Arch Chemicals Inc., Norwalk, CT, announced the launch of its "Chemistry One-on-One" e-commerce site, which offers customers web-based access to the company's urethane products. The site allows order placement, checking on order status, and access to invoices, certificates of analysis, MSDSs, and account balances, the company says. More information is available from the company's website at www.archchemicals.com.