Description

(tert-Butyl)Phenylphosphinic Acid is a specialized organophosphorus compound that serves as a versatile building block and ligand in advanced chemical synthesis. Its value lies in its unique steric and electronic properties provided by the tert-butyl and phenyl groups, which are critical for modulating reactivity and selectivity in catalytic systems. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic disorders.
• Catalyst Ligand Synthesis: Used to prepare chiral and achiral phosphine ligands for asymmetric catalysis and cross-coupling reactions (e.g., Suzuki, Heck).
• Agrochemical Active Ingredient Development: Serves as a building block for creating new herbicides, fungicides, and plant growth regulators.
• Flame Retardant Synergist: Acts as a component in advanced flame-retardant formulations for polymers and engineering plastics.
• Organic Light-Emitting Diode (OLED) Materials: Utilized in the research and development of electron-transport or host materials for display technologies.
• Metal Extraction & Chelation: Functions as a selective extractant or chelating agent for specific metal ions in hydrometallurgy and analytical chemistry.
• Polymer Modification: Employed to introduce phosphinic acid functional groups into polymer chains to enhance properties like adhesion or thermal stability.
• Academic & Industrial R&D: A valuable reagent for exploring new reaction methodologies and organophosphorus chemistry in research laboratories.

Basic Information

Product Name	(tert-Butyl)Phenylphosphinic Acid
CAS No.	4923-86-8
Molecular Formula	C10H15O2P
Molecular Weight	198.20 g/mol
Synonyms	Phenyl(tert-butyl)phosphinic acid; tert-Butyl(phenyl)phosphinic acid; (tert-Butyl)(phenyl)phosphinic acid; P,P-Di-tert-butyl-P-phenylphosphinic acid (common misnomer); Phosphinic acid, P-(1,1-dimethylethyl)-P-phenyl-; Phosphinic acid, (1,1-dimethylethyl)phenyl-; t-Butylphenylphosphinic acid
EINECS	225-550-8

Quality Control

Our (tert-Butyl)Phenylphosphinic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and heat sources. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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