Description

2,3-Heptanedione (CAS NO 19960-40-8) is a high-purity diketone compound valued for its distinctive buttery, creamy flavor and aroma profile. This chemical is a critical flavor and fragrance intermediate, enabling the creation of authentic dairy and nutty notes in complex formulations. It is essential for manufacturers in the flavor & fragrance, food & beverage, and specialty chemical synthesis industries seeking consistent quality and reliable supply for their end products.

Application

• Flavor & Fragrance (F&F) Industry: A key building block for synthesizing butter, cream, cheese, and nut flavor compounds.
• Food & Beverage Additives: Used as a flavor enhancer in dairy products, baked goods, confectionery, and savory snacks.
• Aroma Chemical Production: Serves as a precursor in the manufacture of sophisticated fragrance ingredients for perfumes and personal care products.
• Chemical Synthesis: Acts as a versatile intermediate in organic synthesis, particularly for heterocyclic compounds and complex ketones.
• Research & Development: Utilized in analytical laboratories and R&D centers for method development and as a reference standard.
• Tobacco Flavoring: Employed to impart and modify flavor notes in tobacco products.

Basic Information

Product Name	2,3-Heptanedione
CAS No.	19960-40-8
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Acetylvaleryl; Butyrylacetone; 2,3-Heptanedione; Heptane-2,3-dione; 1-Methyl-2,3-hexanedione; Valerylacetyl; 2,3-Dioxoheptane; Acetyl pentanoyl
EINECS	243-418-7

Quality Control

Our 2,3-Heptanedione is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and IR spectroscopy, to ensure it meets the high-purity standards required for flavor, fragrance, and synthesis applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal purity and shelf life. Keep away from strong oxidizers, acids, and bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.415 - 1.425
Specific Gravity (20/20°C)	0.920 - 0.935
Related Substances (GC)	≤ 2.0% total
Water Content (KF)	≤ 0.5%

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