Ammonium Dihydrogen Phosphate

Ammonium Dihydrogen Phosphate (CAS 7722-76-1) is an important inorganic compound with the chemical formula H6NO4P, which has a wide range of applications from agricultural fertilizers to fire retardants to food additives. Ammonium Dihydrogen Phosphate demonstrates its versatility. This seemingly distant chemical term is in fact closely related to our daily lives.

1. Basic Information

The molecular weight of Ammonium Dihydrogen Phosphate is about 115.03 (may vary according to the international relative atomic mass), this compound usually exists in the form of white crystalline powder or crystals, and the density is about 1.803 g/cm³ or 1.02 g/cm³ (the specific value may vary depending on the measurement method or conditions). The melting point of Ammonium Dihydrogen Phosphate is 180-190°C (decomposition), solubility in water at room temperature (20°C) is 37.4g, slightly soluble in ethanol, insoluble in acetone.Ammonium Dihydrogen Phosphate is relatively stable in air, but may decompose when exposed to high temperature, moisture or mixed with other chemicals, resulting in irritation. may decompose when mixed with other chemicals, producing irritating gases such as ammonia and phosphoric acid vapors. This compound can be prepared by the reaction of ammonia and phosphoric acid, and decomposes to ammonium metaphosphate (NH4PO3) when heated.

2. Uses and applications

The versatility of Ammonium Dihydrogen Phosphate has led to a wide range of applications in several fields:

Agriculture: Ammonium Dihydrogen Phosphate is an important fertilizer in agricultural production, providing plants with two key nutrients, nitrogen and phosphorus, which help promote plant growth and development. However, excessive or inappropriate use may have negative impacts on the environment, such as eutrophication of water bodies and soil acidification.

Fire Protection: It is used as a fire retardant for wood, paper and fabrics, as a compatibility agent for fire retardant coatings, and as an extinguishing agent for match stems and candle wicks.Ammonium Dihydrogen Phosphate is an important ingredient in dry powder fire extinguishers, helping to reduce the risk of fire.

Food: Food grade Ammonium Dihydrogen Phosphate is used as a bread improver and food additive to improve the taste and texture of food.

Pharmaceutical: Ammonium Dihydrogen Phosphate also has specific applications in the pharmaceutical industry for the preparation of certain drugs.

Feed: It is used as a feed additive for ruminants to provide essential nutrients.

Industrial applications: Ammonium Dihydrogen Phosphate is used in metal finishing for electroless nickel and copper plating, and as a softener and catalyst in the leather, wool and pulp industries. It is also used as an additive in paints, pigments and detergent products, and as an etchant in the electronics industry.

Chemical reagents: In the laboratory, Ammonium Dihydrogen Phosphate is used as a chemical reagent to test the concentration of hydrogen ions in solution.

Water Treatment: It is used as an anodic corrosion inhibitor to form a hard protective film on metal surfaces for circulating and boiler water treatment.

Soil improvement: Adding appropriate proportion of sodium gluconate can improve the buffering property of soil and increase the utilization rate of phosphorus fertilizer.

Although Ammonium Dihydrogen Phosphate has a wide range of applications in many fields, safety precautions should be taken when using it in daily life. When coming into contact with Ammonium Dihydrogen Phosphate, it is recommended to wear personal protective equipment (PPE) such as protective eyewear, gloves and masks to avoid skin and eye contact and inhalation of irritating gases. Meanwhile, Ammonium Dihydrogen Phosphate should be kept sealed in a dry and cool place, away from direct sunlight and humid environment to ensure its stability and safety.

With the advancement of science and technology and the ever-changing needs of people, Ammonium Dihydrogen Phosphate has a promising market prospect. In the agricultural field, with the promotion of precision agriculture and smart agriculture, the demand for Ammonium Dihydrogen Phosphate and other high-efficiency fertilizers will continue to grow. In the industrial field, with the strengthening of environmental protection policies and the improvement of people's awareness of environmental protection, the application of environmentally friendly materials such as Ammonium Dihydrogen Phosphate will be more widely used. In the future, Ammonium Dihydrogen Phosphate will play its unique advantages in more fields, bringing more convenience and beauty to people's life.

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