Description

3,5-Diphosphonobenzoic Acid is a specialized bifunctional organic compound that integrates a benzoic acid core with two phosphonic acid groups. This unique molecular architecture provides exceptional chelating and metal-binding properties, making it a critical intermediate for advanced material science and pharmaceutical research. It is essential for researchers and manufacturers developing novel metal-organic frameworks (MOFs), high-performance scale inhibitors for industrial water treatment, and targeted bone-seeking therapeutic agents.

Application

• Metal-Organic Framework (MOF) Synthesis: Serves as a versatile organic linker for constructing porous coordination polymers with tailored pore sizes and high surface areas for gas storage, separation, and catalysis.
• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling water systems, boilers, and reverse osmosis membranes due to its strong affinity for calcium, magnesium, and other metal ions.
• Pharmaceutical Development: Utilized as a key precursor in the synthesis of bisphosphonate drugs for treating bone disorders such as osteoporosis and Paget's disease, thanks to its bone-targeting phosphonate groups.
• Surface Modification & Functionalization: Used to create self-assembled monolayers (SAMs) on metal oxide surfaces (e.g., titanium, stainless steel) to improve biocompatibility, corrosion resistance, or to attach other functional molecules.
• Analytical Chemistry & Chelation Therapy: Functions as a powerful chelating agent in analytical methods for metal ion detection and separation, and as a potential candidate for chelation therapy to remove toxic heavy metals.
• Dental & Biomedical Materials: Incorporated into adhesives, cements, and coatings to enhance bonding to mineralized tissues like teeth and bone.

Basic Information

Product Name	3,5-Diphosphonobenzoic Acid
CAS No.	1192028-87-7
Molecular Formula	C7H8O8P2
Molecular Weight	282.08 g/mol
Synonyms	Benzoic acid, 3,5-bis(phosphono)-; 3,5-Bis(phosphono)benzoic acid; 3,5-Diphosphonobenzoic Acid; 3,5-Di(phosphono)benzoic Acid; 3-Carboxy-1,5-phenylenediphosphonic Acid; 3,5-Diphosphono Benzoic Acid; 3,5-Di(phosphonic acid)benzoic Acid
EINECS	Contact for details

Quality Control

Our 3,5-Diphosphonobenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR for structural confirmation, and ICP-MS for heavy metal screening, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (ICP-MS)	≤ 20 ppm
Solubility	Soluble in alkaline aqueous solutions; partially soluble in strong acid/organic solvent mixtures

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