4,4'-(1-methylene)
4,4'-(1-methylene) bis-Benzonitrile
CAS: 10466-37-2
Molecular Formula: C15H10N2
4,4'-(1-methylene) - Names and Identifiers
| Name | 4,4'-(1-methylene) bis-Benzonitrile |
| Synonyms | 4,4'-(1-Methylene) Letrozole Impurity D 4,4'-Dicyanodiphenylmethane 4,4'-methanediyldibenzonitrile Benzonitrile,4,4'-methylenebis- 4,4'-(1-METHYLENE) BIS-BENZONITRILE 4,4'-(1-methylene) bis-Benzonitrile 4-[(4-Cyanophenyl)methyl]benzonitrile |
| CAS | 10466-37-2 |
| InChI | InChI=1/C15H10N2/c16-10-14-5-1-12(2-6-14)9-13-3-7-15(11-17)8-4-13/h1-8H,9H2 |
4,4'-(1-methylene) - Physico-chemical Properties
| Molecular Formula | C15H10N2 |
| Molar Mass | 218.25 |
| Density | 1.17±0.1 g/cm3(Predicted) |
| Melting Point | 167 °C |
| Boling Point | 410.6±38.0 °C(Predicted) |
| Flash Point | 199.6°C |
| Solubility | Chloroform (Slightly) |
| Vapor Presure | 5.96E-07mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| Storage Condition | Room Temperature, under inert atmosphere |
| Refractive Index | 1.617 |
4,4'-(1-methylene) - Introduction
4,4 '-Dicyanodiphenylmethane is an organic compound with the chemical formula C16H10N2. Here are some information about its nature, use, formulation and safety:
Nature:
- 4,4 '-Dicyanodiphenylmethane is a colorless crystal that is soluble in organic solvents, such as alcohols and ethers, and insoluble in water.
-It has a higher melting point and boiling point, 202-204°C and 450°C, so it is a stable compound.
-In the chemical reaction, it can break the covalent bond through the nuclear replacement reaction.
Use:
- 4,4 '-dicyanodiphenylmethane is mainly used as an important intermediate for polymer materials.
-It can be used to synthesize various polyamides, polyamic acids, polyimines, polyimides and other polymer compounds.
-These polymer materials are widely used in fibers, coatings, plastics, catalysts, polymer additives and other fields.
Preparation Method:
- 4,4 '-dicyanodiphenylmethane can be prepared by reacting terephthalic acid diester with sodium cyanide under alkaline conditions.
-First react the phthalic acid diester with sodium cyanide in an alkaline medium (such as ethanol) to produce two sodium salts of benzoic acid diester.
-Then, by heating, the two sodium salts of benzoic acid diesters are dealcoholized to form 4,4 '-dicyanodiphenylmethane.
Safety Information:
- 4,4 '-dicyanodiphenylmethane has low toxicity, but it is still necessary to pay attention to safe operation.
-When handling it, take appropriate protective measures, such as wearing gloves, goggles and protective clothing.
-Avoid contact with skin, eyes and respiratory tract to prevent possible irritation.
-When using or storing, keep away from fire and oxidant, and maintain a well-ventilated working environment.
Nature:
- 4,4 '-Dicyanodiphenylmethane is a colorless crystal that is soluble in organic solvents, such as alcohols and ethers, and insoluble in water.
-It has a higher melting point and boiling point, 202-204°C and 450°C, so it is a stable compound.
-In the chemical reaction, it can break the covalent bond through the nuclear replacement reaction.
Use:
- 4,4 '-dicyanodiphenylmethane is mainly used as an important intermediate for polymer materials.
-It can be used to synthesize various polyamides, polyamic acids, polyimines, polyimides and other polymer compounds.
-These polymer materials are widely used in fibers, coatings, plastics, catalysts, polymer additives and other fields.
Preparation Method:
- 4,4 '-dicyanodiphenylmethane can be prepared by reacting terephthalic acid diester with sodium cyanide under alkaline conditions.
-First react the phthalic acid diester with sodium cyanide in an alkaline medium (such as ethanol) to produce two sodium salts of benzoic acid diester.
-Then, by heating, the two sodium salts of benzoic acid diesters are dealcoholized to form 4,4 '-dicyanodiphenylmethane.
Safety Information:
- 4,4 '-dicyanodiphenylmethane has low toxicity, but it is still necessary to pay attention to safe operation.
-When handling it, take appropriate protective measures, such as wearing gloves, goggles and protective clothing.
-Avoid contact with skin, eyes and respiratory tract to prevent possible irritation.
-When using or storing, keep away from fire and oxidant, and maintain a well-ventilated working environment.
Last Update：2024-04-10 22:29:15
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