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Methyl p-toluenesulfonate is used as a methylating agent in organic synthesis. It acts as a catalyst for alkyd resins. It is also employed in selective 1-substitution reaction of tetrazole. Further, it is used in the preparation of dyes.
Found to give quantitative alkylation of the lithio-derivatives of enol acetates, whereas alkyl iodides give only modest yields: Synth. Commun., 3, 67 (1973).
Bouten, P. J.; Lava, K.; van Hest, J.; Hoogenboom, R. Thermal Properties of Methyl Ester-Containing Poly(2-oxazoline)s. Polymers 2015, 7 (10), 1998-2008.
Zhao, J.; Wang, C.; Zhao, P.; Wen, X.; Lin, C. Bioreducible dextran-polyethylenimine conjugates regulate transgene expression distribution in vivo. J. Mater. Chem. B 2015, 3 (8), 1529-1536.
Gefahrenhinweise (EU): H302-H314-H318-H317
Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage. May cause an allergic skin reaction.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.