Hyderabad
08048036175
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2, 4-Dinitrophenylhydrazine extra pure

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08048036175

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Email Address mnc.naveen@gmail.com

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Address Correspondence Address: Shop No. 20, 2nd Floor, Srirama Tower, Bogulkunta, Telangana

Hyderabad, India, 500001

Description

2,4-Dinitrophenylhydrazine extra pure (DNPH) is a high-purity laboratory-grade chemical widely used as a qualitative reagent in organic chemistry, particularly for the identification of aldehydes and ketones (carbonyl compounds).​ Chemical Properties Chemical name: 2,4-Dinitrophenylhydrazine (DNPH, Brady’s reagent) Molecular formula: C 6 H 6 N 4 O 4 C 6 H 6 N 4 O 4 ​ Molecular weight: 198.14 g/mol​ CAS Number: 119-26-6​ Appearance: Orange-red to dark red crystalline powder, sometimes moist​ Purity (Assay): Minimum 99% (extra pure/reagent grade)​ Melting point: 198–202°C​ Solubility and Handling Solubility: Slightly soluble in water, soluble in alcohol, ether, and 50% sulfuric acid.​ Shelf life: Typically 5 years (60 months) if stored at room temperature (25–40°C) in a tightly sealed container.​ Safety: Hazardous if inhaled, ingested or if it comes in contact with skin/eyes.​ Shock-sensitive in dry form; often shipped and handled moistened with water.​ Use standard laboratory PPE; avoid sources of ignition and static discharge.​ Major Uses DNPH Test (Brady’s Test): Primary reagent for detecting and characterizing aldehydes and ketones by formation of brightly colored hydrazone derivatives.​ Environmental Chemistry: Used for monitoring air pollutants—especially carbonyl compounds like formaldehyde—in occupational and environmental settings.​ Chromatographic Identification: Hydrazone derivatives produced are useful for TLC, HPLC, and melting point analysis aiding compound identification.​ Structural Elucidation: Used in research for elucidating structures of various organic compounds.​

Model No. N-CH1709

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