Description

Bis[(4-Chlorophenyl)Thiomethylene]Biphosphonic Acid, Tetraisopropyl Ester is a high-purity, organophosphorus chemical intermediate of significant interest in advanced synthesis. This compound matters for its role as a key building block in the development of novel ligands, catalysts, and functional materials, offering precise molecular architecture for specialized applications. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to incorporate sophisticated phosphonate functionalities into target molecules.

Application

• As a precursor for metal-chelating ligands used in catalysis and material science.
• In the research and development of novel pharmaceutical candidates, particularly those targeting bone-related disorders or requiring phosphonate moieties.
• As a specialized intermediate in agrochemical synthesis for creating new active ingredients with modified properties.
• For the development of functional monomers or additives in advanced polymer and resin systems.
• In academic and industrial research exploring the chemistry of thiomethylene-bridged biphosphonates.
• As a standard or reference material for analytical method development and quality control in related chemical production.

Basic Information

Product Name	Bis[(4-Chlorophenyl)Thiomethylene]Biphosphonic Acid, Tetraisopropyl Ester
CAS No.	887353-24-4
Molecular Formula	C23H30Cl2O6P2S
Molecular Weight	559.38 g/mol
Synonyms	Tetraisopropyl Bis(4-chlorophenylthiomethylene)diphosphonate; Tetraisopropyl [({[(4-Chlorophenyl)sulfanyl]methylidene}bis{phosphonic acid})] diester; Bis(4-chlorophenylthiomethylene)diphosphonic Acid Tetraisopropyl Ester; 1,1'-[({[(4-Chlorophenyl)sulfanyl]methylidene})bis(phosphonic acid)] Tetraisopropyl Ester; (4-Chlorophenylthiomethylene)diphosphonate Tetraisopropyl Ester
EINECS	Contact for details

Quality Control

Our production of Bis[(4-Chlorophenyl)Thiomethylene]Biphosphonic Acid, Tetraisopropyl Ester adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, 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, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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