Description

Bis(2-Methylphenyl)-Phosphine Oxide is a specialized organophosphorus compound that serves as a versatile intermediate and ligand in advanced chemical synthesis. Its value lies in its ability to impart unique reactivity and stability in catalytic systems and polymer formulations. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new materials and active ingredients.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly in reactions requiring phosphine oxide ligands or as a building block for complex molecules.
• Catalyst Ligand Precursor: Acts as a precursor for phosphine ligands in transition metal catalysis, enabling cross-coupling and other key organic transformations.
• Flame Retardant Synergist: Employed as a component in flame-retardant formulations for plastics and textiles, enhancing thermal stability.
• Polymer Additive & Modifier: Used to modify polymer properties, such as improving thermal resistance or acting as a plasticizer in high-performance resins.
• Agrochemical Synthesis: Serves as an intermediate in the production of herbicides, insecticides, and plant growth regulators.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organophosphorus chemistry and material science applications.

Basic Information

Product Name	Bis(2-Methylphenyl)-Phosphine Oxide
CAS No.	30309-80-9
Molecular Formula	C₁₄H₁₅OP
Molecular Weight	230.24 g/mol
Synonyms	Di-o-tolylphosphine oxide; Bis(o-tolyl)phosphine oxide; (2-Methylphenyl)phosphine oxide, bis-; Phosphine oxide, bis(2-methylphenyl)-; o-Tolylphosphine oxide; DOTPO; 2-Methylphenylphosphine oxide, bis-; Bis(2-methylphenyl)phosphine oxide
EINECS	Contact for details

Quality Control

Our Bis(2-Methylphenyl)-Phosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request 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 incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

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%
Heavy Metals	≤ 20 ppm

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