10 Surprising Facts About Phosphates You (probably) Didn’t Know

January 13, 2025

When was the last time you thought about phosphates? Chances are, they rarely cross your mind. But these remarkable compounds play a vital role in nearly every aspect of daily life. From the food we eat to the crops that feed the world, from cleaning products to industrial processes, phosphates are the quiet workhorses behind the scenes, ensuring efficiency, productivity and sustainability.


Despite their importance, phosphates often go unnoticed, overshadowed by the products and industries they support. But there’s much more to these compounds than meets the eye.


As one of the main players in the business of phosphate trading and distribution,
Decachem is committed to bringing the best of these indispensable compounds to industries worldwide. In this blog post, we’re uncovering 10 surprising facts about phosphates that highlight their versatility, importance and fascinating history. Whether you’re a chemistry enthusiast or simply curious about the hidden forces shaping our world, these insights will give you a newfound appreciation for this indispensable family of compounds. Let’s dive in!


1. Phosphates Are Integral to DNA and RNA Structures 

Phosphates are fundamental to the structure of DNA and RNA, forming the sugar-phosphate backbone that provides stability and support to these essential molecules. In both DNA and RNA, phosphate groups link the 3' carbon atom of one sugar molecule (deoxyribose in DNA, ribose in RNA) to the 5' carbon atom of the next, creating a strong covalent bond known as a phosphodiester bond. This linkage not only maintains the integrity of the nucleotide chain but also ensures proper orientation for genetic encoding. Without phosphates, the structural framework of DNA and RNA would collapse, making genetic information storage and transfer impossible.


2. The Human Body Contains Significant Amounts of Phosphorus 

Approximately 85% of the body’s phosphorus is stored in bones and teeth, where it combines with calcium to form hydroxyapatite, a mineral that provides strength and rigidity. This reservoir of phosphorus is vital not only for skeletal health but also as a readily accessible supply for other physiological needs. The remaining 15% of phosphorus is distributed throughout the body in cells and tissues. Here, it plays critical roles in energy transfer (as ATP), cell signaling, and the formation of DNA and RNA. This balance ensures phosphorus supports both structural and metabolic functions, making it essential for overall health and vitality.

Phosphates in human body

3. Phosphates Play a Key Role in Energy Transfer Within Cells

Phosphates are integral to adenosine triphosphate (ATP), often called the "energy currency" of cells. ATP consists of adenine, ribose (a sugar), and three phosphate groups linked by high-energy bonds. These phosphate bonds store and release energy essential for cellular processes.


When cells require energy, ATP undergoes hydrolysis, breaking the bond between the second and third phosphate groups to form adenosine diphosphate (ADP) and an inorganic phosphate (Pi). This reaction releases energy that powers vital activities like muscle contraction, protein synthesis and active transport.


Phosphates in ATP also play a regulatory role in signaling pathways, enabling enzymes and proteins to function efficiently. Without phosphates, ATP could not perform its critical role in maintaining life’s energy demands.


4. Phosphates Are Essential Components in Fertilizers

Phosphates are vital nutrients for plant growth, playing a crucial role in several key processes. They are a primary component of DNA, RNA and ATP, which are essential for cell division, energy transfer and overall plant metabolism. Phosphorus, in the form of phosphate ions, is absorbed by plants from the soil and used to produce phospholipids, which are integral to cell membranes. Phosphates also promote root development, flowering and fruiting, enhancing plant productivity. A deficiency in phosphate can lead to stunted growth, poor root development, and reduced yield. Therefore, ensuring adequate phosphate availability in the soil is critical for healthy plant development and agriculture.

