3,3'-二羟基联苯胺
3,3'-Dihydroxybenzidine
CAS: 2373-98-0
Molecular Formula: C12H12N2O2
3,3'-二羟基联苯胺 - Names and Identifiers
| Name | 3,3'-Dihydroxybenzidine |
| Synonyms | HAB p-HAB 3,3'-dwuoksybenzydyna 3,3'-Dihydroxybenzidine 4,4'-diaminobiphenyl-3,3'-diol 3,3'-Dihydroxybenzidine(p-HAB) 3,3-Dihydroxy-4,4-diamino-biphenyl |
| CAS | 2373-98-0 |
| InChI | InChI=1/C12H12N2O2/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8/h1-6,15-16H,13-14H2 |
3,3'-二羟基联苯胺 - Physico-chemical Properties
| Molecular Formula | C12H12N2O2 |
| Molar Mass | 216.24 |
| Density | 1.384g/cm3 |
| Melting Point | 292℃ |
| Boling Point | 440.7°C at 760 mmHg |
| Flash Point | 220.3°C |
| Vapor Presure | 2.24E-08mmHg at 25°C |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.741 |
| MDL | MFCD00039149 |
3,3'-二羟基联苯胺 - Introduction
3,3 '-Dihydroxybenzidine, also known as 3,3'-Dihydroxybenzidine, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3,3 '-Dihydroxybenzidine is a white crystalline powder.
-Solubility: It is almost insoluble in water, but has good solubility in organic solvents such as ethanol, methanol, acetone and dichloromethane.
-Melting Point: about 198-199 ° C.
Use:
- 3,3 '-Dihydroxybenzidine is widely used in organic synthesis reactions in the chemical field, for example, as a synthetic intermediate for organic dyes.
-It is also used as a chemical reagent, such as a reagent in dye analysis and chemical detection.
-In addition, 3,3 '-Dihydroxybenzidine can also be used in the preparation of fluorescent dyes, polymer materials, pharmaceutical synthesis and other fields.
Method:
-A common method for preparing 3,3 '-dihydroxybenzene is to synthesize it through a nucleophilic aromatic substitution reaction. The specific steps include nitration of aniline, reduction to diamino compound, and finally coupling reaction of benzidine.
Safety Information:
- 3,3 '-Dihydroxybenzidine has low toxicity, but it should still be used safely.
-Wear appropriate protective equipment such as gloves, goggles and protective clothing when using or handling this compound.
-Avoid inhaling dust and avoid contact with skin, eyes or clothing.
-If inhaled or in contact with eyes or skin, rinse immediately with plenty of water and seek medical advice.
Nature:
-Appearance: 3,3 '-Dihydroxybenzidine is a white crystalline powder.
-Solubility: It is almost insoluble in water, but has good solubility in organic solvents such as ethanol, methanol, acetone and dichloromethane.
-Melting Point: about 198-199 ° C.
Use:
- 3,3 '-Dihydroxybenzidine is widely used in organic synthesis reactions in the chemical field, for example, as a synthetic intermediate for organic dyes.
-It is also used as a chemical reagent, such as a reagent in dye analysis and chemical detection.
-In addition, 3,3 '-Dihydroxybenzidine can also be used in the preparation of fluorescent dyes, polymer materials, pharmaceutical synthesis and other fields.
Method:
-A common method for preparing 3,3 '-dihydroxybenzene is to synthesize it through a nucleophilic aromatic substitution reaction. The specific steps include nitration of aniline, reduction to diamino compound, and finally coupling reaction of benzidine.
Safety Information:
- 3,3 '-Dihydroxybenzidine has low toxicity, but it should still be used safely.
-Wear appropriate protective equipment such as gloves, goggles and protective clothing when using or handling this compound.
-Avoid inhaling dust and avoid contact with skin, eyes or clothing.
-If inhaled or in contact with eyes or skin, rinse immediately with plenty of water and seek medical advice.
Last Update：2024-04-09 02:00:44
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