A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products. A Safety Data Sheet (SDS), or Material Safety Data Sheet (MSDS), is a standardized document that contains crucial occupational safety and health information. It is mandated by the International Hazard Communication Standard (HCS). Looking for MSDS information regarding the chemicals in a commercial product or a material safety data sheet (MSDS)? Here is THE most complete MSDS list on the Internet, and it's free! Free access to more than 4.5 million safety data sheets available online, brought to you by 3E. No registration required to use our free MSDS online search. Find a material safety data sheet or the new SDS required by OSHA. MSDS sheets without the hassle. In simple terms, an MSDS is a paper or electronic document that provides detailed information about the risks of a hazardous chemical and advice about safety precautions. It’s about detailed chemical and physical information, hazards, handling and storage procedures, and what to do in an emergency. Free access to more than 4.5 million safety data sheets available online, brought to you by 3E.