Description

Di-Sodium Maleate Dihydrate is the disodium salt of maleic acid, crystallized with two molecules of water. This high-purity specialty chemical serves as a versatile intermediate and additive, valued for its ionic properties and reactivity. It is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking reliable, consistent raw materials for synthesis and formulation processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Polymer & Resin Production: Acts as a comonomer or cross-linking agent in the manufacture of specialty polymers and coatings.
• Agrochemical Formulations: Serves as a component or intermediate in the production of herbicides, pesticides, and plant growth regulators.
• Chelating Agent: Functions in water treatment and industrial cleaning formulations to sequester metal ions.
• Chemical Synthesis: A key building block for organic synthesis, including Diels-Alder reactions and esterifications.
• Laboratory Reagent: Used as a standardized reagent in analytical and research chemistry applications.

Basic Information

Product Name	Di-Sodium Maleate Dihydrate
CAS No.	53172-74-0
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; 2-Butenedioic Acid (2Z)-, Disodium Salt, Dihydrate; Disodium (Z)-2-Butenedioate Dihydrate; Maleic Acid Sodium Salt Dihydrate
EINECS	Contact for details

Quality Control

Our Di-Sodium Maleate Dihydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and fine chemical applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request.

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 dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
Water Content (KF)	17.0 - 19.0%
pH (5% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 10 ppm

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