Diethylenetriaminepentaacetic acid referred to as DTPA, is a high-efficiency polyamino polycarboxylic acid chelating agent with higher chelating value than EDTA. It has outstanding complexing effect on high-valent heavy metal ions, high temperature resistance and strong salt resistance, widely used in high-demand fields such as industrial water treatment, agricultural chelated fertilizer, rare earth separation, papermaking bleaching and oilfield chemical industry.
| Chemical Name | Diethylenetriaminepentaacetic Acid |
| Chemical Formula | C₁₄H₂₃N₃O₁₀ |
| CAS No. | 67-43-6 |
| Appearance | White crystalline powder |
| Melting Point | About 230℃ (Decomposition) |
| Solubility | Slightly soluble in cold water, easily soluble in hot water and alkaline solution |
| Stability | Stable under dry condition at normal temperature, better heat resistance than conventional chelating agents |
Used as high-efficiency scale inhibitor for power plant circulating water, high-end chelated trace element fertilizer, rare earth metal extraction and separation agent, pulp bleaching stabilizer, corrosion inhibition chelating agent for industrial circulating cooling water, high-purity complexing agent for electronic cleaning.
Store hermetically in cool and dry warehouse, strictly prevent moisture and dust, keep away from heat sources and acid-base media, handle gently to prevent powder flying.
We mainly supply agricultural fertilizers including urea, potassium sulfate, ammonium chloride and water-soluble fertilizer materials; as well as industrial chemical raw materials such as calcium chloride, sodium bicarbonate and phosphate products.
Yes. We can provide batch COA, MSDS, certificate of origin and other full set of export documents to meet customs clearance requirements worldwide.
Sure. We offer agricultural grade and industrial grade products. Customized purity, particle size and packaging are all available as customers' demands.
Sample order is acceptable. For bulk orders, goods can be delivered within 3-7 days for in-stock items. We also support long-term bulk order production arrangement.
We offer exclusive one-on-one pre-sales and after-sales responses throughout the process, along with customized supporting solutions, ensuring high efficiency, peace of mind, and reliable and stable delivery.
With 26 years of in-depth experience in the chemical industry, we have a well-established supply chain system, sufficient production capacity reserves, and the ability to provide large-scale supplies and continuous delivery.
We adhere to research and development innovation and strict quality control. Our formula and process are mature and stable, and our products feature high purity, stable performance, and are suitable for high-end application requirements in multiple industries.
If you have any questions, concerns, or need assistance, please feel free to contact us via phone, email, or online customer service at any time, and we will provide you with support and answers as soon as possible.
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