Description

1,3-Propylenediaminetetraacetic Acid is a high-purity, versatile chelating agent and complexing compound. It is valued for its strong ability to sequester di- and trivalent metal ions, forming stable, water-soluble complexes under a wide range of pH conditions. This product is essential for industries requiring precise metal ion control, including pharmaceuticals, analytical chemistry, and specialty chemical synthesis.

Application

• Pharmaceutical Synthesis & Formulation: Acts as a stabilizing agent and metal scavenger in active pharmaceutical ingredient (API) manufacturing and parenteral preparations.
• Analytical Chemistry Reagent: Used as a masking agent in complexometric titrations (e.g., EDTA-type titrations) and to prepare buffer solutions for trace metal analysis.
• Industrial Process Chemistry: Serves as a chelant in catalysts, electroplating baths, and textile processing to control metal ion interference.
• Research & Development: Employed in biochemical and biomedical research for studying metal-dependent enzyme systems and protein purification.
• Specialty Chemical Intermediate: Utilized in the synthesis of more complex polyaminocarboxylic acids and macrocyclic ligands.

Basic Information

Product Name	1,3-Propylenediaminetetraacetic Acid
CAS No.	1939-36-2
Molecular Formula	C11H18N2O8
Molecular Weight	306.27 g/mol
Synonyms	1,3-PDTA; 1,3-Propanediaminetetraacetic Acid; Trimethylenediaminetetraacetic Acid; 1,3-Diaminopropane-N,N,N',N'-tetraacetic Acid; NSC 5291; 1,3-Bis(carboxymethylamino)propane-N,N-diacetic Acid; Propane-1,3-diyldinitrilotetraacetic Acid
EINECS	217-710-3

Quality Control

Our 1,3-Propylenediaminetetraacetic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use 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	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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