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Diethylenetriaminepentaacetic acid (DTPA)

DTPA; Pentetic acid; Diethylenepentamine pentaacetic acid; N,N-Bis(carboxymethyl)-N,N'-bis(carboxymethyl)ethylenediamine

CAS 67-43-6

Chemical Formula C₁₄H₂₃N₃O₁₀

Molecular Weight 393.35 g/mol

Diethylenetriaminepentaacetic acid (DTPA) is a chelating agent widely used in agriculture, pharmaceuticals, and industrial applications. It helps bind and control metal ions, making it useful in fertilizers, medical imaging, and water treatment processes. DTPA is especially valued for its strong metal-binding capacity.

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Industrial Uses

1. Pharmaceuticals

Chelating Agent in Radiopharmaceuticals: DTPA is used to bind metal ions in diagnostic imaging (e.g. MRI contrast agents using gadolinium-DTPA).
Heavy Metal Detoxification: Used in chelation therapy to remove excess metals like iron or plutonium from the body.

2. Performance Chemicals

Metal Ion Sequestrant: DTPA is used in reactions to control metal-catalyzed side reactions by chelating interfering metal ions.
Stabilizer in Catalytic Systems: It can help maintain the activity of metal catalysts by preventing unwanted reactions.

3. Agrochemicals

Micronutrient Chelate: DTPA is used to chelate metal micronutrients like iron, zinc, copper, and manganese, making them more bioavailable to plants.
Stabilizing Fertilizers: It prevents precipitation of metal ions, improving shelf life and effectiveness of fertilizer formulations.

4. Paints, Coatings & Adhesives

Stability Additive: DTPA helps stabilize adhesive systems by chelating metal ions that may catalyze premature curing or degradation.
Improved Shelf Life: Enhances formulation stability by preventing reactions caused by trace metal impurities.

Specifications

Assay	≥ 99% (typical)
Appearance	White to off-white crystalline powder
Odor	Odorless
Boiling Point	Decomposes before boiling
Melting Point	~233–235°C (with decomposition)
Density	~1.01 g/cm³ (in aqueous solution)
Solubility	Slightly soluble in water (better as sodium salt); insoluble in alcohol
Viscosity	Not applicable (solid)
Flash Point	Not flammable

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FAQs

1. What is the current price of Diethylenetriaminepentaacetic acid (DTPA) in India?
The price of Diethylenetriaminepentaacetic acid (DTPA) can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 for a customized quote tailored to your needs.

2. Where can I buy Diethylenetriaminepentaacetic acid (DTPA) in India?
You can purchase Diethylenetriaminepentaacetic acid (DTPA) from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Diethylenetriaminepentaacetic acid (DTPA)?
Our minimum order quantity (MOQ) for Diethylenetriaminepentaacetic acid (DTPA) is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Diethylenetriaminepentaacetic acid (DTPA)?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.