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Structure of 632-15-5
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3,4-Dimethylthiophene is a bench-stable, electron-rich heterocycle featuring two methyl groups at the 3 and 4 positions of the thiophene ring. This substitution pattern enhances stability and modulates electronic properties, making it ideal for use in conjugated polymer synthesis and transition metal-catalyzed coupling reactions.
3,4-Dimethylthiophene serves as a versatile building block in heterocyclic synthesis, offering enhanced stability and predictable reactivity in electrophilic substitution and transition-metal-catalyzed coupling reactions. Its methyl substituents provide steric and electronic modulation, facilitating selective functionalization and enabling access to substituted thiophene scaffolds relevant to organic semiconductors and pharmaceutical intermediates.
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GHS Pictogram :
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GHS No : GHS02,GHS07
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Signal Word : Danger
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UN#: 1993
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Class : 3
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Packing Group : Ⅲ
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Hazard Statements : H225-H315-H319-H335
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Precautionary Statements : P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501
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Lot numbers can be found on the outside label of a product: