Description

2-Hydroxybenzaldehyde 2,4-Dinitrophenylhydrazone is a specialized organic derivative of salicylaldehyde, widely recognized as a key analytical reagent and synthetic intermediate. Its primary value lies in its role as a highly effective chromogenic agent for the qualitative and quantitative detection of carbonyl compounds, including aldehydes and ketones. This compound is essential for researchers and quality control laboratories in the pharmaceutical, chemical, and academic sectors, where precise analytical methods are critical.

Application

• Analytical Chemistry Reagent: Primarily used as a derivatizing agent for the spectrophotometric and chromatographic (HPLC, TLC) analysis of aldehydes and ketones, forming characteristic hydrazone derivatives.
• Pharmaceutical Research: Employed in the development and validation of analytical methods for drug substances and impurities that contain carbonyl functional groups.
• Chemical Synthesis: Serves as a versatile building block or intermediate in organic synthesis for creating more complex heterocyclic compounds and dyes.
• Food & Flavor Analysis: Applied in trace analysis for detecting carbonyl compounds that are markers of quality, spoilage, or authenticity in food products.
• Environmental Testing: Utilized in methods for detecting and quantifying low levels of airborne or waterborne carbonyl pollutants like formaldehyde and acetaldehyde.
• Academic & Teaching Laboratories: A standard reagent for undergraduate and graduate-level experiments in organic chemistry and analytical chemistry courses.

Basic Information

Product Name	2-Hydroxybenzaldehyde 2,4-Dinitrophenylhydrazone
CAS No.	1160-76-5
Molecular Formula	C₁₃H₁₀N₄O₅
Molecular Weight	302.24 g/mol
Synonyms	Salicylaldehyde 2,4-Dinitrophenylhydrazone; 2,4-DNPH Derivative of Salicylaldehyde; 2-Hydroxybenzaldehyde 2,4-DNPH; 2,4-Dinitrophenylhydrazone of 2-Hydroxybenzaldehyde; o-Hydroxybenzaldehyde 2,4-dinitrophenylhydrazone; Salicylaldehyde DNPH; (E)-2-((2-(2,4-Dinitrophenyl)hydrazineylidene)methyl)phenol
EINECS	Contact for details

Quality Control

Our 2-Hydroxybenzaldehyde 2,4-Dinitrophenylhydrazone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as an analytical reagent. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and related substances 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). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

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	≤ 0.5%
Residue on Ignition	≤ 0.1%

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