Description

[[[Bis(2-Chloropropoxy)Stibino]Oxy](4-Methoxyphenyl)Methyl]Phosphonic Acid Diethyl Ester is a specialized organophosphorus compound containing antimony, designed for advanced synthetic and catalytic applications. This high-value intermediate is critical for researchers and manufacturers requiring precise molecular architecture in complex chemical synthesis. It is particularly relevant for the development of novel materials, ligands, and specialty chemicals in sectors such as pharmaceuticals, agrochemicals, and advanced polymer research.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring specific phosphonate or organoantimony motifs.
• Catalyst & Ligand Precursor: Used in the development and preparation of specialized catalysts and ligands for transition metal-catalyzed reactions, including cross-coupling and polymerization processes.
• Agrochemical Research: Acts as an intermediate in the research and development of new-generation pesticides, herbicides, and plant growth regulators with unique modes of action.
• Material Science: Employed in the synthesis of functional polymers, flame retardants, and additives where phosphorus and antimony components impart specific properties like thermal stability or flame resistance.
• Chemical Synthesis Reagent: Provides a versatile reagent for introducing the [[[Bis(2-Chloropropoxy)Stibino]Oxy](4-Methoxyphenyl)Methyl]phosphonate group into target molecules in organic and organometallic chemistry.

Basic Information

Item	Details
Product Name	[[[Bis(2-Chloropropoxy)Stibino]Oxy](4-Methoxyphenyl)Methyl]Phosphonic Acid Diethyl Ester
CAS No.	74038-45-2
Molecular Formula	C18H31Cl2O6PSb
Molecular Weight	584.08 g/mol
Synonyms	Diethyl [[[Bis(2-chloropropoxy)stibino]oxy](4-methoxyphenyl)methyl]phosphonate; Phosphonic acid, [[[bis(2-chloropropoxy)stibino]oxy](4-methoxyphenyl)methyl]-, diethyl ester; [[[Bis(2-Chloropropoxy)Stibinyl]Oxy](4-Methoxyphenyl)Methyl]phosphonic Acid Diethyl Ester; Antimony-containing phosphonate ester; (4-Methoxyphenyl)[[bis(2-chloropropoxy)stibino]oxy]methylphosphonic acid diethyl ester
EINECS	Contact for details

Quality Control

Every batch of [[[Bis(2-Chloropropoxy)Stibino]Oxy](4-Methoxyphenyl)Methyl]Phosphonic Acid Diethyl Ester is produced and tested under strict quality management protocols to ensure consistency and purity for research and industrial use. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with exacting customer specifications. Certificates of Analysis (COA) detailing purity, identity, 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, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or viscous oil
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (NMR)	Conforms
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.