Description

Diethylenetriaminepentaacetic Dianhydride is a high-purity, reactive anhydride derivative of the versatile chelating agent DTPA. This compound matters for its role as a critical intermediate in the synthesis of advanced chelating polymers, functional materials, and high-performance additives. It is essential for industries such as polymer chemistry, water treatment, and specialty chemical manufacturing, where it is used to introduce strong metal-chelating functionality into various matrices.

Application

• Synthesis of Chelating Polymers & Resins: A key monomer for producing polymers with high metal ion binding capacity for water softening and purification.
• Functional Material Production: Used to create modified surfaces, membranes, and nanomaterials with specific metal adsorption properties.
• Crosslinking Agent: Serves as a crosslinker in the production of specialty coatings, adhesives, and composites requiring enhanced stability.
• Pharmaceutical Intermediate: Employed in the research and development of contrast agents and other metal-chelating pharmaceutical compounds.
• Analytical Chemistry Reagent: Used in the preparation of specialized reagents for complexometric titrations and metal analysis.
• Catalyst & Additive Precursor: Acts as a precursor for catalysts and performance additives in various industrial chemical processes.

Basic Information

Product Name	Diethylenetriaminepentaacetic Dianhydride
CAS No.	23911-26-4
Molecular Formula	C14H12N3O10
Molecular Weight	382.26 g/mol
Synonyms	DTPA Dianhydride; Diethylenetriamine-N,N,N',N'',N''-pentaacetic Dianhydride; Pentetic Acid Dianhydride; 2,2',2'',2''',2''''-(1,4,7-Triazonane-1,4,7-triyl)pentaacetic Dianhydride; DTPADA; DTPA Anhydride; DTPA-Bisanhydride; DTPA-DA
EINECS	Contact for details

Quality Control

Our Diethylenetriaminepentaacetic Dianhydride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade specifications. Certificates of Analysis (COA) detailing all quality parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can compromise product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.