1H-Benz[e]indole-1,2(3H)-dione
Benz[e]isatin
CAS: 5588-87-4
Molecular Formula: C12H7NO2
1H-Benz[e]indole-1,2(3H)-dione - Names and Identifiers
| Name | Benz[e]isatin |
| Synonyms | Benz[e]isatin Benzo[e]isatin 4,5-Benzoisatin 1H-Benz[e]indole-1,2(3H)-dione 1H-Benz[e]indole-1,2(3H)-dione 1H-benzo[e]indole-1,2(3H)-dione |
| CAS | 5588-87-4 |
| InChI | InChI=1/C12H7NO2/c14-11-10-8-4-2-1-3-7(8)5-6-9(10)13-12(11)15/h1-6H,(H,13,14,15) |
1H-Benz[e]indole-1,2(3H)-dione - Physico-chemical Properties
| Molecular Formula | C12H7NO2 |
| Molar Mass | 197.19 |
| Density | 1.391±0.06 g/cm3(Predicted) |
| Melting Point | 248-249 °C |
| pKa | 9.30±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.708 |
1H-Benz[e]indole-1,2(3H)-dione - Introduction
Benz[e]isatin(Benz[e]isatin) is an organic compound with the chemical formula of C10H7NO, which is mainly prepared by the reaction of benzo acid and aniline. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: Yellow to orange crystals or powdery solids.
-Melting point: about 175-177 degrees Celsius.
-Solubility: Soluble in hot organic solvents such as benzene, dichloromethane, slightly soluble in ethanol and ether.
-Chemical properties: Benz[e]isatin has good oxidation and dye properties, and is often used as a reagent or dye in chemical reactions.
Use:
-Dyes: Due to its good dye properties, Benz[e]isatin is widely used as a dye in the textile, leather and printing industries.
-Steganography: Benz[e]isatin has strong fluorescence properties, so it is often used as fluorescent ink or marker in steganography.
Preparation Method:
Benz[e]isatin can be prepared by the following steps:
1. Add benzo-acid and aniline to the reaction flask at an appropriate molar ratio;
2. The reaction is carried out at an appropriate temperature, usually under acidic or alkaline conditions;
3. After the reaction is completed, the product is purified by crystallization or other methods to obtain Benz[e]isatin.
Safety Information:
- Benz[e]isatin is an organic compound and is generally irritating, so avoid direct contact with skin, eyes and respiratory tract when using it.
-Avoid inhaling its dust or solution to avoid respiratory irritation or poisoning.
-When using or storing Benz[e]isatin, it is necessary to maintain good ventilation conditions and avoid contact with fire sources to prevent fire.
Nature:
-Appearance: Yellow to orange crystals or powdery solids.
-Melting point: about 175-177 degrees Celsius.
-Solubility: Soluble in hot organic solvents such as benzene, dichloromethane, slightly soluble in ethanol and ether.
-Chemical properties: Benz[e]isatin has good oxidation and dye properties, and is often used as a reagent or dye in chemical reactions.
Use:
-Dyes: Due to its good dye properties, Benz[e]isatin is widely used as a dye in the textile, leather and printing industries.
-Steganography: Benz[e]isatin has strong fluorescence properties, so it is often used as fluorescent ink or marker in steganography.
Preparation Method:
Benz[e]isatin can be prepared by the following steps:
1. Add benzo-acid and aniline to the reaction flask at an appropriate molar ratio;
2. The reaction is carried out at an appropriate temperature, usually under acidic or alkaline conditions;
3. After the reaction is completed, the product is purified by crystallization or other methods to obtain Benz[e]isatin.
Safety Information:
- Benz[e]isatin is an organic compound and is generally irritating, so avoid direct contact with skin, eyes and respiratory tract when using it.
-Avoid inhaling its dust or solution to avoid respiratory irritation or poisoning.
-When using or storing Benz[e]isatin, it is necessary to maintain good ventilation conditions and avoid contact with fire sources to prevent fire.
Last Update：2024-04-10 22:29:15
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