Description

Diethylenetriaminetetraacetic Acid is a high-purity, versatile chelating agent and complexing compound. It is valued for its exceptional ability to sequester a wide range of di- and trivalent metal ions, forming stable, water-soluble complexes. This makes it a critical component for industries requiring precise metal ion control, such as pharmaceuticals, analytical chemistry, and industrial water treatment.

Application

• Pharmaceutical Synthesis & Formulation: Acts as a stabilizing agent and metal scavenger in active pharmaceutical ingredient (API) manufacturing and parenteral solutions.
• Analytical Chemistry & Titration: Used as a primary standard and complexometric titrant for the precise determination of metal ion concentrations.
• Industrial Water Treatment: Functions as a powerful scale and corrosion inhibitor in boiler and cooling water systems by chelating calcium, magnesium, and iron ions.
• Chemical Manufacturing & Catalysis: Serves as a ligand in catalytic processes and a purification agent to remove trace metal contaminants from sensitive chemical products.
• Laboratory Research & Reagents: Employed in buffer solutions and as a component in molecular biology and biochemical assays to control metal-dependent reactions.
• Cosmetics & Personal Care: Used in trace amounts as a chelating agent to enhance the stability and shelf-life of formulations by preventing metal-catalyzed degradation.

Basic Information

Product Name	Diethylenetriaminetetraacetic Acid
CAS No.	13811-41-1
Molecular Formula	C14H23N3O10
Molecular Weight	393.35 g/mol
Synonyms	DTPA; Diethylenetriaminepentaacetic Acid (common misnomer); N,N-Bis[2-[bis(carboxymethyl)amino]ethyl]glycine; 2,2',2'',2'''-(1,4,7-Triazonane-1,4,7-triyl)tetraacetic acid; Pentetic Acid (USP); 1,4,7-Tris(carboxymethyl)-1,4,7-triazaheptane; H5dtpa; Chel DTPA
EINECS	237-486-2

Quality Control

Our Diethylenetriaminetetraacetic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and analytical applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0 %
Residue on Ignition (Sulfated Ash)	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 5 ppm

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