Description

Di-n-Heptyl Malonate is a high-purity diester compound, specifically the diheptyl ester of malonic acid. This specialty chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its defined molecular structure and consistent performance. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for the development of novel compounds and materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring specific alkyl chain lengths.
• Agrochemical Synthesis: Serves as a key precursor in the manufacturing of certain herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a plasticizer or comonomer to modify the flexibility and properties of specialty polymers and coatings.
• Organic Synthesis Building Block: Employed in Knoevenagel condensations and other carbon-carbon bond-forming reactions to construct complex molecular frameworks.
• Flavor & Fragrance Ingredient: Used in the controlled synthesis of esters that contribute to specific aroma and flavor profiles.
• Lubricant & Fuel Additive Component: Functions as a synthetic base or intermediate in the formulation of high-performance lubricants and fuel additives.

Basic Information

Product Name	Di-n-Heptyl Malonate
CAS No.	1117-18-6
Molecular Formula	C17H32O4
Molecular Weight	300.44 g/mol
Synonyms	Diheptyl Malonate; Heptyl Malonate; Malonic Acid Diheptyl Ester; Di-n-heptyl Propanedioate; Propanedioic Acid, Diheptyl Ester; 1,7-Diheptyl Malonate; Bis(heptyl) Malonate
EINECS	214-250-4

Quality Control

Our Di-n-Heptyl Malonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee it meets your precise research or production requirements.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.445
Density (20°C)	0.950 - 0.970 g/mL

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