Description

Tpen CAS NO 16858-02-9 is a high-purity, multidentate aminopolycarboxylate chelating agent, specifically N,N,N',N'-Tetrakis(2-pyridylmethyl)ethylenediamine. This compound is valued for its exceptional ability to form stable complexes with a wide range of metal ions, particularly transition metals. It is an essential reagent for researchers and industrial chemists in fields requiring precise metal ion control and analysis. Its applications span advanced chemical synthesis, biochemical research, and materials science.

Application

• Biochemical Research: Used as a potent chelator in metalloenzyme studies and to control free metal ion concentrations in buffer systems.
• Chemical Synthesis: Serves as a ligand in catalysis for oxidation reactions and in the synthesis of coordination polymers and metal-organic frameworks (MOFs).
• Analytical Chemistry: Employed in complexometric titrations and as a component in sensors for the detection of specific metal ions.
• Materials Science: Facilitates the preparation of functional materials with tailored magnetic or optical properties.
• Pharmaceutical Intermediates: Acts as a key building block or chelating agent in the development of certain therapeutic compounds.
• Industrial Water Treatment: Investigated for use in specialized scenarios requiring high-affinity sequestration of problematic metal ions.

Basic Information

Product Name	Tpen
CAS No.	16858-02-9
Molecular Formula	C26H28N6
Molecular Weight	424.54 g/mol
Synonyms	N,N,N',N'-Tetrakis(2-pyridylmethyl)ethylenediamine; TPEN; N,N,N',N'-Tetrakis(pyridin-2-ylmethyl)ethane-1,2-diamine; Ethylenediamine-N,N,N',N'-tetra-2-pyridine; 1,2-Bis[bis(2-pyridylmethyl)amino]ethane; Tetrakis(2-pyridylmethyl)ethylenediamine; Chelator TPEN; TPEN Chelator
EINECS	240-875-0

Quality Control

Our Tpen is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assessment and identity confirmation via spectroscopic methods. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key specifications such as assay, appearance, and residual solvent content. We adhere to relevant industry standards to support research and development applications.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white 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.