Description

4-Methylphenyl 4-methylbenzene-1-sulfonate (CAS No. 3899-96-5) is a high-purity sulfonate ester with the molecular formula C₁₄H₁₄O₃S. This compound, also known as (4-methylphenyl) 4-methylbenzenesulfonate, is a valuable reagent for organic synthesis and material science research. It features two methyl-substituted phenyl rings connected via a sulfonate linkage, offering unique reactivity in electrophilic and nucleophilic transformations. Our product is rigorously tested for purity (typically ≥95% by HPLC) and is supplied as a crystalline solid under inert packaging to ensure stability. Ideal for use in cross-coupling reactions, polymer chemistry, and as a precursor for advanced intermediates.

Properties

• CAS Number: 3899-96-5
• Complexity: 342
• IUPAC Name: p-tolyl 4-methylbenzenesulfonate
• InChI: InChI=1S/C14H14O3S/c1-11-3-7-13(8-4-11)17-18(15,16)14-9-5-12(2)6-10-14/h3-10H,1-2H3
• InChI Key: QOVYKRHZCJGNIA-UHFFFAOYSA-N
• Exact Mass: 262.06636548
• Molecular Formula: C14H14O3S
• Molecular Weight: 262.33
• SMILES: CC1=CC=C(C=C1)OS(=O)(=O)C2=CC=C(C=C2)C
• Topological: 51.8
• Monoisotopic Mass: 262.06636548
• Synonyms: 4-Methylphenyl 4-methylbenzene-1-sulfonate, 3899-96-5, (4-methylphenyl) 4-methylbenzenesulfonate, CCG-989, NSC406343, 4-methylphenyl4-methylbenzenesulfonate, 4-Methylphenyl tosylate, 1-methyl-4-(4-methylphenoxy)sulfonyl-benzene, Paratoluolsulfosaurekresylester, SCHEMBL4126086, SCHEMBL9852204, p-methylphenyl p-toluenesulfonate, p-Tolyl 4-methylbenzenesulfonate, SCHEMBL27848097, 4-methylphenyl 4-toluenesulfonate, DTXSID90324303, AKOS008677659, Toluene-4-sulfonic acid p-tolyl ester, HS-5759, NSC-406343, F70357, EN300-7184545, AO-548/41714201

Application

4-Methylphenyl 4-methylbenzene-1-sulfonate serves as a versatile building block in organic synthesis, particularly in the preparation of sulfonated polymers and liquid crystals. Researchers utilize this compound as a latent sulfonic acid source in acid-catalyzed reactions. It is also employed in the development of specialty coatings and adhesives due to its thermal stability and reactivity.

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