Description

Benzaldehyde 2,4-Dinitrophenylhydrazone (CAS: 1157-84-2) is a high-purity analytical reagent widely used in chemical research and environmental testing. This compound, with the molecular formula C₁₃H₁₀N₄O₄, is a derivative of benzaldehyde and 2,4-dinitrophenylhydrazine, forming a stable hydrazone complex. It is commonly employed as a derivatizing agent for the detection and quantification of carbonyl compounds, including aldehydes and ketones, via spectrophotometric or chromatographic methods.

The product is supplied as a fine crystalline powder with a characteristic yellow-orange color, ensuring excellent solubility in organic solvents such as methanol, ethanol, and acetonitrile. Its high reactivity and selectivity make it indispensable in environmental monitoring, pharmaceutical analysis, and academic research. Each batch undergoes rigorous quality control to ensure ≥99% purity, validated by HPLC, NMR, and mass spectrometry.

Key Features:

• CAS Number: 1157-84-2
• Molecular Weight: 286.24 g/mol
• Purity: ≥99% (HPLC)
• Appearance: Yellow-orange crystalline powder
• Storage: Store at 2-8°C in a tightly sealed container, protected from light and moisture.

Properties

• CAS Number: 1157-84-2
• Complexity: 398
• IUPAC Name: N-[(E)-benzylideneamino]-2,4-dinitro-aniline
• InChI: InChI=1S/C13H10N4O4/c18-16(19)11-6-7-12(13(8-11)17(20)21)15-14-9-10-4-2-1-3-5-10/h1-9,15H/b14-9+
• InChI Key: DZPRPFUXOZTWAJ-NTEUORMPSA-N
• Exact Mass: 286.07020481
• Molecular Formula: C13H10N4O4
• Molecular Weight: 286.24
• SMILES: C1=CC=C(C=C1)/C=N/NC2=C(C=C(C=C2)[N+](=O)[O-])[N+](=O)[O-]
• Topological: 116
• Monoisotopic Mass: 286.07020481
• Synonyms: 1157-84-2, Benzaldehyde, 2-(2,4-dinitrophenyl)hydrazone, Benzaldehyde 2,4-Dinitrophenylhydrazone, Benzaldehyde, (2,4-dinitrophenyl)hydrazone, Benzaldehyde-2,4-dinitrophenylhydrazone, MFCD00156353, Benzaldehyde, 1-(2,4-dinitrophenyl)hydrazone, Benzaldehyde-2,4-DNPH, Benzaldehyde,2-(2,4-dinitrophenyl)hydrazone, SCHEMBL22261609, DZPRPFUXOZTWAJ-NTEUORMPSA-N, CCG-47871, Benzaldehyd-2,4-dinitrophenylhydrazon, AKOS003238408, AKOS015916561, Benzaldehyd-2,4-dinitrophenylhydrazone, AS-75914, Benzaldehyde, 2,4-dinitrophenyl hydrazone, ST008418, Benzaldehyde-2,4-DNPH, analytical standard, N-[(E)-benzylideneamino]-2,4-dinitroaniline, D95236, SR-01000637460-1, ((1E)-2-phenyl-1-azavinyl)(2,4-dinitrophenyl)amine, Benzaldehyde-2,4-dinitrophenylhydrazone, environmental standard, 99%, Benzaldehyde, (2,4-dinitrophenyl)hydrazone (6CI,8CI,9CI); Benzaldehyde 2-(2,4-dinitrophenyl)hydrazone; NSC 3863

Benzaldehyde 2,4-Dinitrophenylhydrazone is primarily used as a derivatizing agent for carbonyl compound analysis in environmental and industrial samples. It forms colored hydrazone derivatives with aldehydes and ketones, enabling UV-Vis or HPLC detection. This compound is critical in air quality monitoring for quantifying formaldehyde and other volatile organic compounds (VOCs). It also serves as a reference standard in pharmaceutical impurity profiling and academic research on reaction mechanisms.

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