Description

(2-Hydroxy-1,1-Dimethylethyl)Dimethylammonium Hydrogen Maleate is a quaternary ammonium salt derivative of maleic acid, serving as a versatile intermediate and functional additive. Its structure combines a cationic ammonium center with an anionic maleate counterion, making it valuable for applications requiring controlled release, buffering, or surface modification. This compound is particularly relevant for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking advanced chemical building blocks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring quaternary ammonium functionalities or controlled-release profiles.
• Agrochemical Formulations: Acts as a stabilizer, compatibilizer, or intermediate in the production of herbicides, fungicides, and plant growth regulators.
• Polymer Additive: Functions as a catalyst, curing agent, or antistatic agent in specialty polymer and resin systems, including epoxy and acrylic formulations.
• Personal Care Products: Employed as a conditioning agent or preservative booster in hair care and skincare formulations due to its cationic nature.
• Corrosion Inhibitor: Used in industrial water treatment and metalworking fluids to protect ferrous and non-ferrous metals.
• Research & Development: Serves as a key reagent in organic synthesis and material science research for creating novel ionic compounds.

Basic Information

Item	Detail
Product Name	(2-Hydroxy-1,1-Dimethylethyl)Dimethylammonium Hydrogen Maleate
CAS No.	67874-85-5
Molecular Formula	C9H19NO5
Molecular Weight	221.25 g/mol
Synonyms	2-Hydroxy-2-methyl-1-propanaminium, N,N,N-trimethyl-, (Z)-2-butenedioate (1:1); 2-Hydroxy-2-methylpropyltrimethylammonium hydrogen maleate; (2-Hydroxy-1,1-dimethylethyl)trimethylammonium hydrogen maleate; 2-Hydroxy-2-methylpropyltrimethylammonium maleate; 1,1-Dimethyl-2-hydroxyethyl dimethylammonium hydrogen maleate; TMAH Maleate derivative; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our (2-Hydroxy-1,1-Dimethylethyl)Dimethylammonium Hydrogen Maleate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical specifications. Our quality commitment supports applications requiring GMP-grade materials and compliance with global regulatory standards like REACH.

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 minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

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 %
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
pH (5% solution)	3.5 - 5.5

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