MSDS (Material Safety Data Sheet), that is, chemical safety technical instructions, can also be translated into chemical safety instructions or chemical safety data sheets. Is the physical and chemical properties of manufacturer and importer of chemicals used to clarify chemicals (such as pH, flash, flammable, reaction activity, etc.) as well as the health of users (such as carcinogenic, teratogenic and so on) a document that could be harmful.

In European countries, the material safety technology / data sheet MSDS is also called security technology / data specification SDS (Safety, Data, Sheet). The international organization for Standardization (ISO) adopts the SDS terminology, while the United States, Canada, Australia and many Asian countries adopt the MSDS terminology.

MSDS is a comprehensive legal document on the characteristics of chemicals provided by the chemical manufacturing or marketing enterprise to customers in accordance with legal requirements. It provides physical and chemical parameters of the chemical, explosion performance, health hazards, safe use, storage, leakage disposal, first aid measures, and related laws and regulations, etc., sixteen contents. MSDS may be written by the manufacturer in accordance with the relevant rules. But in order to ensure the accuracy and standardization of the report, it can be applied to professional organizations.