Description

(2-Bromoethyl)Phosphonic Acid Dibutyl Ester is a specialized organophosphorus compound with a reactive bromoethyl group, serving as a valuable intermediate in advanced organic synthesis. Its bifunctional structure allows it to act as a key building block for the introduction of phosphonate moieties into target molecules, enabling the creation of novel materials with tailored properties. This product is essential for researchers and manufacturers in the agrochemical and pharmaceutical sectors developing new active ingredients, as well as for material scientists working on flame retardants, polymer modifiers, and metal extraction agents.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel herbicides, plant growth regulators, and fungicides that utilize phosphonate chemistry for enhanced activity.
• Pharmaceutical Synthesis: Used as a versatile building block for creating prodrugs or active pharmaceutical ingredients (APIs) where a phosphonate ester group is required for biological activity or metabolic stability.
• Flame Retardant Formulation: Incorporated as a reactive intermediate in the production of phosphorus-based flame retardants for polymers and textiles.
• Polymer Modification: Acts as a monomer or cross-linking agent to introduce phosphonate functionality into polymer chains, improving adhesion, thermal stability, or metal-chelating properties.
• Metal Extraction & Chelation: Serves as a precursor for synthesizing selective extractants and chelating agents used in hydrometallurgy and wastewater treatment for metal ion recovery.
• Ligand Synthesis: Utilized in organic and coordination chemistry to create novel phosphonate-containing ligands for catalysis and material science applications.

Basic Information

Product Name	(2-Bromoethyl)Phosphonic Acid Dibutyl Ester
CAS No.	74038-35-0
Molecular Formula	C10H22BrO3P
Molecular Weight	301.16 g/mol
Synonyms	Dibutyl (2-bromoethyl)phosphonate; 2-Bromoethylphosphonic Acid Dibutyl Ester; (2-Bromoethyl)phosphonic Acid Di-n-butyl Ester; Di-n-butyl (2-bromoethyl)phosphonate; Phosphonic Acid, (2-Bromoethyl)-, Dibutyl Ester; BRBEP; Dibutyl 2-bromoethylphosphonate
EINECS	Contact for details

Quality Control

Our (2-Bromoethyl)Phosphonic Acid Dibutyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets precise specifications for synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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