Description

Dipropyl cis-Butenedioic Acid is a diester derivative of maleic acid, characterized by its specific cis-configuration and propyl ester groups. This compound serves as a versatile chemical intermediate and specialty solvent, valued for its reactivity and solvating power in advanced synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and polymer industries for applications requiring a controlled ester functionality.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer & Resin Modifier: Acts as a plasticizer or a reactive monomer in the production of specialty polymers and coatings.
• Agrochemical Synthesis: Serves as a key building block in the manufacture of certain herbicides and fungicides.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloaddition processes as a dienophile.
• Specialty Solvent: Functions as a processing solvent for high-value materials in R&D and fine chemical production.
• Flavor & Fragrance Ingredient: Used in the controlled synthesis of ester-based aroma compounds.

Basic Information

Product Name	Dipropyl cis-Butenedioic Acid
CAS No.	2432-63-5
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	Dipropyl maleate; Di-n-propyl maleate; Maleic acid dipropyl ester; Propyl maleate; cis-Butenedioic acid dipropyl ester; 1,2-Dipropoxycarbonylethylene; Dipropyl (Z)-butenedioate; Dipropyl (Z)-2-butenedioate
EINECS	219-409-9

Quality Control

Our Dipropyl cis-Butenedioic Acid 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 specifications such as assay, identity (IR), and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.442 - 1.446
Specific Gravity (20/20°C)	1.020 - 1.040

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