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p-dimethylaminobenzaldehyde : p-DMAB : 4-(Dimethylamino)benzaldehyde - For Ehrlich Reagent - 250g
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benzaldehyde - For Ehrlich Reagent - 250g "Pin It")
Description
4-(Dimethylamino)benzaldehyde
p-Dimethylaminobenzaldehyde
>Chemical formula C9H11NO
>Molar mass 149.193 g·mol−1
>Appearance yellow-white powder
>Density 1.1 g/mL
>Melting point 74 °C
p-Dimethylaminobenzaldehyde (4-dimethylaminobenzaldehyde) is an organic compound that consists of a benzaldehyde group with a dimethylamino group at the para position. It appears as a yellow crystalline solid with a faint aromatic odor and is sparingly soluble in water but soluble in many organic solvents like ethanol and acetone.
This compound is widely used as a reagent in analytical chemistry, particularly in the Ehrlich test for the detection of indoles and urobilinogen. It reacts with compounds containing an indole structure to produce a characteristic color change, which is used in qualitative and quantitative analyses. p-Dimethylaminobenzaldehyde is also utilized in the synthesis of dyes and other organic intermediates due to its reactivity.
When handling p-dimethylaminobenzaldehyde, precautions should be taken as it can irritate the skin, eyes, and respiratory tract. Proper storage in a tightly sealed container in a cool, dry, and well-ventilated area is essential to maintain its stability.
SAFETY
Pictograms GHS09 - Hazard statements H411 Toxic to aquatic life with long lasting effects. - Precautionary statements P273 Avoid release to the environment. P391 Collect spillage. P501 Dispose of contents/container to industrial combustion plant.