Description

Diethyl 8-Bromooctylphosphonate is a versatile organophosphorus compound featuring a bromoalkyl chain, making it a valuable bifunctional building block in synthetic chemistry. Its primary value lies in its dual reactivity, where the bromine atom serves as an excellent leaving group for nucleophilic substitution, and the phosphonate group acts as a precursor for stabilized carbanions via the Horner-Wadsworth-Emmons reaction. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require precise chain extension and olefination steps to construct complex molecules.

Application

• Pharmaceutical Intermediates: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific carbon chain lengths and olefin geometries.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators that incorporate phosphonate or long-chain alkyl functionalities.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent for creating functional polymers, coatings, and specialty materials with tailored properties.
• Ligand & Catalyst Development: Employed in the preparation of phosphonate-based ligands for metal catalysis and organocatalysis.
• Organic Synthesis & Research: A crucial reagent for homologation reactions, C-C bond formation, and the construction of complex natural product analogs in academic and industrial R&D.
• Surface Modification: Can be used to functionalize surfaces with phosphonate groups for improved adhesion, corrosion resistance, or biocompatibility.

Basic Information

Product Name	Diethyl 8-Bromooctylphosphonate
CAS No.	124939-70-4
Molecular Formula	C₁₂H₂₆BrO₃P
Molecular Weight	329.21 g/mol
Synonyms	8-Bromooctyldiethylphosphonate; Diethyl (8-bromooctyl)phosphonate; (8-Bromooctyl)phosphonic acid diethyl ester; Diethyl phosphorobromooctanoate; BR-8-Phosphonate; Octyl-8-bromo-diethylphosphonate; Phosphonic acid, P-(8-bromooctyl)-, diethyl ester
EINECS	Contact for details

Quality Control

Our Diethyl 8-Bromooctylphosphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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