VWR 4-(Dimethylamino)benzaldehyde ≥99%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent

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Expédition : 2-3 jours ouvrables

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Specifications:
Storage Temperature Room Temperature
Product Type Laboratory Chemical Forms Powder
Product Brand VWR
Product Grade Analytical grade Formula (CH₃)₂NC₆H₄CHO

4-(Dimethylamino)benzaldehyde, also known as p-Dimethylaminobenzaldehyde (DMAB), is a high-purity aromatic aldehyde commonly used as a chromogenic reagent in analytical chemistry, particularly for the detection of indoles and amines (e.g., Ehrlich’s reagent). With ≥99% purity, this reagent-grade compound complies with European Pharmacopoeia (Ph. Eur.) standards and is suitable for regulated laboratory applications, including colorimetric assays, organic synthesis, and pharmaceutical analysis.

Key Features

  • High Purity (≥99%): Ensures accurate and reproducible analytical performance
  • Ph. Eur. Compliant: Manufactured according to Reag. Ph. Eur. standards for pharmaceutical use
  • Chromogenic Reagent: Widely used in colorimetric detection of indoles and related compounds
  • Stable Solid Form: Supplied in plastic bottles for convenient handling and long shelf life
  • Versatile Laboratory Use: Applicable in chemical, clinical, and environmental testing workflows

Chemical and Physical Properties

PropertySpecification
Chemical Name4-(Dimethylamino)benzaldehyde
Synonymsp-Dimethylaminobenzaldehyde, DMAB
CAS Number100-10-7
Molecular Formula(CH₃)₂NC₆H₄CHO
Molecular Weight149.19 g/mol
Boiling Point266 °C (at 1013 hPa)
Melting Point72 °C
Density1.0254 g/cm³ (at 99.9 °C)
Flash Point>100 °C
Storage ConditionsAmbient temperature
MDL NumberMFCD00003381
Merck Index13,03257
EINECS Number202-819-0

Applications

  • Colorimetric Assays: Primary component of Ehrlich’s reagent for detecting tryptophan, indoles, and related compounds
  • Pharmaceutical Analysis: Reagent for qualitative screening and identification of active ingredients
  • Organic Synthesis: Intermediate in the production of dyes, pigments, and fine chemicals
  • Clinical Chemistry: Used in biochemical assays for metabolic studies
  • Research & Academia: Suitable for teaching and research in analytical organic chemistry


VWR 4-(Dimethylamino)benzaldehyde ≥99%, AnalaR NORMAPUR® is a reliable, pharmacopeia-grade aromatic aldehyde essential for colorimetric assays, organic synthesis, and regulated pharmaceutical analysis. Its high purity and compliance with Ph. Eur. standards make it a preferred choice for analytical laboratories seeking reproducibility and precision.

Specification Test Results

AssayMin. 99 %
Bases of indole typePasses test
IR SpectrumPasses test
Organic impuritiesPasses test
Solution in acetic acidPasses test
Melting point72 - 74 °C
Heavy metals (as Pb)Max. 10 ppm
Ignition residue (SO4)Max. 0.1 %
Insolubility in alcoholMax. 100 ppm
Cl (Chloride)Max. 50 ppm
Cu (Copper)Max. 5 ppm
Fe (Iron)Max. 10 ppm
Pb (Lead)Max. 5 ppm
Conforms to Reag. Ph.Eur.Passes test

  • Pack Size:   250g 50g
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