Material Safety Data Sheet (MSDS):
Are you looking to be safe or are you wanting to know exactly what chemicals you are to be handling in the lab?
Check out the two links below. There you can search any chemical used within your lab experiment. Information such as how to handle the substance, safely dispose of the substance, and even what to do in the event that 'something' dramatic were to happen in the lab with that substance, can be found in either of these two links.