p-Dimethylaminobenzaldehyde CAS 100-10-7

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  • Appearance: White to pale yellow powder
  • Purity: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: p-Dimethylaminobenzaldehyde Supplier & Manufacturer

Basic Info of p-Dimethylaminobenzaldehyde

What is p-Dimethylaminobenzaldehyde?

p-Dimethylaminobenzaldehyde is an organic intermediate, which can be prepared from N,N-dimethylaniline and DMF. It has been reported that p-dimethylaminobenzaldehyde can be used to prepare high-purity DAST source powder, and can also be used to make color-developing solution to analyze semicarbazide.

4-Dimethylaminobenzaldehyde is a sort of benzaldehyde with dimethylaminobenzaldehyde at setting 4.

Kovac’s indole reagent is a remedy of 4 – (dimethylamino) benzaldehyde as well as hydrochloric acid in n-butanol.

Kovac’s reagent detects indoles as well as helps identify indole positive and indole adverse bacteria. In the visibility of tryptophan enzyme, E. coli can break down tryptophan into indole and also α-Aminopropionic acid. The p-aminobenzaldehyde in the reagent reacts with indole to develop cherry red complex, which is soluble in ethanol, ether and chloroform. It is suggested to use glucose free medium as well as peptone with high tryptophan web content for screening.

p-Dimethylaminobenzaldehyde Uses

  1. Dye intermediates and analytical reagents. p-Dimethylaminobenzaldehyde is used for the determination of indole, skatole, uridine, tryptophan and ergot alkaloid, etc. It is also used to distinguish serum rash and scarlet fever.
  2. In terms of dyes, p-Dimethylaminobenzaldehyde can be used to synthesize pressure sensitive dyes. Also used in the production of cationic brilliant red G (C.I.BasicRed52). It can also be used as a dye intermediate; as a reagent and chromatographic analysis reagent for the determination of urobilin, indole, alkaloids, etc.
  3. Determination of indole, skatole, urine blue mother, tryptophan, albumin, hydrogen peroxide, arsine sodium amine, anthranilic acid, antipyrine ergot alkaloid, etc., p-Dimethylaminobenzaldehyde is also used to distinguish serum rash and scarlet fever.
  4. Manufacture of dyes.
  5. p-Dimethylaminobenzaldehyde is used as a reagent for the detection of amino acids, peptides, amines, indole, hydrazine, hydrogen peroxide, anthranilic acid, antipyrine and ergot alkaloids; used as a chromogenic reagent for tryptophan; used in Detection of tryptophan in proteins; test reagent for the identification of indole-producing microorganisms; reacts with pyrroles and primary amines to form colored condensation products (Schiff bases).
  6. p-Dimethylaminobenzaldehyde, also known as Euclid/E reagent, is mainly used for the identification of Enterobacteriaceae, non-fermentative bacteria, fastidious bacteria, and anaerobic bacteria, and for the detection of indole derivatives and amines.

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Application of p-Dimethylaminobenzaldehyde

Preparation of p-Dimethylaminobenzaldehyde

In a 100ml three-necked flask, add 4.9 g (0.032 mol) of phosphorus oxychloride, slowly add 2.5 g (0.031 mol) DMF dropwise in an ice bath, finish the trickling (8min), stir for 10min, gradually add dropwise to the there-necked flask 3.66 g (0.03 mol) N,N-dimethylaniline (10min), after leaking, move the reaction option to a boiling water bath for 2h, pour the response remedy into 20ml of ice water after the reaction, and also utilize 30% hydrogen peroxide The sodium option was adapted to pH=4, delegated stand for crystallization, as well as suction filtered the next day to get a light yellow or nearly anemic strong, which was recrystallized with 30ml of ethanol-water (1:2.5 V/V) to obtain the item p-dimethylaminobenzaldehyde.


  1. 4-Dimethylaminobenzaldehyde – ChemicalBook
  2. [China Invention, China Invention Authorization] CN201310375755.5 A compound with antibacterial and synergistic effect and its preparation method and application

p-Dimethylaminobenzaldehyde Supplier and Manufacturer

As a p-dimethylaminobenzaldehyde supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best p-dimethylaminobenzaldehyde raw materials to customers all over the world.

Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.

If you have a demand for p-dimethylaminobenzaldehyde and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.

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