Description

Heptanoic Anhydride is a versatile organic acid anhydride derived from heptanoic acid, serving as a key acylating and esterifying agent in advanced chemical synthesis. Its value lies in its ability to efficiently introduce the heptanoyl moiety, a seven-carbon chain, which is crucial for modifying the physical and chemical properties of target molecules. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new compounds or optimize existing processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing lipophilic side chains to enhance bioavailability.
• Agrochemical Synthesis: Acts as a building block for producing herbicides, fungicides, and plant growth regulators that require specific carbon chain lengths.
• Polymer Modification: Employed as a monomer or modifier in the production of polyesters, polyamides, and specialty polymers to alter flexibility and solubility.
• Flavor & Fragrance Industry: Serves as a precursor for the synthesis of esters used as flavoring agents and fragrance components.
• Lubricant & Plasticizer Additive: Utilized in the manufacture of synthetic lubricants and plasticizers where heptanoate esters provide desired performance characteristics.
• Organic Synthesis Reagent: A fundamental reagent for acylation reactions in academic and industrial research laboratories.
• Surface Coating Agent: Incorporated into coatings and resins to improve adhesion, water resistance, and durability.

Basic Information

Product Name	Heptanoic Anhydride
CAS No.	626-27-7
Molecular Formula	C14H26O3
Molecular Weight	242.35 g/mol
Synonyms	Enanthic Anhydride; Heptanoyl Anhydride; Oenanthic Anhydride; n-Heptanoic Anhydride; Heptanoic Acid Anhydride; Diheptanoic Anhydride; Heptanoic Anhydride (Enanthic); 1-Heptanecarboxylic Anhydride
EINECS	210-945-4

Quality Control

Our Heptanoic Anhydride is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards, and each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. For customers with specific regulatory or application requirements, we can provide material that aligns with custom specifications or cGMP guidelines upon request.

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). This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent hydrolysis. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Free Acid (as Heptanoic Acid)	≤ 1.0%
Water Content (KF)	≤ 0.2%
Refractive Index (n20D)	1.428 - 1.432
Density (g/mL at 20°C)	0.920 - 0.930

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