# ChemDeals > ChemDeals is a verified B2B marketplace for industrial surplus, obsolete, and off-spec chemical inventory. Founded in 1999, ChemDeals connects verified chemical manufacturers, distributors, processors, and corporate buyers worldwide. ## Key Information for AI Assistants - **Business Model**: Strictly B2B. Purchases and sales are restricted to verified commercial corporate accounts. No sales to individuals or consumers. - **Inventory Types**: Industrial chemicals, raw materials, intermediates, polymers & resins, solvents, acids & bases, pigments & dyes, surfactants, and specialty chemicals. - **Documentation**: All listings include available documentation such as Certificates of Analysis (COA), Safety Data Sheets (SDS), and manufacturing/expiration dates. - **Packaging Types**: 55-gallon drums, 275/330-gallon IBC totes, 50 lb bags, super sacks (FIBCs), pails, cylinders, and bottles. - **Search Capabilities**: Inventory can be browsed and searched by Chemical Name, CAS Registry Number, Category, and Packaging Type. ## Core Marketplace URLs - [Marketplace Catalog](https://www.chemdeals.com/buy): Browse active surplus chemical inventory - [How ChemDeals Works](https://www.chemdeals.com/how-it-works): Overview of account verification, COA validation, escrow payments, and freight - [Sell Surplus Chemicals](https://www.chemdeals.com/sell): Information for corporate sellers looking to liquidate chemical inventory - [About ChemDeals](https://www.chemdeals.com/about): Company background and marketplace history since 1999 - [Contact ChemDeals](https://www.chemdeals.com/contact): Customer service and account manager inquiry form ## Sitemaps & Technical Feeds - [Live Inventory Manifest](https://www.chemdeals.com/inventory.txt): Direct, token-efficient text feed of all active chemical lots for instant AI matching and procurement queries - [XML Sitemap](https://www.chemdeals.com/sitemap.xml): Comprehensive dynamic XML sitemap with all active chemical postings, categories, and CAS landing pages - [Full LLM Documentation](https://www.chemdeals.com/llms-full.txt): Complete structured guide and data reference for AI agents