DTPMP, also known as DTPMPA, DETPMP , Diethylene Triamine Penta Methylene Phosphonic Acid, is an organo-phosphonic acid compound widely used in various industrial applications. It is particularly valued for its exceptional ability to sequester metal ions at stoichiometric concentrations and for its threshold inhibition properties, preventing the precipitation of metal salts at sub-stoichiometric concentrations. This makes DTPMP highly effective in water treatment, where it is used to control scaling and corrosion in systems like boilers, cooling towers, and industrial pipes.
DTPMP is commonly utilized in industries such as textile, paper, and detergent manufacturing, and also Effective in oilfield chemicals and various other chemical processes. The compound’s unique ability to stabilize metal ions, such as calcium and magnesium, enhances the efficiency and longevity of equipment by preventing scale formation and corrosion.
Maxwell Additives, as a Diethylene Triamine Penta Methylene Phosphonic Acid manufacturer and supplier in India, is known for producing high-quality Diethylene Triamine Penta Methylene Phosphonic Acid. The company’s expertise in chemical manufacturing ensures the delivery of DTPMP that meets the rigorous standards required by industries worldwide. With its vast experience, Maxwell Additives has become a trusted name in the supply of DTPMP, contributing to a wide range of applications and ensuring effective solutions in metal ion management.
What is DTPMP?
DTPMP (Diethylene Triamine Penta Methylene Phosphonic Acid) is known for its exceptional hydrolytic and thermal stability, making it a highly reliable compound for a variety of demanding industrial applications. One of its key advantages is its ability to remain stable across a broad range of pH values, ensuring its effectiveness in both acidic and alkaline environments. This stability is crucial in industries where conditions fluctuate, such as in water treatment systems, where pH can vary significantly.
Additionally, DTPMP’s thermal stability allows it to perform efficiently at elevated temperatures, making it ideal for high-temperature applications like boilers, cooling towers, and other heat-exposed systems. The compound maintains its integrity even under challenging conditions, providing long-lasting protection against scale formation and corrosion in systems that operate at high temperatures.
Due to these properties, Diethylene Triamine Penta Methylene Phosphonic Acid is widely used in industries such as petrochemical, textile, paper, and energy production. It is also highly effective in oilfield applications, where both high temperature and extreme pH conditions are often encountered. Overall, the combination of hydrolytic and thermal stability enhances DTPMP’s versatility, making it a trusted solution for metal ion sequestration and scale inhibition in diverse industrial settings.
Specifications of DTPMP
State: Liquid
Diethylene Triamine Penta Methylene Phosphonic Acid is a liquid compound, which makes it easy to handle and apply in various industrial processes. The liquid form allows for accurate dosing and uniform distribution when added to systems like water treatment, cooling towers, and boilers. Its liquid state ensures it mixes well with water and other chemical solutions, enhancing its effectiveness in sequestering metal ions and preventing scale formation or corrosion.
pH (1% solution): <2.0
The pH of a 1% DTPMP solution is less than 2.0, indicating that it is highly acidic. This low pH is beneficial for breaking down scales and preventing mineral deposits in systems where acidity is required for efficient operation. The acidic nature also helps DTPMPA Chemical to act as an Achievable corrosion inhibitor and metal ion sequestering agent in various industrial processes, particularly in water treatment.
Density @ 25 °C: 1.42 ± 0.02
DTPMP has a density of 1.42 ± 0.02 g/cm³ at 25°C, which indicates that it is relatively dense compared to water. This density allows it to remain stable in solution, providing consistent performance in its applications. The higher density ensures that the compound effectively settles and integrates into systems, ensuring that it delivers its intended function of preventing scale and corrosion without easily evaporating or dispersing in the environment.
Color: Amber aqueous solution
Diethylene Triamine Penta (Methylene Phosphonic Acid) is an amber-colored aqueous solution, which gives it a distinct appearance. This characteristic color is a natural result of the chemical composition and is often used to identify the compound in industrial settings. The amber hue does not affect its effectiveness, and the color can serve as a visual indicator of its concentration and quality, making it easier for operators to monitor and adjust when necessary.
