Description

Diheptyl Maleate is a diester of maleic acid, valued for its role as a versatile chemical intermediate and plasticizer. Its molecular structure provides excellent solvating properties and compatibility with various polymers, making it a key component in specialty formulations. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable performance additives.

Application

• Plasticizer for PVC and other polymers, enhancing flexibility and processability.
• Intermediate for synthesizing specialty chemicals, including surfactants and lubricant additives.
• Component in adhesive and sealant formulations to improve tack and durability.
• Co-additive in coating resins to modify film properties and drying characteristics.
• Solvent and carrier fluid in industrial and agricultural chemical preparations.
• Monomer for copolymerization reactions to create custom polymeric materials.

Basic Information

Product Name	Diheptyl Maleate
CAS No.	31983-42-3
Molecular Formula	C18H32O4
Molecular Weight	312.45 g/mol
Synonyms	Di-n-heptyl maleate; Heptyl maleate; Maleic acid diheptyl ester; Diheptyl 2-butenedioate; Bis(heptyl) maleate; DNHP; 1-Heptyl 2-butenedioate
EINECS	Contact for details

Quality Control

Our Diheptyl Maleate is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and key parameters is provided with every shipment to guarantee consistency and traceability for our global B2B clients.

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 oxidizing agents, heat, and ignition sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.930 - 0.950
Refractive Index (20°C)	1.445 - 1.455

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