Description

3-Hydroxybenzylphosphonic Acid is a specialized organophosphorus compound featuring both phenolic and phosphonic acid functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules and modifying material surfaces. It is particularly relevant for researchers and manufacturers in the pharmaceutical and advanced materials sectors. The compound is supplied to a global market with a focus on consistent quality and reliable supply chain support.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for bone-targeting therapies and enzyme inhibitors.
• Ligand for Metal Chelation: Used in the development of chelating agents and catalysts due to the strong binding affinity of the phosphonate group for metal ions.
• Surface Modification Agent: Applied to functionalize metal oxides and other inorganic surfaces, improving adhesion, corrosion resistance, or biocompatibility in coatings and composites.
• Research & Development: Employed in academic and industrial R&D for exploring new organophosphorus chemistry, material science, and medicinal chemistry applications.
• Precursor for Flame Retardants: Acts as a starting material for developing phosphorus-containing flame retardant additives for polymers and textiles.

Basic Information

Product Name	3-Hydroxybenzylphosphonic Acid
CAS No.	1263034-18-9
Molecular Formula	C7H9O4P
Molecular Weight	188.12 g/mol
Synonyms	(3-Hydroxyphenyl)methylphosphonic Acid; m-Hydroxybenzylphosphonic Acid; 3-(Phosphonomethyl)phenol; Benzylphosphonic Acid, 3-hydroxy-; P-(3-Hydroxybenzyl)phosphonic Acid
EINECS	Contact for details

Quality Control

Our 3-Hydroxybenzylphosphonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) documenting 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Melting Point	Contact for details

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