p-DIMETHYLAMINOBENZALDEHYDE

PRODUCT IDENTIFICATION
CAS NO. 100-10-7

p-DIMETHYLAMINOBENZALDEHYDE
EINECS NO. 202-819-0
FORMULA (CH3)2NC6H4CHO
MOL WT.

149.19
H.S. CODE 2922.30
TOXICITY  
SYNONYMS 4-Dimethylaminobenzaldehyde; Ehrlichovo;
Ehrlich's Reagent; p-Formyl-n,n-dimethylaniline; p-DAB; n,n-Dimethyl-4-amino benzaldehyde; 4-(Dimethylamino)benzaldehyde; 4-Dimethylaminobenzene carbonal; 4-n,n-Dimethylaminobenzaldehyde; n,n-Dimethyl-p-amino benzaldehyde; n,n-Dimethyl-4-aminobenzaldehyde;
SMILES

 

CLASSIFICATION

 
 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE white crystalline powder
MELTING POINT 72 - 75 C
BOILING POINT 176 -177 C
SPECIFIC GRAVITY

 
SOLUBILITY IN WATER  
AUTOIGNITION  
pH  
VAPOR DENSITY 5.15
NFPA RATINGS  
FLASH POINT

164 C
STABILITY Stable under ordinary conditions. Light sensitive.

GENERAL DESCRIPTION & APPLICATIONS
Benzaldehyde(also called Benzenecarbonal) is the simplest representative of the aromatic aldehydes. It is a colorless liquid aldehyde with a characteristic almond odor. It boils at 180°C, is soluble in ethanol, but is insoluble in water. Benzaldehyde is formed by partial oxidation of benzyl alcohol and readily oxidized to benzoic acid and is converted to addition products by hydrocyanic acid or sodium bisulfite. It is also prepared by oxidation of toluene or benzyl chloride or by treating benzal chloride with an alkali, e.g., sodium hydroxide. It is used chiefly in the synthesis of other organic compounds, ranging from pharmaceuticals to plastic additives and benzaldehyde is an important intermediate for the processing of perfume and flavouring compounds and in the preparation of certain aniline dyes . It is the first step in the synthesis for fragrances. It undergoes simultaneous oxidation and reduction with alcoholic potassium hydroxide, giving potassium benzoate and benzyl alcohol. It is converted to benzoin with alcoholic potassium cyanide, with anhydrous sodium acetate and acetic anhydride, giving cinnamic acid. Compounds which do not have alpha-hydrogen atoms cannot form an enolate ion and do not undergo electrophilic alpha-substitution and aldol condensation. Aromatic aldehydes such as benzaldehyde and formaldehyde may undergo disproportionation in concentrated alkali (Cannizaro's reaction); one molecule of the aldehyde is reduced to the corresponding alcohol and another molecule is simultaneously oxidized to the salt of a carboxylic acid. The speed of the reaction depends on the substituents in the aromatic ring. Two different types of aldehydes (aromatic and aliphatic) can undergo crossing reaction to form fomaldehyde and aromatic alcohols.  p-Dimethylaminobenzaldehyde is used as an intermediate for dyes and pharmaceuticals
SALES SPECIFICATION

APPEARANCE

 white crystalline powder

ASSAY

98.0% min
TRANSPORTATION
PACKING 200kgs in drum
HAZARD CLASS  
UN NO.  
OTHER INFORMATION
Hazard Symbols: n/a, Risk Phrases: n/a, Safety Phrases: 24/25/28A/37/45