Description

Tetraethyl 1,4-Phenylenebisphosphate is an organophosphorus compound primarily used as a key intermediate in the synthesis of advanced materials and specialty chemicals. Its value lies in its role as a versatile building block for creating flame retardants, polymer additives, and ligands for metal catalysis. This product is essential for R&D laboratories and industrial manufacturers in the polymer, electronics, and fine chemical sectors seeking to develop high-performance materials.

Application

• Flame Retardant Intermediate: A critical precursor in the synthesis of high-efficiency, halogen-free flame retardants for engineering plastics, textiles, and epoxy resins.
• Polymer Additive Synthesis: Used to manufacture phosphorous-based plasticizers and stabilizers that enhance the thermal and mechanical properties of polymers.
• Ligand for Catalysis: Serves as a chelating ligand or precursor for metal-organic frameworks (MOFs) and homogeneous catalysts in organic synthesis.
• Electrolyte Additive: Investigated for use as an additive in lithium-ion battery electrolytes to improve thermal stability and cycle life.
• Specialty Chemical Building Block: Employed in organic synthesis for constructing complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	Tetraethyl 1,4-Phenylenebisphosphate
CAS No.	57246-14-7
Molecular Formula	C14H24O8P2
Molecular Weight	382.28 g/mol
Synonyms	1,4-Phenylenebisphosphonic Acid Tetraethyl Ester; Tetraethyl p-Phenylenebisphosphonate; p-Phenylenebis(phosphonic Acid) Tetraethyl Ester; Tetraethyl (1,4-Phenylene)bis(phosphonate); Bis(diethylphosphonato)benzene; 1,4-Bis(diethoxyphosphoryl)benzene; Benzene-1,4-diylbis(diethyl phosphonate)
EINECS	Contact for details

Quality Control

Our Tetraethyl 1,4-Phenylenebisphosphate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed and under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.