Description

o-Tolualdehyde 2,4-Dinitrophenylhydrazone is a high-purity analytical reference standard and chemical derivative, specifically a hydrazone of o-tolualdehyde. This compound is of significant value for its role as a critical reagent in the derivatization and subsequent analysis of carbonyl compounds, particularly aldehydes and ketones, via spectrophotometric or chromatographic methods. It is primarily needed by analytical laboratories, research institutions, and quality control departments in the chemical, pharmaceutical, and environmental sectors for precise identification and quantification.

Application

• Analytical Chemistry Reference Standard: Used for the calibration and validation of analytical instruments (HPLC, UV-Vis) for carbonyl compound analysis.
• Carbonyl Group Derivatization: Acts as a key derivatizing agent to convert volatile or hard-to-detect aldehydes/ketones into stable, colored 2,4-dinitrophenylhydrazone (DNPH) derivatives for enhanced detection.
• Air Quality and Environmental Monitoring: Employed in sampling cartridges and kits for the detection and measurement of formaldehyde and other airborne carbonyl pollutants.
• Pharmaceutical Impurity Profiling: Utilized in the identification and assay of aldehyde-based impurities or degradation products in active pharmaceutical ingredients (APIs) and drug formulations.
• Organic Synthesis Intermediate: Serves as a building block or precursor in specialized organic synthesis for the preparation of more complex heterocyclic or hydrazone-based compounds.
• Food and Flavor Analysis: Applied in the analysis of carbonyl compounds that contribute to flavor, aroma, or potential contaminants in food products.

Basic Information

Product Name	o-Tolualdehyde 2,4-Dinitrophenylhydrazone
CAS No.	1773-44-0
Molecular Formula	C14H12N4O4
Molecular Weight	300.27 g/mol
Synonyms	2-Methylbenzaldehyde 2,4-dinitrophenylhydrazone; o-Tolualdehyde DNPH; (2-Methylphenyl)methanone (2,4-dinitrophenyl)hydrazone; 2,4-DNPH derivative of o-tolualdehyde; o-Methylbenzaldehyde 2,4-dinitrophenylhydrazone; 1-(2,4-Dinitrophenyl)-2-[(2-methylphenyl)methylene]hydrazine; o-Tolualdehyde-2,4-dinitrophenylhydrazine
EINECS	Contact for details

Quality Control

Our o-Tolualdehyde 2,4-Dinitrophenylhydrazone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for analytical reference materials. Certificates of Analysis (COA) detailing purity, identity, and related substance profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container tightly sealed to prevent moisture absorption and contamination.

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%

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