Description

4-Hydroxy-3-Methoxybenzaldehyde 2,4-Dinitrophenyl Hydrazone is a specialized derivative of vanillin, widely utilized as a key analytical reagent and synthetic intermediate. Its primary value lies in its role as a derivatization agent for the sensitive detection and quantification of carbonyl compounds, particularly aldehydes and ketones, via spectrophotometric or chromatographic methods. This compound is essential for researchers and quality control laboratories in the pharmaceutical, food and flavor, and environmental analysis sectors, where precise carbonyl compound analysis is critical.

Application

• Analytical Chemistry Reagent: Used as a derivatizing agent for the spectrophotometric and HPLC analysis of aldehydes and ketones, forming highly colored hydrazones for sensitive detection.
• Pharmaceutical Research: Employed in the analysis and quality control of drug substances and excipients that contain aldehyde or ketone functional groups.
• Food & Flavor Analysis: Applied in the detection and quantification of flavor compounds, such as vanillin and other aromatic aldehydes, in food products and beverages.
• Environmental Testing: Utilized for monitoring carbonyl pollutants, including formaldehyde and acetaldehyde, in air and water samples.
• Organic Synthesis Intermediate: Serves as a building block for synthesizing more complex heterocyclic compounds and dyes.
• Academic & Industrial R&D: A standard reagent in research laboratories for method development and teaching purposes in carbonyl chemistry.

Basic Information

Product Name	4-Hydroxy-3-Methoxybenzaldehyde 2,4-Dinitrophenyl Hydrazone
CAS No.	1166-13-8
Molecular Formula	C14H12N4O6
Molecular Weight	332.27 g/mol
Synonyms	Vanillin 2,4-Dinitrophenylhydrazone; Vanillin DNPH; 4-Hydroxy-3-methoxybenzaldehyde 2,4-dinitrophenylhydrazone; Vanillin-2,4-DNPH; 2,4-Dinitrophenylhydrazone of vanillin; 3-Methoxy-4-hydroxybenzaldehyde 2,4-dinitrophenylhydrazone; Vanillin derivative DNPH; DNPH derivative of vanillin
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-3-Methoxybenzaldehyde 2,4-Dinitrophenyl Hydrazone is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for analytical reagent applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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