Description

(2,4-Dimethyl-Phenyl)-Phosphonic Acid CAS NO 111192-85-9 is a specialized organophosphorus compound featuring a phosphonic acid group attached to a dimethyl-substituted phenyl ring. This structural motif makes it a valuable intermediate and ligand in advanced chemical synthesis and materials science. It is primarily sought after by research and development teams, as well as production chemists, in the pharmaceutical, agrochemical, and specialty materials sectors for constructing complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting bone diseases or requiring phosphonate-based bioisosteres.
• Agrochemical Synthesis: Used in the production of herbicides, plant growth regulators, and other crop protection agents where the phosphonic acid group confers specific biological activity.
• Ligand for Catalysis: Acts as a chelating ligand in transition metal catalysis, enabling various cross-coupling and other organic transformations critical for fine chemical manufacturing.
• Metal Surface Treatment: Employed in formulations for corrosion inhibition and as an adhesion promoter on metal surfaces in coatings and pretreatment processes.
• Flame Retardant Synergist: Incorporated into polymer blends and materials to enhance flame-retardant properties, often in combination with other compounds.
• Research & Development: A crucial reagent in academic and industrial R&D for exploring new synthetic methodologies and developing functional materials like metal-organic frameworks (MOFs).

Basic Information

Product Name	(2,4-Dimethyl-Phenyl)-Phosphonic Acid
CAS No.	111192-85-9
Molecular Formula	C8H11O3P
Molecular Weight	186.15 g/mol
Synonyms	2,4-Dimethylphenylphosphonic Acid; (2,4-Dimethylphenyl)phosphonic Acid; Phosphonic Acid, P-(2,4-Dimethylphenyl)-; 2,4-Xylylphosphonic Acid; (2,4-DMPPA); 111192-85-9; (2,4-Dimethyl-Phenyl)-Phosphonsäure (German)
EINECS	Contact for details

Quality Control

Every batch of (2,4-Dimethyl-Phenyl)-Phosphonic Acid is manufactured under a strict quality management system. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with exacting industry standards. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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