5. Phosphates Are Used in Processed Foods as Additives

Phosphates are commonly used in food products to enhance texture, moisture retention, and overall product quality. In processed meats, like sausages and deli meats, phosphates help retain water during processing, preventing the loss of moisture during cooking and extending shelf life. This improves the product’s juiciness and mouthfeel. In baked goods, phosphates act as leavening agents, aiding in the rise and texture of bread and cakes by reacting with acidic ingredients to release carbon dioxide. They also stabilize dairy products, such as cheese and milk, by preventing calcium from precipitating, ensuring smoothness and consistency. Additionally, phosphates are used in canned vegetables and fruits to maintain firmness and texture during storage. By enhancing moisture retention and texture, phosphates contribute to the quality and consumer appeal of a wide variety of food products.


6. Phosphates Are Key Ingredients in Detergents

Phosphates in detergents play a crucial role in softening water and enhancing cleaning efficiency. Hard water contains high levels of calcium and magnesium ions, which can interfere with the cleaning action of detergents by binding with soap molecules and forming insoluble compounds, reducing their effectiveness. Phosphates act as water softeners by binding to these calcium and magnesium ions, preventing them from interfering with the cleaning process. This helps detergents form a more effective lather and ensures better stain removal. Additionally, phosphates help maintain the detergent’s pH level, optimizing its performance. Although their use in household detergents is being phased out in some regions due to environmental concerns, phosphates continue to be important in industrial cleaning products for their ability to improve efficiency and reduce mineral build-up.


7. Phosphates Are Involved in Environmental Concerns

Phosphates can contribute significantly to water pollution and eutrophication when they enter aquatic ecosystems in excessive amounts. Eutrophication occurs when water bodies receive high concentrations of nutrients, particularly phosphates, often from agricultural runoff, sewage and detergents. These excess phosphates act as fertilizers, stimulating the rapid growth of algae and aquatic plants. While this may initially seem beneficial, it leads to algal blooms that deplete oxygen levels in the water, a process known as hypoxia. As algae die and decompose, the oxygen depletion becomes more severe, creating "dead zones" where most aquatic life cannot survive. The imbalance in the ecosystem also reduces biodiversity and disrupts the natural food chain. Addressing phosphate pollution through better agricultural practices, wastewater treatment and reduced phosphate use in detergents is crucial to preventing and mitigating eutrophication.

8. Phosphates Are Used in Flame Retardants

Phosphate compounds are widely used in materials to reduce flammability and enhance fire resistance. In flame-retardant coatings and plastics, phosphates, such as ammonium polyphosphate, form a protective char layer when exposed to heat or flames. This layer insulates the material, preventing further combustion and reducing the spread of fire. Phosphates also help in the formation of non-combustible gases, such as phosphoric acid vapors, which act as flame inhibitors by disrupting the chemical reactions necessary for combustion. These compounds are commonly used in building materials, textiles, electrical cables, and automotive components to improve safety and meet fire regulations. Their ability to withstand high temperatures makes phosphate-based flame retardants an essential part of fire-resistant material development.

9. Phosphates Are Present in Some Soft Drinks

Phosphoric acid is commonly used in beverages, particularly colas, to provide a distinctive tangy flavor and enhance overall taste. Its sharp, acidic profile adds a refreshing zest that balances the sweetness of sugar or artificial sweeteners. Phosphoric acid also contributes to the refreshing sensation in sodas by stimulating the taste buds with its slight bitterness, which helps to create a more complex and enjoyable flavor profile. Additionally, it acts as a preservative, helping to extend the shelf life of beverages by lowering the pH and inhibiting microbial growth. While phosphoric acid is primarily used for flavor enhancement, it also helps to stabilize carbonation in fizzy drinks, maintaining the effervescence and sensory experience of sparkling sodas. However, excessive consumption has been linked to potential health concerns, prompting some to seek alternatives in beverage formulations.


