Potassium nitrate refers to a chemical compound. Furthermore, its chemical formula is KNO3. This is a white crystallized compound. Students can explore more about potassium nitrate here.
Definition of Potassium Nitrate
Potassium nitrate refers to a crystalline, colourless, potassium salt of nitric acid. It consists of potassium, nitrogen, and oxygen.
Furthermore, this compound has considerable usage in fireworks, matches, and fertilizers. Furthermore, it is used for medical purposes such as in diuretics to reduce blood pressure.
Historically, this compound was harvested from cave wall deposits. These wall deposits had an accumulation of bat guano.
This compound is generally safe salt. Moreover, the compound shows some toxicity at moderate doses. Consequently, this causes irritation in the nose and throat.
Products Containing Potassium Nitrate
Below are the various products which have potassium nitrate:
Household products- In the modern home, potassium nitrate is a very common ingredient in various products. Sensitivity toothpaste and tooth whitening products certainly contain this compound.
Furthermore, the salt exists in makeup primer. The salt also exists in various fertilizers, potting mixes, and plant foods.
Agricultural Products- Many agricultural products contain this compound. Pyrotechnic fumigants contain this compound to control insects, rodents, and various kinds of pests.
Furthermore, these cartridges create pest-killing gases to control coyotes, skunks, wasps, and other animals that are harmful to crops and farms
Due to the occurrence of potassium in nature, the compound may cause some environmental effects. The compound is also available in many fertilizers and thus is beneficial for agricultural.
Industrial products- Many industries depend upon the compound as an ingredient or as a helpful substance.
People have been using it as a food preservative since the middle ages. Moreover, this salt is present in gunpowder, fireworks, matches, and blasting powders.
There is a presence of this compound in rocket fuel. Furthermore, the salt is quite useful in steel tempering and manufacturing of glass.
The compound certainly has usage in dental research. Moreover, the chemical industry relies heavily on potassium nitrate for the maintenance of temperatures.
The compound assists the renewable energy sector. This is because it is a very important ingredient in solar salt. Solar salt refers to a molten salt which serves as heat storage in solar power plants.
Properties of Potassium Nitrate
Potassium nitrate consists of an orthorhombic crystal structure. Furthermore, this structure occurs at room temperature. Moreover, this structure transforms to a trigonal system at 129 degrees Celsius.
Potassium nitrate is certainly moderately soluble in water. However, its solubility increases with temperature.
Moreover, the aqueous solution is probably neutral, which exhibits pH 6.2 at 14 degrees Celsius. Also, this takes place for a 10 per cent solution of commercial powder.
It is not very hygroscopic in nature. Furthermore, it absorbs about 0.03 per cent water over fifty days in 80 per cent relative humidity.
Also, it is insoluble in alcohol. Moreover, the compound is not poisonous. The compound probably reacts explosively with reducing agents. However, the compound is not explosive on its own.
Solved Question For You
Q1 Which of the following products do not have potassium nitrate?
A. Household products
B. Agricultural Products
C. Industrial products
D. Poisonous products
A1 The correct answer is option D., which is poisonous products. This is because it is not poisonous.