32041-64-8
2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde
CAS: 32041-64-8
Molecular Formula: C13H9N3O4
32041-64-8 - Names and Identifiers
| Name | 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde |
| Synonyms | 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde Benzaldehyde, 2-hydroxy-5-[(4-nitrophenyl)azo]- |
| CAS | 32041-64-8 |
32041-64-8 - Physico-chemical Properties
| Molecular Formula | C13H9N3O4 |
| Molar Mass | 271.23 |
32041-64-8 - Introduction
2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde is an organic compound whose structure contains functional groups such as hydroxyl, Nitro and azo groups.
The properties of the compound are as follows:
-Appearance: Yellow crystalline solid or powder
-Molecular formula: C13H9N3O4
-Molecular weight: 275.23g/mol
-Melting point: 163-165 ° C
2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde plays an important role in some chemical applications, including:
-It can be used as a raw material for the synthesis of dyes and pigments. Due to the structural characteristics of its azo-based compounds, it can show bright colors;
-In organic synthesis, it can be used as an oxidant, Catalyst or reaction intermediate.
The preparation of 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde is generally carried out by the following steps:
1.4-nitrobenzaldehyde was reacted with sodium nitrite to obtain 4-nitrobenzeneimine;
2. The target product was obtained by the reaction of 4-nitrophenylimine and 2-hydroxyacetophenone by acid catalysis and dehydration.
When using and handling 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde, the following safety information needs to be noted:
-The compound is toxic and may be irritating to the skin, eyes and respiratory tract;
-In the process of operation, need to wear protective gloves, goggles and respiratory protection equipment, pay attention to protective measures;
-Avoid contact with strong oxidants, reducing agents and acidic substances to avoid unsafe reactions;
-Waste disposal should comply with relevant regulations and should not be dumped or discharged into the environment.
The properties of the compound are as follows:
-Appearance: Yellow crystalline solid or powder
-Molecular formula: C13H9N3O4
-Molecular weight: 275.23g/mol
-Melting point: 163-165 ° C
2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde plays an important role in some chemical applications, including:
-It can be used as a raw material for the synthesis of dyes and pigments. Due to the structural characteristics of its azo-based compounds, it can show bright colors;
-In organic synthesis, it can be used as an oxidant, Catalyst or reaction intermediate.
The preparation of 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde is generally carried out by the following steps:
1.4-nitrobenzaldehyde was reacted with sodium nitrite to obtain 4-nitrobenzeneimine;
2. The target product was obtained by the reaction of 4-nitrophenylimine and 2-hydroxyacetophenone by acid catalysis and dehydration.
When using and handling 2-Hydroxy-5-(4-nitro-phenylazo)-benzaldehyde, the following safety information needs to be noted:
-The compound is toxic and may be irritating to the skin, eyes and respiratory tract;
-In the process of operation, need to wear protective gloves, goggles and respiratory protection equipment, pay attention to protective measures;
-Avoid contact with strong oxidants, reducing agents and acidic substances to avoid unsafe reactions;
-Waste disposal should comply with relevant regulations and should not be dumped or discharged into the environment.
Last Update：2024-04-10 22:29:15