10. Phosphates Have a Role in Medical Applications

Phosphate compounds are used in medicine, particularly in laxatives and dietary supplements, due to their ability to influence bodily functions. In laxatives, compounds like sodium phosphate are effective in relieving constipation by drawing water into the intestines, softening stool, and stimulating bowel movements. This promotes quicker and more comfortable elimination. Phosphate-based dietary supplements are also used to address phosphorus deficiencies, particularly in individuals with kidney disorders or those on restricted diets. Phosphates in these supplements help support bone health, cellular energy production and muscle function. They also play a role in maintaining proper acid-base balance in the body. However, phosphate-based medications should be used carefully under medical supervision, as excessive intake can lead to electrolyte imbalances or kidney damage, particularly in individuals with pre-existing kidney conditions.



In conclusion, phosphates are far more fascinating and versatile than we often realize. From being the backbone of DNA and RNA, crucial for life’s genetic instructions, to providing energy through ATP, they are essential for cellular processes. Phosphates are also key players in plant growth, enhancing soil fertility and promoting root development, which ultimately supports global food production. In the food industry, they improve texture, moisture retention, and taste, ensuring the quality of products we consume daily. Additionally, phosphates are used in detergents to soften water, in flame retardants to improve fire resistance, and in medicine to treat constipation and support bone health. These surprising applications underscore the incredible importance of phosphates in various facets of life: agriculture, industry, health and beyond. As we continue to innovate, phosphates remain essential to the progress and functioning of countless processes that sustain modern life.

