Description

(1,3-Propanediyl)Bis(Nitrilo)Tetraacetic Acid Tetrasodium Salt is a high-purity, water-soluble chelating agent and complexometric titrant. Its primary value lies in its strong and selective binding affinity for di- and trivalent metal ions, making it essential for processes requiring precise metal sequestration or analysis. This compound is a critical raw material for manufacturers and researchers in the pharmaceutical, analytical chemistry, and industrial water treatment sectors.

Application

• Analytical Chemistry: Used as a primary standard and complexing agent in complexometric titrations for the determination of metal ion concentrations.
• Pharmaceutical Synthesis & Formulation: Acts as a stabilizing agent and metal chelator in drug formulations to prevent catalytic degradation and improve shelf-life.
• Industrial Water Treatment: Employed in boiler and cooling water systems to sequester scale-forming cations like calcium and magnesium, preventing deposits and corrosion.
• Laboratory Research: Serves as a key reagent in biochemical and molecular biology buffers to control free metal ion concentrations in enzymatic assays.
• Cleaning Agent Formulations: Incorporated into industrial and institutional cleaning products to enhance detergent performance by inactivating water hardness ions.
• Pulp & Paper Processing: Used to chelate metal ions that can catalyze the decomposition of bleaching agents like hydrogen peroxide, improving process efficiency.

Basic Information

Product Name	(1,3-Propanediyl)Bis(Nitrilo)Tetraacetic Acid Tetrasodium Salt
CAS No.	18719-03-4
Molecular Formula	C11H14N2Na4O8
Molecular Weight	400.19 g/mol
Synonyms	1,3-Propanediaminetetraacetic Acid Tetrasodium Salt; PDTA Tetrasodium Salt; 1,3-Diaminopropane-N,N,N',N'-tetraacetic Acid Tetrasodium Salt; Tetrasodium 1,3-Propylenediaminetetraacetate; 1,3-Propanediamine-N,N,N',N'-tetraacetic Acid Tetrasodium Salt; 1,3-PDTA Na4; 1,3-Propanediaminetetraacetate Tetrasodium Salt; 1,3-Propylenedinitrilotetraacetic Acid Tetrasodium Salt
EINECS	242-523-3

Quality Control

Our (1,3-Propanediyl)Bis(Nitrilo)Tetraacetic Acid Tetrasodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for analytical and industrial applications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect purity and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
pH (5% Solution)	9.0 - 11.0
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.01 %

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