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Learn about hazardous reaction information before you head to the laboratory. Search by CAS Registry Number®, chemical name, SMILES, and more.
Access a free database of hazardous reaction information from global academic, industry, and government institutions to enhance chemical safety in your laboratory.
Access the libraryThe use of dangerous chemicals in the laboratory can lead to major risks. To prevent related disasters, hazardous reaction incident information must be shared across the global research community. With the CAS Chemical Safety Library:
Learn about hazardous reaction information before you head to the laboratory. Search by CAS Registry Number®, chemical name, SMILES, and more.
Help make the library even more valuable to other researchers by submitting your hazardous reaction incident information.
Integrate hazardous reaction information from the library with your internal workflows and knowledge bases.
The CAS Chemical Safety Library is a repository for the scientific community to capture and confidentially share hazardous reaction information from real-world laboratory experiences to reduce and prevent incidents. Information in the library is publicly available and uploaded to PubChem.
The repository is overseen by an advisory panel made up of experts from CAS, ACS, and academic, industry, and non-profit organizations worldwide.
Prior to September 1, 2023, the Chemical Safety Library was created and maintained by Pistoia Alliance.