Description

Ammonium Hydrogen Maleate is a versatile organic salt derived from maleic acid. This compound is valued for its role as a key intermediate and buffering agent in various chemical syntheses and industrial processes. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise pH control or specific ionic properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Buffer Agent: Serves as a component in buffer solutions for biochemical and diagnostic applications.
• Polymer Industry: Acts as a monomer or cross-linking agent in the production of specialty resins and coatings.
• Agrochemical Synthesis: Employed as a building block in the manufacture of certain herbicides and plant growth regulators.
• Chemical Research: Utilized in laboratories as a reagent for organic synthesis and analytical chemistry.
• Water Treatment: Functions as a chelating agent in specific industrial water treatment formulations.

Basic Information

Product Name	Ammonium Hydrogen Maleate
CAS No.	44742-89-4
Molecular Formula	C4H7NO4
Molecular Weight	133.10 g/mol
Synonyms	Ammonium maleate (acid); Maleic acid monoammonium salt; Monoammonium maleate; Ammonium hydrogen maleate; 2-Butenedioic acid (Z)-, monoammonium salt; Ammonium acid maleate; 1-Ammonium hydrogen (Z)-but-2-enedioate
EINECS	Contact for details

Quality Control

Our Ammonium Hydrogen Maleate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available upon request to support your quality assurance protocols.

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); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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