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Structure of 5680-10-4
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4,5-Dimethylphthalic acid features a rigid aromatic core with two methyl groups positioned ortho to the carboxylic acid functionalities, enhancing steric shielding and reducing reactivity. This substitution pattern improves thermal stability and solubility in organic solvents compared to unsubstituted phthalic acid. The molecule serves as a valuable building block for synthesizing polyesters, pharmaceutical intermediates, and functionalized ligands in coordination chemistry, where controlled reactivity and defined spatial orientation are critical.
4,5-Dimethylphthalic acid serves as a versatile building block in synthetic organic chemistry, enabling the construction of substituted phthalate esters and heterocyclic systems. Its ortho-dicarboxylic acid functionality facilitates efficient cyclizations and metal coordination, while the methyl groups enhance steric and electronic tuning. The compound exhibits good bench stability and is readily purified by recrystallization, supporting its use in pharmaceutical intermediates and specialty polymers.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H312-H332
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P363-P501
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Lot numbers can be found on the outside label of a product: