Description

Peg3-Bis(Phosphonic Acid) CAS NO 254762-10-2 is a high-purity, functionalized organic phosphonate compound featuring a triethylene glycol spacer. This molecular structure is critical for applications requiring precise metal chelation, surface modification, and controlled molecular spacing. It serves as a versatile building block and intermediate for researchers and manufacturers in advanced material science and specialty chemistry sectors.

Application

• Metal Chelation & Sequestration: Effective chelating agent for divalent and trivalent metal ions in industrial water treatment and process chemistry.
• Surface Functionalization Agent: Used to modify metal oxide surfaces (e.g., titanium dioxide, iron oxide) to impart specific hydrophilicity or for subsequent bioconjugation.
• Pharmaceutical Intermediate: Serves as a key synthon in the development of bone-targeting bisphosphonate drug candidates and diagnostic agents.
• Material Science Precursor: Employed in the synthesis of functional polymers, hydrogels, and hybrid organic-inorganic materials where phosphonate groups enhance adhesion to mineral surfaces.
• Corrosion Inhibition Formulations: Acts as a component in advanced corrosion-resistant coatings for metals, leveraging its strong surface binding affinity.
• Nanoparticle Stabilization: Utilized to cap and stabilize inorganic nanoparticles, preventing aggregation and enabling dispersion in aqueous media.

Basic Information

Product Name	Peg3-Bis(Phosphonic Acid)
CAS No.	254762-10-2
Molecular Formula	C6H16O9P2
Molecular Weight	294.14 g/mol
Synonyms	1,11-Bis(phosphono)-3,6,9-trioxaundecane; Triethylene glycol bis(phosphonic acid); TEG-Bisphosphonate; 3,6,9-Trioxaundecane-1,11-diylbis(phosphonic acid); PEG3-Bisphosphonic Acid; (3,6,9-Trioxaundecane-1,11-diyl)diphosphonic acid; 2-[2-[2-[Bis(phosphonomethyl)amino]ethoxy]ethoxy]ethanol (tautomeric form); Amino triethylene glycol bisphosphonate precursor
EINECS	Contact for details

Quality Control

Our Peg3-Bis(Phosphonic Acid) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay, impurity profile, and moisture content. Our quality commitment supports applications in GMP-related research and high-performance material synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). For long-term storage, consider using desiccants or storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility	Soluble in water, aqueous bases

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