KNO3 CAS 7757-79-1 Potassium Nitrate Granular UN 1486 Nitrate Of Potassium

White Granular KNO3 CAS NO 7757-79-1 Potassium Nitrate, UN 1486 Nitrate of Potassium

1. Potassium Nitrate Introduction

Potassium nitrate is an inorganic compound with the chemical formula KNO3. It is also known as saltpetre or nitre, is a chemical compound with the formula KNO3. It is a crystalline salt that is typically colorless or white. Potassium nitrate is composed of potassium ions (K+) and nitrate ions (NO3-). It has a molecular weight of approximately 101.1 grams/mol. It is a colorless transparent rhombic crystal or diamond shaped crystal or white powder, odorless, non-toxic, with a salty and refreshing taste. Potassium nitrate is easily soluble in water, soluble in liquid ammonia and glycerol, and insoluble in anhydrous ethanol.

Potassium nitrate is a chlorine-free nitrogen potassium compound fertilizer with high solubility. Its effective components, nitrogen and potassium, can be quickly absorbed by crops without any chemical residue. It can be used as fertilizer and is suitable for vegetables, fruits, and flowers, as well as some chlorine sensitive crops such as potatoes, strawberries, beans, cabbage, lettuce, peanuts, carrots, onions, blueberries, tobacco, apricots, grapefruit, and avocados, etc.

One of the key properties of potassium nitrate is its high solubility in water, which makes it easy to dissolve and use in various applications. It is also a powerful oxidizing agent, meaning it can provide oxygen to support combustion or reactions with other substances.

2. Potassium Nitrate Specification

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3. Potassium Nitrate Application Area

3.1.Potassium nitrate is widely used as a fertilizer in agriculture. It provides a source of nitrogen and potassium, two essential nutrients for plant growth. It is especially beneficial for crops that require high potassium levels, such as fruits, vegetables, and tobacco, etc. Potassium nitrate can promote the absorption of nitrogen and potassium by crops, promote rooting, promote flower bud differentiation, and increase crop yield. Potassium can promote photosynthesis and promote the synthesis and transportation of carbohydrates. Potassium nitrate can enhance the stress resistance of crops, such as drought and cold resistance, lodging resistance, disease resistance, and prevention and control of premature aging. The use of potassium nitrate during fruit enlargement can promote fruit enlargement, increase sugar and water content, and improve fruit quality, yield, and income.

3.2. The Use of Potassium Nitrate in Industry:

Potassium nitrate is both a decolorizing agent and a clarifying agent in the production of glass. It mainly provides potassium element in the production of ceramic frits. Its main function is to reduce the melting temperature, increase the expansion coefficient of the frit, and also help to increase the transparency of the frit. The high-temperature viscosity of potassium element is relatively high, which has the effect of expanding the sintering range of glaze. At the same time, due to the action of its nitrate, it will decompose to produce oxygen at high temperatures, so it also has oxidation effect, which is beneficial for improving the whiteness of the frit. Potassium nitrate plays a role in supplying oxygen in gunpowder. Potassium nitrate can provide sufficient oxygen to support combustion during the combustion process of gunpowder. In addition, potassium nitrate also helps to improve the combustion rate of gunpowder.

3.3. KNO3 for  food preservation:

Food Preservation: Potassium nitrate has preservative properties and is used in the preservation of meat, fish, and cheese. It helps inhibit the growth of bacteria, preventing spoilage and extending the shelf life of these food products. However, its use in food preservation is regulated in many countries due to concerns about its potential health effects.

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