958649-84-8 - Names and Identifiers
Name | 1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester
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Synonyms | bis(4-amino-2-methylphenyl) benzene-1,4-dicarboxylate 1,4-Benzenedicarboxylic acid, 1,4-bis(4-aMino-2-Methylphenyl) ester 1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester
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CAS | 958649-84-8
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EINECS | 1312995-182-4 |
958649-84-8 - Physico-chemical Properties
Molecular Formula | C22H20N2O4
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Molar Mass | 376.41 |
Density | 1.283±0.06 g/cm3(Predicted) |
Boling Point | 655.1±55.0 °C(Predicted) |
pKa | 4.18±0.10(Predicted) |
958649-84-8 - Introduction
1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester, also known as 1,4-benzenediester (1,4-Bis(4-amino-2-methylphenyl) ester), is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester is a solid substance with a molecular formula of C19H20N2O4 and a molecular weight of 344.4g/mol. It is a white crystal with good solubility. It is stable at room temperature, but may burn when exposed to high temperatures, flames or oxidants.
Use:
The compound has a wide range of applications in organic synthesis and materials science. It can be used as an intermediate in the synthesis of dyes, pigments and polymers. In addition, 1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester can also be used to prepare polyimide materials, coatings, polymers and other high-performance materials.
Preparation Method:
the synthesis of 1,4-benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester is usually realized by esterification reaction of amine terephthalic acid. Specifically, phthalic acid is prepared by esterification reaction with methyl benzyl alcohol to obtain ester, and then through nucleophilic substitution reaction, the hydroxyl group on methyl benzyl ester is replaced by amino group, and finally the target product is obtained.
Safety Information:
1,4-Benzenedicarboxylic acid, 1,4-bis(4-amino-2-methylphenyl) ester usually has a lower risk under correct use and storage conditions. However, as an organic compound, it should avoid contact with strong oxidants, high temperatures and flames. Wear suitable protective gloves and glasses to ensure good ventilation during handling and operation. If ingested or inhaled, seek medical attention immediately. When pursuing more detailed safety information, the safety data sheet (SDS) of the compound should be consulted.
Last Update:2024-04-10 22:29:15