October 17–25, 2021

National Chemistry Week

Theme: Fast or Slow ... Chemistry Makes It Go!

COVID-19 Guidance: CCA strongly encourages all ACS groups to become aware and follow local, state, federal, and global health and government directives relative to large events and gatherings to address health and safety concerns around the ongoing pandemic. Resources are available for the planning of in-person and virtual events for NCW 2021.

National Chemistry Week Logo

National Chemistry Week (NCW) is a public awareness campaign that promotes the value of chemistry in everyday life. ACS members and chemistry enthusiasts celebrate NCW by coordinating events and communicating the importance of chemistry. Read more about NCW.

Celebrate National Chemistry Week 2021 the week of October 17–23, 2021 with the theme, "Fast or Slow...Chemistry Makes It Go!"


Featured Content

89%+ participation by ACS local sections

Kids doing chemistry experiment

175,000+ issues of Celebrating Chemistry

Celebrating Chemistry Magazines
Kids doing experiments

19,000+ unique visitors to the website

Large crowd during National Chemistry Week

35M+ reach with #NCW

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Local NCW Coordinator

Visit the NCW Coordinator Lookup
Map showing NCW Coordinator Locations
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outreach@acs.org