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Phosphoric Acid Industrial Maintenance
July 23, 2025
In industrial settings, equipment and piping systems are constantly exposed to water, steam and a variety of process chemicals. Over time, this exposure leads to the buildup of mineral scale - primarily composed of calcium, magnesium and iron compounds - as well as other types of residues and contaminants. Left untreated, these deposits can reduce operational efficiency, cause blockages, damage machinery, and ultimately increase maintenance costs and downtime. This is where industrial descaling and cleaning become essential parts of routine maintenance. Descaling refers specifically to the removal of mineral scale, while cleaning more broadly covers the elimination of oils, rust, chemical residues and other contaminants. To achieve effective results, acids are commonly used due to their ability to dissolve or react with the unwanted deposits. Various acids like hydrochloric, sulfuric, citric and phosphoric acid are employed depending on the material compatibility, type of scale and environmental considerations. Among these, high-purity phosphoric acid stands out as an optimal choice for many industries. Its unique chemical properties make it not only effective at breaking down scale but also safer, less corrosive and more versatile than many alternatives. In the sections that follow, we'll explore why high-purity phosphoric acid is a preferred solution for industrial maintenance applications. What is High-Purity Phosphoric Acid? Chemical Composition and Manufacturing Process Phosphoric acid (H₃PO₄) is a mineral acid widely used in industrial, food and pharmaceutical applications. While technical-grade phosphoric acid contains a mixture of impurities and by-products from the manufacturing process, high-purity phosphoric acid is carefully refined to meet stringent quality and purity specifications. The key difference lies in the degree of purification . High-purity grades are produced through advanced filtration, extraction and distillation processes that remove heavy metals, fluorides, chlorides and other trace contaminants. These refined products meet internationally recognized standards, such as FCC (Food Chemicals Codex), ACS (American Chemical Society), or E339 for food additives . Typically, high-purity phosphoric acid contains 85% concentration with minimal levels of impurities , often below 1 ppm for critical elements. This high level of consistency and cleanliness ensures the acid is suitable for applications requiring maximum performance and minimal contamination risk — such as electronics manufacturing, pharmaceuticals, and high-end cleaning solutions. Why Purity Matters in Industrial Applications In industrial maintenance, the quality of cleaning agents directly affects both the effectiveness of the process and the longevity of equipment . Using lower-grade acids may introduce unwanted contaminants , including metal ions or organic residues, which can corrode metal surfaces, leave residues, or react unpredictably with other materials. In contrast, high-purity phosphoric acid reduces the risk of contamination , ensuring safer application and more predictable results. It is also less aggressive toward sensitive surfaces, offering enhanced material compatibility and reduced corrosion , especially in stainless steel systems. The result is greater efficiency, longer equipment life, and better compliance with regulatory and quality standards across industries. Key Industrial Applications of Phosphoric Acid in Maintenance Scale Removal in Boilers, Heat Exchangers, and Pipelines One of the most common maintenance challenges in industrial systems is the buildup of scale - solid mineral deposits primarily composed of calcium carbonate, magnesium salts and iron oxides. These deposits restrict flow, reduce heat transfer efficiency, and can lead to costly system failures. Phosphoric acid is highly effective at dissolving these mineral scales due to its ability to react with alkaline compounds, converting them into water-soluble salts that can be easily flushed out of the system. High-purity phosphoric acid is especially beneficial in this context because it performs efficiently without introducing additional contaminants that could damage sensitive components or leave residual deposits. It is commonly used in boiler descaling, heat exchanger maintenance, and pipeline flushing in a range of industries, from power generation to chemical processing. Rust and Corrosion Control Phosphoric acid also plays a dual role in rust removal and corrosion prevention. When applied to steel and other ferrous metals, it reacts with iron oxides (rust) to form iron phosphate, a stable compound that can act as a protective layer. This process not only removes rust but also passivates the metal surface, slowing future corrosion. Unlike more aggressive acids, high-purity phosphoric acid is gentler on the base material, making it an ideal choice for surface preparation before painting, coating or welding. Its controlled action ensures effective cleaning without over-etching or weakening the structure of the metal. Cleaning of Food-Grade and Pharmaceutical Equipment In industries with strict hygiene and regulatory requirements, such as food processing and pharmaceutical production, the cleaning process must be both effective and safe. High-purity phosphoric acid meets these demands thanks to its non-toxic nature and compliance with food-grade standards like FCC and E339. It is widely used to clean stainless steel tanks, pipes and mixing vessels, removing residues, biofilms, and scaling without compromising product safety. Because it leaves no harmful residues and does not introduce foreign contaminants, it supports both GMP compliance and product quality assurance, making it a trusted solution in sanitary maintenance protocols. Benefits of Using High-Purity Phosphoric Acid Over Other Cleaning Agents Compared to Hydrochloric Acid Hydrochloric acid is a strong and commonly used descaling agent, but it comes with several drawbacks that limit its suitability for sensitive industrial applications. One major concern is its high corrosiveness , especially toward metals like stainless steel and aluminum. It can rapidly degrade equipment surfaces, leading to costly repairs or premature replacement. In contrast, high-purity phosphoric acid is much gentler on metal surfaces , making it ideal for cleaning without compromising the integrity of machinery. It also produces far fewer harmful fumes , improving worker safety and reducing the need for intensive ventilation systems. For facilities seeking a balance between cleaning power and material compatibility, phosphoric acid provides a more controlled and less aggressive alternative. Compared to Citric and Sulfamic Acids Citric acid and sulfamic acid are often chosen for their lower toxicity and eco-friendliness, but they also come with limitations. Citric acid , while safe, is typically less effective at dissolving stubborn mineral scale, especially in high-deposit environments. It can also leave sticky residues that require additional rinsing. Sulfamic acid offers better performance, but its efficiency still falls short in comparison to phosphoric acid for certain applications. High-purity phosphoric acid strikes a strong balance between cleaning strength and safety . It effectively dissolves scale and rust without excessive foaming or residue issues, offering an excellent cost-performance ratio in both industrial and hygienic environments. Longevity and Preventive Maintenance Effects One of the often-overlooked advantages of high-purity phosphoric acid is its contribution to preventive maintenance . Its ability to clean thoroughly without damaging surfaces means that equipment stays cleaner for longer periods , and the frequency of cleaning cycles is reduced . Additionally, its passivating effects help form protective layers on metal surfaces, leading to lower wear and tear over time. This contributes to extended equipment life, fewer unplanned shutdowns, and overall improved operational reliability - key goals for any maintenance strategy.