Physical Properties

Potassium bicarbonate is a white, crystalline powder. It has no odor and a slightly salty taste.

This compound has a melting point of about 292°C but decomposes before reaching this temperature.

Important Physical Properties:

• Color: White
• State: Solid
• Density: 2.17 g/cm³
• Taste: Slightly salty

Solubility in Water

Solubility in water is an essential property of potassium bicarbonate E501.

It is highly soluble, with a solubility of around 22 g/100 ml at 20°C.

Characteristics:

• Highly soluble
• Solubility at 20°C: Approximately 22 g/100 ml
• Effect on pH: Slightly alkaline when dissolved in water

Potassium bicarbonate does not dissolve in organic solvents like alcohol or acetone.

Applications

Potassium bicarbonate is used in various industries, each leveraging its unique properties. It serves as a vital component in food preservation, agriculture, fire safety, and pharmaceuticals.

Food Additive

Potassium bicarbonate acts as a leavening agent in baking. It releases carbon dioxide when heated, helping dough rise without leaving a sodium residue. This is especially important for those on low-sodium diets.

Moreover, it acts as a buffering agent to maintain stable pH levels in foods and beverages.

As a food additive, it helps improve texture and prolong shelf life.

Agricultural Use

In agriculture, potassium bicarbonate is used as a fungicide.

It is effective in controlling powdery mildew and other fungi on crops.

Farmers appreciate its low toxicity compared to chemical alternatives.

This makes it safer for humans, animals, and beneficial insects. Additionally, it supplies potassium, an essential nutrient for plant growth.

Fire Extinguisher Component

Potassium bicarbonate is a key ingredient in certain fire extinguishers.

Especially effective against Class B and C fires, it interrupts the chemical reaction of fire.

Its non-toxic nature makes it suitable for areas where food is present. It also leaves less residue than other extinguishing agents, simplifying cleanup.

Pharmaceutical Role

In the pharmaceutical industry, potassium bicarbonate is used to treat conditions related to acid-base imbalances. It can neutralize excess stomach acid and provide relief from indigestion.

Furthermore, it is administered to correct hypokalemia (low potassium levels). It can be found in several over-the-counter and prescription medications.