Description

Di-Sodium Maleate Dihydrate is the disodium salt of maleic acid, isolated as a stable dihydrate crystal. This high-purity organic salt is valued for its role as a versatile chemical intermediate and chelating agent in advanced synthesis. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-quality raw materials for complex formulations.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and specialty fine chemicals.
• Chelating Agent: Functions as a metal ion sequestrant in industrial water treatment and cleaning formulations.
• Polymer & Resin Production: Serves as a monomer or cross-linking agent in the manufacture of specialty polymers and coatings.
• Agrochemical Synthesis: A key building block in the production of certain herbicides, fungicides, and plant growth regulators.
• Chemical Synthesis: Employed as a precursor or catalyst component in various organic synthesis reactions.
• Laboratory Reagent: Used as a standardized reagent in analytical chemistry and research applications.

Basic Information

Product Name	Di-Sodium Maleate Dihydrate
CAS No.	25880-69-7
Molecular Formula	C4H2Na2O4·2H2O
Molecular Weight	192.08 g/mol
Synonyms	Disodium Maleate Dihydrate; Maleic Acid Disodium Salt Dihydrate; Sodium Maleate Dihydrate; Disodium (Z)-But-2-enedioate Dihydrate; Disodium (Z)-2-Butenedioate Dihydrate; Disodium cis-Ethylene-1,2-dicarboxylate Dihydrate; Maleate Disodium Salt Dihydrate
EINECS	Contact for details

Quality Control

Our Di-Sodium Maleate Dihydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 product is hygroscopic (moisture-sensitive) and must be kept in a low-humidity environment to prevent caking and maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Anhydrous Basis)	≥98.0%
pH (5% Solution)	7.0 - 9.0
Water Content (Karl Fischer)	17.0 - 19.0%
Heavy Metals (as Pb)	≤10 ppm
Residue on Ignition	≤0.1%

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