Green Chemistry

What is Green Chemistry?

One often wondered about this definition. I needed to know so I looked it up... and its really fairly simple and also a GREAT IDEA...

There are several handbooks that are out describing and listing "green" chemicals. This is a great idea, but they may be outdated the minute they are published. There is new chemistry coming out every minute.

Green products are based on sustainable chemistry.

The EPA's (Environmental Protection Agency) has adopted the following definition of Green Chemistry:

Twelve Principles of Green Chemistry

Prevent waste: Design chemical syntheses to prevent waste, leaving no waste to treat or clean up.
Design safer chemicals and products: Design chemical products to be fully effective, yet have little or no toxicity.
Design less hazardous chemical syntheses: Design syntheses to use and generate substances with little or no toxicity to humans and the environment.
Use renewable feedstocks: Use raw materials and feedstocks that are renewable rather than depleting. Renewable feedstocks are often made from agricultural products or are the wastes of other processes; depleting feedstocks are made from fossil fuels (petroleum, natural gas, or coal) or are mined.
Use catalysts, not stoichiometric reagents: Minimize waste by using catalytic reactions. Catalysts are used in small amounts and can carry out a single reaction many times. They are preferable to stoichiometric reagents, which are used in excess and work only once.
Avoid chemical derivatives: Avoid using blocking or protecting groups or any temporary modifications if possible. Derivatives use additional reagents and generate waste.
Maximize atom economy: Design syntheses so that the final product contains the maximum proportion of the starting materials. There should be few, if any, wasted atoms.
Use safer solvents and reaction conditions: Avoid using solvents, separation agents, or other auxiliary chemicals. If these chemicals are necessary, use innocuous chemicals.
Increase energy efficiency: Run chemical reactions at ambient temperature and pressure whenever possible.
Design chemicals and products to degrade after use: Design chemical products to break down to innocuous substances after use so that they do not accumulate in the environment.
Analyze in real time to prevent pollution: Include in-process real-time monitoring and control during syntheses to minimize or eliminate the formation of byproducts.
Minimize the potential for accidents: Design chemicals and their forms (solid, liquid, or gas) to minimize the potential for chemical accidents including explosions, fires, and releases to the environment.

SOURCE: EPA: http://www.epa.gov/greenchemistry/pubs/principles.html .Originally published by Paul Anastas and John Warner in Green Chemistry: Theory and Practice (Oxford University Press: New York, 1998).

Our Products

We try to use good products for the environment. In certain cases, the "green" products lag in performance and we may use or supply the next best chemical. When technology changes, so will we.