The latest version (e.g., July 2025 or February 2026) contains over 86,000 chemicals .

To ensure you are downloading legitimate data files and not potentially harmful archives, use these verified government sources:

Provides access to the non-confidential identities of substances submitted under TSCA.

The download provides non-confidential identities of chemical substances, their CAS numbers , and their "active" or "inactive" status in U.S. commerce.

Files are typically available in CSV or Microsoft Access formats, which you may need to decompress (using tools like WinRAR or 7-Zip) after downloading from the official EPA TSCA Inventory Access Page .

Looking for the latest data? Whether you're conducting a compliance check or environmental research, the U.S. Environmental Protection Agency (EPA) regularly updates the non-confidential list of chemicals manufactured or imported in the U.S..

The primary hub for downloading the non-confidential inventory in various data formats.

Use this to find the quadrennial reports on chemical production and use volumes. How to Access the TSCA Inventory | US EPA