MSDS, international known as chemical safety information card, is the physical and chemical properties of the chemical manufacturers and distributors must provide according to the legal requirements of the chemicals (such as pH, flash, flammable, toxic, reactive etc.), environmental hazards, and health of users (such as carcinogenic, teratogenic) may produce a comprehensive document. It includes the harm of hazardous chemicals Flammable, explosive properties, toxicity and environmental hazards, and safety, emergency handling, the main physical and chemical parameters, the comprehensive laws and regulations on the information.
Antibiotics (Antibiotic), also known as antibiotics, is a variety of organisms (plant, animal and microorganism, especially soil microbial metabolic activities) products, is also capable of selectively inhibiting the microorganisms in low concentration, virus and properties of tissue cells. The antibiotic has grown to more than 2000, but the actual application not much. The chemical structure of different antibiotics, character, according to their chemical structure can be divided into 32 categories, such as nucleosides, peptides, proteins, macrolide, polyene macrolides etc.