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Structure of 5156-01-4
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2-Methylterephthalic acid features a para-disubstituted benzene core with carboxylic acid and methyl groups, enabling robust integration into polyesters and polyamides. This sterically hindered aromatic diacid delivers enhanced thermal stability and crystallinity in polymer matrices, supporting high-performance applications across engineering plastics and fiber production.
2-Methylterephthalic acid serves as a versatile building block in polycondensation reactions, enabling the synthesis of high-performance polyesters with enhanced thermal stability and rigidity. Its ortho-methyl substituent provides steric and electronic modulation, improving crystallinity and processability. The compound exhibits excellent bench stability, facilitates straightforward purification via recrystallization, and demonstrates broad compatibility with standard esterification and amidation protocols in industrial-scale polymer synthesis.
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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-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: