Description

Tetramethylammonium Hydrogen Maleate is a quaternary ammonium salt of maleic acid, offering a unique combination of organic cation and dicarboxylate anion. This compound is valued for its role as a versatile intermediate and catalyst in advanced organic synthesis and materials science. It is particularly relevant for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking precise ionic reagents.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals requiring quaternary ammonium functionalities.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, improving yield and efficiency in organic synthesis.
• Ionic Liquid Precursor: Serves as a starting material for the development of tailored ionic liquids with specific solubility and electrochemical properties.
• Polymer Modification: Employed to introduce ionic groups into polymer chains, modifying properties like hydrophilicity and conductivity.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic methods and other analytical techniques.
• Electroplating Additive: Functions as a brightening or leveling agent in specialized electroplating baths.

Basic Information

Product Name	Tetramethylammonium Hydrogen Maleate
CAS No.	67037-15-4
Molecular Formula	C9H17NO4
Molecular Weight	203.24 g/mol
Synonyms	Tetramethylammonium Maleate (Hydrogen Salt); N,N,N-Trimethylmethanaminium Hydrogen Maleate; Maleic Acid Hydrogen Tetramethylammonium Salt; Tetramethylammonium Acid Maleate; TMAHM; Tetramethylammonium Monomaleate; (Z)-But-2-enedioic Acid; Tetramethylazanium Hydrogen Maleate
EINECS	Contact for details

Quality Control

Our Tetramethylammonium Hydrogen Maleate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all critical parameters 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 under dry conditions to prevent caking or decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%

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