Description

Gadolinium-1,4,7-Triazacyclononane-N,N',N''-Tris(Methylenephosphonic Acid) is a highly stable gadolinium(III) chelate complex, designed for superior performance in demanding applications. This compound is critical for industries requiring precise paramagnetic properties and exceptional thermodynamic and kinetic stability. It is primarily utilized by manufacturers and researchers in the medical imaging, advanced materials, and analytical chemistry sectors.

Application

• Magnetic Resonance Imaging (MRI) Contrast Agents: Serves as a key precursor or model compound for developing high-relaxivity, next-generation contrast media.
• Catalysis Research: Acts as a Lewis acid catalyst or catalyst component in specialized organic synthesis and polymerization reactions.
• Luminescent Materials: Used in the development of advanced phosphors and luminescent probes due to gadolinium's unique photophysical properties.
• Chemical Sensing: Employed as a core component in the design of sensitive and selective sensors for anions or small molecules.
• Wastewater Treatment: Potential application in the selective removal or recovery of specific ions through its strong chelating phosphonate groups.
• Academic & Industrial R&D: A vital research chemical for studying lanthanide coordination chemistry, relaxivity mechanisms, and novel material properties.

Basic Information

Product Name	Gadolinium-1,4,7-Triazacyclononane-N,N',N''-Tris(Methylenephosphonic Acid)
CAS No.	121183-84-4
Molecular Formula	C12H24GdN3O9P3
Molecular Weight	622.51 g/mol (anhydrous)
Synonyms	Gadolinium NOTP; Gd(NOTA-phosphonate); Gd(III)-1,4,7-Triazacyclononane-1,4,7-triyl-tris(methylenephosphonic acid); Gd-NOTA-phosphonate; NOTP-Gd; Gadolinium complex of NOTP; 1,4,7-Triazacyclononane-N,N',N''-tris(methylenephosphonic acid) gadolinium(III) complex
EINECS	Contact for details

Quality Control

Our Gadolinium-1,4,7-Triazacyclononane-N,N',N''-Tris(Methylenephosphonic Acid) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and other critical parameters is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (Gd Content)	≥ 95.0% (by ICP-OES)
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
pH (1% aqueous solution)	3.0 - 5.0

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