Sulfur Oxides [Oxidation]

Sulfur Oxides [Oxidation] — gathers sulfur trioxide complexes stabilized with bases such as triethylamine or pyridine, along with potassium peroxymonosulfate salts, which together function as controlled SO3 sources and strong oxidants in various sulfonation reactions and selective oxidations of organic compounds.

This category is widely used by organic synthesis researchers for aromatic sulfonation reactions, formation of sulfonyl ester groups, and Swern and Parikh-Doering oxidations that convert alcohols into aldehydes or ketones. Sulfur trioxide-pyridine complex is commonly used in mild oxidation steps in the synthesis of natural products and active pharmaceutical ingredients, while potassium peroxymonosulfate is used as an environmentally friendly oxidant at laboratory scale and in green chemistry processes.

Product examples in this collection: TCI T2136 761-01-3 Sulfur Trioxide - Triethylamine Complex, TCI O0310 37222-66-5 Potassium Peroxymonosulfate [> ca. 45%(T) as KHSO5], TCI P0998 26412-87-3 Pyridine - Sulfur Trioxide Complex.

Pay attention to the complex form (the stabilizing base used), active concentration such as the KHSO5 content in peroxymonosulfate, and storage conditions free from moisture, since these reagents are highly reactive toward water. All products are genuine Tokyo Chemical Industry (TCI) Japan products, with purity, packaging, and storage conditions listed on each item's page.

Other parallel categories under Oxidation [Synthetic Reagents], often used together in a single laboratory workflow:

Back to Oxidation [Synthetic Reagents]. For large-volume procurement, special packaging, or specific grades, contact the AMI Scientific team — the official TCI Japan distributor in Indonesia — to check availability and lead time directly from Japan.

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