About Evonik Active Oxygens

PeroxyChem, LLC is now Evonik Active Oxygens, LLC.

Evonik Active Oxygens is a leading global manufacturer of persulfates, innovative remediation technologies and adjacent chemistries. With persulfate manufacturing locations in Tonawanda, New York, USA and at RheinPerChemie GmbH in Rheinfelden, Germany, we produce the highest quality persulfate products, have superior technical expertise and the most reliable supply in the world.

Our dedicated plant employees contribute to Evonik Active Oxygens' 70+ years of persulfate production experience. With an unyielding commitment to safety at its core and backed by an exceptional team, the company prides itself on exemplary customer service, product quality, reliability and superior technical service. We supply products for environmental, oil and gas, pulp & paper, chemical synthesis, and other industrial and consumer markets.

We are a company founded on strong core values that emphasize safety, our people, innovation, teamwork, accountability, and passion for growth and improvement. These values and how they are woven into our everyday work, are what separate us as a value-added global technology company. A sense of accountability coupled with our enthusiasm for business creativity allows us to solve market needs, ensure product integrity and provide exceptional customer service.


We prioritize the well being of our people, the community and the environment.

Our People

We believe our people are our greatest resource and strive to establish an open environment that fosters respect & the sharing of ideas.


We use innovation to excite the customer and outdo the competition.

Passion for Focus and Growth

We are commited to the type of growth in ourselves and in our business that creates enterprise sustainability.

Continuous Improvement

We encourage each other to find better, more efficient and more productive ways of performing our work.

One Team

By working as teammates, we leverage the power of the group. Keeping an open dialogue is key to helping us grow as individuals and as a business.

Act Like Owners

We think and do as if we are owners, making the right choices and investing wisely.

Read our full Code of Ethics and Business Conduct:



At Evonik, we live our core values and are committed to performing our business at the highest standards - honestly, ethically and in compliance with all applicable laws. We are proud to participate in the International Chemistry Council Responsible Care initiative and operate our business according to its guiding principles.