3,3'-methylenedianiline
3,3'-methylenedianiline
CAS: 19471-12-6
Molecular Formula: C13H14N2
3,3'-methylenedianiline - Names and Identifiers
| Name | 3,3'-methylenedianiline |
| Synonyms | 3,3'-methylenedianiline 3,3'-METHYLENEDIANILINE 3,3'-Methylenebisaniline 3,3-Diaminodiphenylmethane 3,3'-DIAMINODIPHENYLMETHANE 3-(3-AMINOBENZYL)PHENYLAMINE 3,3'-Methylenebis(benzenamine) 3-[(3-aminophenyl)methyl]aniline 3-[(3-azanylphenyl)methyl]aniline |
| CAS | 19471-12-6 |
| EINECS | 624-884-8 |
| InChI | InChI=1/C13H14N2/c14-12-5-1-3-10(8-12)7-11-4-2-6-13(15)9-11/h1-6,8-9H,7,14-15H2 |
3,3'-methylenedianiline - Physico-chemical Properties
| Molecular Formula | C13H14N2 |
| Molar Mass | 198.26 |
| Density | 1.143±0.06 g/cm3(Predicted) |
| Melting Point | 81-84°C(lit.) |
| Boling Point | 192-195 °C(Press: 2 Torr) |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Appearance | Solid |
| Color | White to Pale Yellow |
| BRN | 2100449 |
| pKa | 4.82±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| MDL | MFCD00014777 |
3,3'-methylenedianiline - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S7 - Keep container tightly closed. S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | 2811 |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| Packing Group | III |
3,3'-methylenedianiline - Reference
| Reference Show more | 1. Gong Guifen, Xing Yun, Lu Xin, et al. Effect of Modified NCC on Mechanical Properties and Heat Resistance of EP Resin [J]. Journal of Huazhong University of Science and Technology (Natural Science Edition), 2020(3). |
3,3'-methylenedianiline - Introduction
3,3 '-methylenedianiline is an organic compound with the chemical formula C12H12N2. It is a white to pale yellow crystalline solid, soluble in organic solvents such as chloroform, benzene and dimethylformamide.
3,3 '-methylenedianiline is mainly used in the synthesis of dyes and pigments, and can be used as a positive charge providing agent or electron donor between dyes to improve the efficiency and yield of the reaction. In addition, it can also be used to prepare optoelectronic materials, organic batteries, polymer materials, etc.
There are many methods for preparing 3,3 '-methylenedianiline, the most common of which is obtained by the condensation reaction between p-nitroaniline and benzaldehyde that has been aminated. This reaction is required to be carried out under acidic conditions, and is usually carried out at an appropriate temperature using hydrochloric acid, concentrated sulfuric acid, phosphoric acid, or the like as a catalyst.
Regarding safety information, 3,3 '-methylenedianiline is generally relatively safe under normal use and storage conditions. However, it may be irritating to the eyes and skin, so care should be taken to avoid contact with skin, eyes and mucous membranes when used. Appropriate protective equipment such as laboratory gloves, goggles and laboratory coats should be worn during operation. In addition, the inhalation of its dust or vapor of the solution should be avoided. If exposed or inhaled, rinse immediately with clean water and seek medical help. For specific use and handling requirements, it is recommended to refer to the relevant safety technical instructions or consult a professional.
3,3 '-methylenedianiline is mainly used in the synthesis of dyes and pigments, and can be used as a positive charge providing agent or electron donor between dyes to improve the efficiency and yield of the reaction. In addition, it can also be used to prepare optoelectronic materials, organic batteries, polymer materials, etc.
There are many methods for preparing 3,3 '-methylenedianiline, the most common of which is obtained by the condensation reaction between p-nitroaniline and benzaldehyde that has been aminated. This reaction is required to be carried out under acidic conditions, and is usually carried out at an appropriate temperature using hydrochloric acid, concentrated sulfuric acid, phosphoric acid, or the like as a catalyst.
Regarding safety information, 3,3 '-methylenedianiline is generally relatively safe under normal use and storage conditions. However, it may be irritating to the eyes and skin, so care should be taken to avoid contact with skin, eyes and mucous membranes when used. Appropriate protective equipment such as laboratory gloves, goggles and laboratory coats should be worn during operation. In addition, the inhalation of its dust or vapor of the solution should be avoided. If exposed or inhaled, rinse immediately with clean water and seek medical help. For specific use and handling requirements, it is recommended to refer to the relevant safety technical instructions or consult a professional.
Last Update：2024-04-10 22:29:15
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