Odor: Mild acidic
The odor of Diethylene Triamine Penta Methylene Phosphonic Acid DTPMP is mildly acidic, which is typical for phosphonic acids. This mild acidic smell is not overpowering and reflects the compound’s nature as an organo-phosphonic acid. While the odor may be noticeable, it is not strong enough to cause discomfort, and it generally dissipates when the chemical is diluted or dissolved in water. The mild acidic odor indicates that the chemical is working in its intended acidic environment.
Solid Content (min.): 50.0 ± 2.0 %
DTPMP has a minimum solid content of 50.0 ± 2.0%, meaning at least half of the solution is comprised of the active chemical. This high concentration ensures that DTPMPA Chemical delivers effective results in applications requiring strong metal ion sequestration and scale inhibition. The solid content also contributes to the stability of the product, allowing it to perform consistently over time in high-demand industrial environments.
Chlorides as HCl (%): 15.0 – 17.0
The chloride content in Diethylene Triamine Penta (Methylene Phosphonic) Acid is between 15.0 and 17.0% as HCl. Chlorides are often present in phosphonic acid compounds, and their concentration can affect the performance and stability of the product. In DTPMP, the chloride content is controlled to ensure optimal efficacy without causing corrosion or other issues in sensitive equipment. This level of chloride provides the right balance for the compound to act as an effective scale and corrosion inhibitor in various industrial processes.
Iron Content (ppm): < 10.0
The iron content in DTPMP Chemical is less than 10.0 parts per million (ppm), indicating that it is a very low-contaminant product. This low iron content ensures that the chemical does not contribute to unwanted reactions or the formation of iron-based scales in industrial systems. The minimal presence of iron helps maintain the purity and performance of DTPMP, ensuring it remains effective in applications such as water treatment and industrial cleaning.
Solubility in Water: Soluble in all proportions
DTPMP is completely soluble in water in all proportions, which makes it highly versatile and easy to use in various aqueous solutions. Its ability to dissolve fully allows it to mix easily with water, ensuring consistent distribution and uniform action across the system. Whether used in small or large quantities, DTPMP maintains its efficacy in preventing scale, corrosion, and metal ion precipitation, making it a reliable choice for a wide range of industrial applications.

How to Work DTPMP in Water Treatment Formulations
DTPMP is widely used in water treatment formulations, particularly as a scale inhibitor, antiscalant, and scale & corrosion inhibitor. Its primary function is to prevent the formation of scale, which can damage equipment and reduce the efficiency of industrial systems, such as cooling towers, boilers, and heat exchangers.
As a scale inhibitor and antiscalant, DTPMP Chemical works by sequestering metal ions, particularly calcium and magnesium, which are responsible for the formation of hard water scale. When dissolved in water, DTPMP binds to these ions, keeping them in solution and preventing them from precipitating and forming solid scale deposits. This helps maintain the smooth operation of water systems by reducing the buildup of mineral deposits that can cause blockages or damage to pipes, valves, and other components.
Diethylene Triamine Penta Methylene Phosphonic Acid DTPMPA also functions effectively as a scale & corrosion inhibitor. By stabilizing metal ions and preventing their deposition, it minimizes the risk of corrosion in systems where water comes into contact with metal surfaces. In the presence of DTPMP, the protective layers on metal surfaces are maintained, reducing the likelihood of rust and other forms of corrosion that can degrade equipment performance.
In water treatment, Diethylene Triamine Penta Methylene Phosphonic Acid DTPMP is often used in combination with other chemicals to optimize system performance, improve water quality, and extend the life of industrial equipment. Its high stability across a wide pH range and elevated temperatures makes it an excellent choice for various water treatment applications, ensuring that water systems remain efficient and free from scaling and corrosion.
How to Work DTPMP in Soap / Detergent & Personal Care Product Additive
Diethylene Triamine Penta (Methylene Phosphonic) Acid is used as an effective additive in soap, detergent, and personal care products due to its unique ability to control mineral buildup and enhance product performance. In these formulations, DTPMP serves primarily as a chelating agent and a scale inhibitor, improving the efficiency of the product and providing additional benefits for users.
In soaps and detergents, DTPMPA Chemical works by sequestering metal ions such as calcium, magnesium, and iron, which are commonly found in hard water. Hard water can interfere with the performance of soaps and detergents by reducing their foaming capacity and effectiveness. By binding to these metal ions, DTPMPA Chemical helps prevent the formation of insoluble salts (like soap scum) that can form when soap reacts with hard water. This ensures that soaps and detergents work more efficiently, providing better lather and improving cleaning power.
