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100-10-7 - 4-Dimethylaminobenzaldehyde, 98% - Ehrlich's Reagent - A11712 - Alfa Aesar

A11712 4-Dimethylaminobenzaldehyde, 98%

Codice CAS
100-10-7
Sinonimi
Ehrlich's Reagent

Dimensioni Prezzo ($) Quantità Disponibilità
100g 35,01
500g 101,60
2500g 377,60
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4-Dimethylaminobenzaldehyde, 98%

MDL
MFCD00003381
EINECS
202-819-0

Proprietà chimiche

Formula
C9H11NO
Peso formula
149.19
Punto di fusione
73-75°
Punto di ebollizione
176-177°/17mm
Punto di infiammabilità
164°(327°F)
Sensibilità
Air & Light Sensitive
Solubilità
Soluble in alcohol, ether, chloroform, acetic acid. Insoluble in water.

Applicazioni

4-Dimethylaminobenzaldehyde is used to prepare colorful Schiff base adducts with amines, pyrroles and indoles. It is often used in the Ehrlich reaction, test for the presence of indoles in a sample containing alkaloids and determination of hydrazine.

Note

Light sensitive. Stable at room temperature.

Letteratura

Reagent for determination of amino acids and peptides.

Color reagent for pyrroles and amines: J. Am. Chem. Soc., 86, 2441 (1964); F. Feigl, Spot Tests, vol. 2, Elsevier, Amsterdam (1954), p. 198.

Reagent for conversion of Grignard reagents to the corresponding aldehydes via the carbinol which is cleaved by an aryldiazonium salt to give the aldehyde and the 4-(dimethylamino)azo compound: J. Org. Chem., 25, 1691 (1960); 27, 279 (1962); Org. Synth. Coll., 5, 46 (1973).

Mariana, R.; Alejandro, D. S.; Juan, M. A.; Diego M. G.; Aída B. A. Ab-initio and DFT calculations on molecular structure, NBO, HOMO-LUMO study and a new vibrational analysis of 4-(Dimethylamino)Benzaldehyde. Spectrochim. Acta, Part A 2015, 136, 635-643.

Francesca, N.; Simona, F.; Elena, C.; Elisa, T.; Nicola, C.; Piero, M. Stabilization through p-dimethylaminobenzaldehyde of a new NLO-active phase of [E-4-(4-dimethylaminostyryl)-1-methylpyridinium]iodide: synthesis, structural characterization and theoretical investigation of its electronic properties. J. Mater. Chem. 2010, 20 (36), 7652-7660.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280-P305+P351+P338-P304+P340-P362-P301+P312-P312-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,3230
Beilstein
606802
Codice tariffe armonizzato
2922.39
TSCA
Yes
RTECS
CU5775000

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