Description

Diethyl Isobutylphosphonate is a high-purity organophosphorus compound, specifically a dialkyl phosphonate ester. This chemical serves as a versatile and critical intermediate in advanced organic synthesis, valued for its role in constructing complex phosphorus-containing molecules. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality building blocks for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with phosphonate or phosphate ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, insecticides, and plant growth regulators where the phosphonate moiety is integral to biological activity.
• Ligand and Catalyst Precursor: Serves as a starting material for the preparation of specialized phosphine ligands used in homogeneous catalysis and metal complexation.
• Flame Retardant Additive Development: Employed in research and production of phosphorus-based flame retardants for polymers and textiles.
• Extractant and Solvent: Utilized in specialized solvent extraction processes for metal ions and in niche applications as a high-boiling polar aprotic solvent.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D for exploring new reactions in organophosphorus chemistry.

Basic Information

Item	Detail
Product Name	Diethyl Isobutylphosphonate
CAS No.	50655-63-5
Molecular Formula	C8H19O3P
Molecular Weight	194.21 g/mol
Synonyms	Isobutylphosphonic Acid Diethyl Ester; Diethyl Isobutylphosphonate; Diethyl (2-Methylpropyl)phosphonate; (2-Methylpropyl)phosphonic Acid Diethyl Ester; Diethyl P-Isobutylphosphonate; Isobutyl Diethyl Phosphonate; EINECS 256-676-1
EINECS	256-676-1

Quality Control

Every batch of Diethyl Isobutylphosphonate is produced and tested under a strict quality management system to ensure high purity, consistency, and traceability. Our standard grade typically meets a purity specification of ≥97% (by GC), with custom higher purities available. Identity is confirmed by FT-IR and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 and incompatible materials. For long-term storage, consider using an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.425 - 1.435
Density (20°C)	0.980 - 1.010 g/mL

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