In personal care products, such as shampoos, body washes, and facial cleansers, Diethylene Triamine Penta Methylene Phosphonic Acid enhances the stability and texture of the product by preventing the formation of unwanted deposits. It also helps to maintain the clarity of the product by preventing mineral precipitation, which can affect the appearance and texture of the formulation. The chelating action of DTPMP ensures that the skin and hair are less exposed to harsh minerals that might cause irritation or dullness.
Moreover, DTPMP's stability across a wide range of pH values makes it ideal for a variety of personal care formulations. It helps maintain the desired properties of products over time and ensures consistent quality, making it a valuable ingredient in the manufacturing of soap, detergent, and personal care products.
How to Work DTPMP in I & I Cleaners
Diethylene Triamine Penta Methylene Phosphonic Acid DTPMP is highly effective in Industrial & Institutional (I&I) cleaners due to its ability to prevent mineral scale buildup and enhance the cleaning action. I&I cleaners are used in various industrial settings, such as food processing plants, manufacturing facilities, and large-scale cleaning applications, where hard water and mineral deposits can hinder cleaning efficiency.
Diethylene Triamine Penta (Methylene Phosphonic Acid) works as a scale inhibitor and chelating agent, targeting metal ions like calcium and magnesium found in hard water. These ions can form scale deposits on surfaces, making cleaning more difficult and less effective. By sequestering these ions, DTPMP keeps them in solution, preventing the formation of stubborn mineral scales and soap scum. This improves the cleaning action of the detergents and helps achieve better results with less effort, especially in environments with hard water.
In addition to scale inhibition, Diethylene Triamine Penta Methylene Phosphonic Acid acts as a corrosion inhibitor, protecting equipment and metal surfaces from rust and corrosion during cleaning processes. This is particularly important in industrial settings where metal surfaces, such as pipes, tanks, and machinery, are frequently exposed to cleaning solutions. By preventing corrosion, DTPMP helps extend the lifespan of equipment, reducing maintenance costs and downtime.
Furthermore, DTPMP’s effectiveness at a wide range of pH levels and temperatures makes it versatile for various industrial cleaning formulations, ensuring consistent performance in different conditions. Overall, its ability to enhance cleaning power, prevent scale buildup, and protect equipment makes DTPMP a valuable additive in I&I cleaners.
Maxwell Additives - A Premium Quality DTPMP Manufacturer
Maxwell Additives is a leading manufacturer and supplier of premium-quality Supplier of DTPMPA Chemical, With a strong reputation for delivering high-performance chemicals, Maxwell Additives has established itself as a trusted name in the chemical industry. The company specializes in producing DTPMP, a powerful scale and corrosion inhibitor, widely used in water treatment, soap and detergent formulations, industrial cleaners, and personal care products.
Maxwell Additives prides itself on maintaining stringent quality control measures, ensuring that every batch of DTPMPA Chemical meets the highest industry standards. Their commitment to excellence, coupled with a customer-centric approach, allows them to provide tailored solutions that meet the unique needs of various industrial sectors. Whether it's for enhancing cleaning efficiency, improving water system performance, or extending the lifespan of equipment, Maxwell Additives consistently delivers reliable, high-quality products that optimize operations and provide long-term value.
In conclusion, DTPMP is a highly versatile and effective organo-phosphonic acid compound with a wide range of industrial applications. Whether used as a scale inhibitor, corrosion protector, or metal ion sequestering agent, DTPMP plays a vital role in improving the efficiency and longevity of systems in water treatment, soap and detergent formulations, industrial cleaners, and personal care products. Its excellent hydrolytic and thermal stability, along with its ability to work across a wide pH range and at elevated temperatures, makes it an ideal choice for many demanding environments.
Manufacturers like Maxwell Additives provide premium-quality DTPMP that meets rigorous industry standards, ensuring reliable performance and effective solutions for various industrial needs. However, handling DTPMP requires appropriate safety precautions, such as wearing gloves, goggles, and avoiding ingestion or direct contact with skin and eyes.
Overall, DTPMP's diverse range of properties and its ability to address key challenges like scale formation, corrosion, and metal ion precipitation make it an essential additive in many sectors, helping businesses maintain smooth operations and improve system performance.