Description

Dilithium Fumarate is a high-purity lithium salt of fumaric acid, serving as a stable and bioavailable source of lithium ions. This compound is critical for applications requiring precise lithium delivery with minimal counterion interference. It is primarily utilized in the pharmaceutical industry for active pharmaceutical ingredient (API) synthesis and in advanced material science for lithium-ion battery research and electrolyte formulation.

Application

• Pharmaceutical Intermediate: Used in the synthesis of lithium-based active pharmaceutical ingredients (APIs) for mood-stabilizing treatments.
• Electrolyte Additive: Investigated as a potential additive or precursor in lithium-ion battery electrolytes to enhance stability and performance.
• Nutritional Supplement Precursor: Serves as a source of lithium in the formulation of specialized nutritional supplements.
• Research & Development: A key reagent in chemical and material science research for developing new lithium compounds and polymers.
• Organic Synthesis: Acts as a catalyst or reagent in specific organic synthesis reactions where a lithium cation source is required.

Basic Information

Product Name	Dilithium Fumarate
CAS No.	24820-18-6
Molecular Formula	C4H2Li2O4
Molecular Weight	131.90 g/mol
Synonyms	Lithium Fumarate; Fumaric Acid Dilithium Salt; Dilithium (E)-But-2-enedioate; (2E)-2-Butenedioic Acid Dilithium Salt; EINECS 246-476-6; But-2-enedioic Acid Dilithium Salt; trans-1,2-Ethylenedicarboxylic Acid Dilithium Salt
EINECS	246-476-6

Quality Control

Our Dilithium Fumarate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and research applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Dilithium Fumarate)	≥ 98.0 %
Water Content (KF)	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %
pH (5% solution)	6.0 - 8.0

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