The Chlorine Institute (CI) founded in 1924, is a technical trade association of companies involved in the safe production, distribution and use of chlorine, sodium and potassium hydroxides and sodium hypochlorite, the distribution and use of hydrogen chloride and the distribution of vinyl chloride monomer.

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Our Mission

The Chlorine Institute exists to support the chlor-alkali industry in advancing safe, secure, environmentally compatible, and sustainable production, distribution, and use of its mission chemicals*.

*CI’s mission chemicals:  chlorine, sodium and potassium hydroxides, sodium hypochlorite, the distribution of vinyl chloride monomer (VCM), and the distribution and use of hydrogen chloride.

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Technical Services Questions
As a public service, the Chlorine Institute regularly fields technical questions about the chlor-alkali industry. Anyone can ask a question. Before submitting your request we encourage you to review our list of Frequently Asked Questions (FAQs) to see if your question may already be answered on the web page.

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Listen to the Stay Tuned with CI Podcast
CI's quarterly podcast, Stay Tuned with CI, will feature a new guest speaker in each episode. Aligning with our safety mission, the podcast will focus on safety topics related to the chlor-alkali industry. You can listen to the episodes on the CI website, as well as with Apple and Android podcast apps.

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Nominate a member for the Peter M. Mayo Award
Established in 2004 and sponsored by the Institute's Board of Directors, the award is given in memory of Peter M. Mayo, a leader in the industry, a strong supporter of safety excellence, a former Chair of the Storage and Transport Committee, and an active participant in CI for more than 30 years.

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