Description

Diacetyl Bis(2,4-Dinitrophenylhydrazone) is a specialized organic compound belonging to the class of dinitrophenylhydrazones. This compound is primarily valued as a highly sensitive and selective analytical reagent for the detection and quantification of carbonyl compounds, particularly diacetyl and other α-diketones. It is essential for research and quality control laboratories requiring precise analytical methods. Key industries that utilize this reagent include food and flavor analysis, environmental monitoring, and chemical synthesis research.

Application

• Analytical Chemistry Reagent: Used as a derivatizing agent for the spectrophotometric or chromatographic (HPLC) analysis of diacetyl, a key flavor compound in dairy products and fermented beverages.
• Food and Flavor Industry QC: Critical for the quantitative determination of diacetyl levels in butter, beer, wine, and other foodstuffs to ensure product consistency and flavor profile.
• Environmental Testing: Employed in methods for detecting trace levels of airborne carbonyl compounds in occupational health and industrial hygiene studies.
• Pharmaceutical Research: Serves as a reagent in synthetic chemistry pathways and for the analysis of pharmaceutical intermediates containing carbonyl functionalities.
• Chemical Synthesis: Acts as a building block or intermediate in the preparation of more complex heterocyclic compounds and dyes.
• Academic and R&D Laboratories: A standard reagent for teaching and research projects involving carbonyl group chemistry and analytical method development.

Basic Information

Product Name	Diacetyl Bis(2,4-Dinitrophenylhydrazone)
CAS No.	1179-29-9
Molecular Formula	C22H18N8O8
Molecular Weight	498.42 g/mol
Synonyms	Diacetyl bis(2,4-dinitrophenylhydrazone); 2,4-DNPH derivative of diacetyl; Butanedione bis(2,4-dinitrophenylhydrazone); 2,3-Butanedione 2,3-bis(2,4-dinitrophenylhydrazone); Biacetyl bis(2,4-dinitrophenylhydrazone); Diacetyl dinitrophenylhydrazone; DNPH derivative of 2,3-butanedione
EINECS	Contact for details

Quality Control

Our Diacetyl Bis(2,4-Dinitrophenylhydrazone) is manufactured under strict quality protocols to ensure high purity and batch-to-batch consistency suitable for analytical applications. Each lot is tested to confirm identity, purity, and performance as a derivatization reagent. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, melting point, and spectral identity is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive (store away from light) and should be handled to minimize prolonged exposure to ambient conditions.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Melting Point	Contact for details
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Solubility	Soluble in common organic solvents (e.g., DMSO, acetonitrile)

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