Description

Propyl Hydrogen Maleate CAS NO 925-03-1 is a versatile organic acid ester, specifically the mono-propyl ester of maleic acid. This compound serves as a valuable chemical intermediate and building block in the synthesis of more complex molecules, including polymers, resins, and specialty additives. It is primarily sought by manufacturers in the polymer, coatings, and pharmaceutical intermediate industries for its reactive carboxyl and ester functionalities.

Application

• Polymer & Resin Synthesis: Key monomer or co-monomer for producing specialty polyesters, alkyd resins, and surface-coating agents.
• Crosslinking Agent: Used in the formulation of thermosetting polymers and coatings to enhance durability and chemical resistance.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Adhesive & Sealant Formulations: Imparts improved adhesion and flexibility in industrial adhesive systems.
• Lubricant & Fuel Additives: Acts as an intermediate for manufacturing additives that improve performance and stability.
• Organic Synthesis: A versatile reagent for Diels-Alder reactions and other organic transformations in R&D and production.

Basic Information

Product Name	Propyl Hydrogen Maleate
CAS No.	925-03-1
Molecular Formula	C7H10O4
Molecular Weight	158.15 g/mol
Synonyms	Mono-n-propyl maleate; Propyl hydrogen maleate; 1-Propyl hydrogen maleate; Maleic acid monopropyl ester; Propyl maleate (monoester); 2-Butenedioic acid, mono-propyl ester; Propyl acid maleate
EINECS	213-103-4

Quality Control

Our Propyl Hydrogen Maleate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including assay, purity, and impurity profile checks, to ensure it meets precise customer requirements. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all relevant specifications and test results.

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). Keep away from strong bases, oxidizing agents, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Specific Gravity	Contact for details

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