Description

Tetralithium 4,4'-Carbonylbisphthalate is a specialized lithium salt of a carbonylbisphthalate derivative, serving as a high-performance intermediate and functional additive. This compound is valued for its unique ionic and structural properties, which are critical in advanced material synthesis and energy storage applications. It is primarily sought by manufacturers in the polymer, battery, and specialty chemical industries for developing next-generation products requiring precise lithium content and thermal stability.

Application

• As a key monomer or cross-linking agent in the synthesis of high-performance, thermally stable polyimides and polyester resins.
• As a functional additive or precursor in solid polymer electrolytes and advanced components for lithium-ion batteries.
• In the formulation of specialty coatings and adhesives requiring enhanced ionic conductivity or thermal resistance.
• As an intermediate in organic synthesis for pharmaceuticals and agrochemicals requiring specific lithium-mediated reactions.
• In research and development of novel coordination polymers and metal-organic frameworks (MOFs).
• As a potential flame retardant synergist or stabilizer in specific polymer compositions.

Basic Information

Product Name	Tetralithium 4,4'-Carbonylbisphthalate
CAS No.	68226-87-9
Molecular Formula	C17H4Li4O9
Molecular Weight	~ 392.0 g/mol (Contact for details)
Synonyms	Lithium 4,4'-Carbonylbisphthalate; Tetralithium 4,4'-(Carbonylbis(oxy))diphthalate; 4,4'-Carbonylbisphthalic Acid Tetralithium Salt; Lithium Salt of 4,4'-Carbonylbisphthalic Acid; 4,4'-(Carbonyldioxy)diphthalic Acid Tetralithium Salt; 68226-87-9; Tetralithium Carbonylbisphthalate
EINECS	Contact for details

Quality Control

Our Tetralithium 4,4'-Carbonylbisphthalate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee product integrity and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at room temperature (15-25°C) under low humidity conditions. The container should be kept sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Lithium Content	Contact for details
Residue on Ignition	Contact for details

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