Thank you for being part of the #ACS150 celebration and for helping move chemistry, and our world, forward. 🎂 🎉 [4/4]

As we reflected on the legacy we’ve built together, we also celebrated our vibrant community shaping the future—strengthened by connection, inspired by discovery, and committed to making a difference. [3/4]

We honored our global community united by curiosity, collaboration, and advocacy for science. Through shared ideas and collective voices, our membership continues to advance chemistry and champion solutions that matter to society. [2/3]

Today, the American Chemical Society marked a historic milestone—150 years of chemistry, community, and impact.

From ACS headquarters in Washington, D.C., members, leaders, and friends from around the world came together for our Founding Day celebration. [1/]

We want to celebrate with you.

🎊Happy Founders' Day! Today marks the 150th anniversary of ACS! 🎊

We want to celebrate from you! Share your emoji with the number that represents how you feel in the comments using #ACS150.

Celebrating ACS 150 Chemistry is Everything Thalappil Pradeep's headshot "Every drop of water comes with the hope that it can change the world." Thalappil Pradeep, Ph.D. Associate Editor for ACS Sustainable Resource Management, former Associate Editor for ACS Sustainable Chemistry & Engineering, Inventor, author, philanthropist, entrepreneur, and Institute Professor at the Indian Institute of Technology Madras. ACS Chemistry for Life Logo #ACS150 American Chemical Society

Thalappil Pradeep's work focuses on developing technologies to make clean water accessible. For him, chemistry is central to creating a sustainable future.

Click the link to learn more and celebrate #ACS150
buff.ly/zp7N56h

Join the virtual ACS Founding Day Celebration on Monday, April 6 at 10 AM ET! Invite your community to attend the celebration and commemorate the historical milestone – Chemistry is Everything! #ACS150

Register today: buff.ly/fW8KBrP

Learn more and celebrate #ACS150 all year long at buff.ly/zp7N56h
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#DYK ACS turns 150 this year? This video is part of a yearlong series shaped by the American Chemical Society’s (ACS) enduring core values — passion for science, inclusion and belonging, lifelong learning, and sustainability — featuring ACS members from around the world.
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Dr. Pradeep is an Associate Editor for ACS Sustainable Resource Management, former Associate Editor for ACS Sustainable Chemistry & Engineering, inventor, author, philanthropist, entrepreneur, and Institute Professor at the Indian Institute of Technology Madras.
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Thalappil Pradeep, Ph.D., creates materials that make clean drinking water more affordable. Meet Dr. Pradeep and glimpse the passion and commitment driving his life-changing work.
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Join the virtual ACS Founding Day Celebration on Monday, April 6 at 10 AM ET! Invite your community to attend the celebration and commemorate the historical milestone – Chemistry is Everything! #ACS150

Register today: buff.ly/fW8KBrP

P2F Postdoc to Faculty Workshop Washington, DC July 17-19, 2026

Attention postdocs! There's still time to apply to the ACS Postdoc to Faculty Workshop! Learn from current faculty on what it takes to transition from a postdoc into your future faculty role with the #ACSP2F Workshop.

Apply by April 5: buff.ly/ppXfyat

ACS Chemistry for Life American Chemical Society Your Voice Matters in Chemistry Share Your Story. Influence Policy. Share how changes in research funding or regulations are impacting your work, and what changes you want to see from your representatives in DC. Together, we can advocate for a stronger future for chemistry. #ChemistryCommunity #ACSVoices #SupportScience

Your Voice Matters in Chemistry
Share Your Story. Influence Policy. Shape the Future.

#ChemistryCommunity #ACSVoices #SupportScience

Click the link to learn more: buff.ly/ZXRzfz1

Celebrating ACS150 Chemistry is Everything Roshini's headshot “Chemistry is possibility. It drives innovation, connects disciplines, and helps us design solutions. As an educator, I see chemistry empower students to understand their world and realize they can shape its future.” Roshini Ramachandran ACS Chemistry for Life Logo #ACS150 American Chemical Society

To Roshini, chemistry provides, such as education and innovation, to make an impact.

What does chemistry mean to you? Click the link to share your thoughts: buff.ly/Oy6PXTd #ACS150

ACS Fall 2026 August 23-27 Chicago #ACSFall2026 Submit abstract

Still buzzing from your conversations at #ACSSpring2026? There's still a few days to submit your abstracts for #ACSFall2026!

The abstract submission deadline is March 30, 2026 at 11:59 p.m. EDT.
Start your submission: buff.ly/ba5V0Gj

Two people jumping next to the Celebrating ACS150 ACS Spring 2026 activation in Atlanta

That's a wrap on #ACSSpring2026! You shared how you #SupportScience, we continued the celebrations of #ACS150, made new friends, and learned more about how chemistry connects everything. Looking forward to seeing you in Chicago for #ACSFall2026!

Two people at ACS Spring 2026 pose with props with one saying the Catalyst Commander and the other one saying The catalyst

Today is the last day of the #ACSSpring2026 and we want to keep this momentum going. We asked a few attendees to share what excites them the about of the future of chemistry. Here’s what they had to say.

What excites you? Share below.

A group of people standing at a table wearing blue lanyards networking at ACS Spring 2026 in Atlanta

From sharing ideas with scientists from around the world to networking with colleagues in academia & industry, #ACSSpring2026 has a moment for you.

We asked a few attendees to share their favorite part so far. Here's what they had to say. Now your turn. What is your favorite part? Comment below. ⬇️

C&EN Magazine April 2026 - The future of scientific sleuthing

This week in the C&EN Magazine: Scientific sleuths come in from the cold + What are MOFs good for? + Economic headwinds buffet industrial chemists: cen.acs.org/magazine/104...

#chemsky 🧪

There's something for everyone.

We hope to see you there!

The Expo is open from 11 am - 5 PM on Tuesday and from 10 am - 2pm on Wednesday. Where is your first Expo stop? Comment below.
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A person takes a selfie with Professor Molenium at ACS Expo: Spring 2026

Looking for a break from the day's technical sessions? Visit the Expo to experience the latest tools in chemistry, network at the career fair, and check out the ACS Store. You can even spend time with adorable puppies, take a pause at the wellness lounge, and so much more.
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ACS Members! Get your commemorative #ACS150 mole pin at #ACSSpring2026! The next giveaways are at 1:50pm Tuesday and Wednesday at the Member Lounge in the Registration Lobby.

Look for other opportunities to network throughout the meeting - tonight is the SciMix poster session! What are you looking forward to today? #ACSSpring2026
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Yesterday, attendees gathered for the ACS Connect happy hour, a fun opportunity to meet fellow chemists, new colleagues and get excited for all the upcoming events.
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acs (iPosterSessions - an aMuze! Interactive system) Watch this video (will be published on 3/24) featuring this work on the ACS Headline Science Series

They’ll be at poster board D15 in the Exhibit Hall during the COMP poster session, in case you’d like to stop by and learn more.

Even if you’re not in Atlanta, you can still check out her digital poster here: buff.ly/RvArcrt

Click the link to learn more: buff.ly/sMNz2iI
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Sodium channel standoff | Headline Science How can garter snakes eat poisonous newts and survive? And how might newts evolve to fight back? A computational chemist investigates the molecular battle behind this evolutionary arms race. “When…

Garter snakes can eat poisonous newts and survive. How? And how might newts fight back? A computational chemist seeks answers.

Kait Malewicz, a grad student at Virginia Tech College of Science, is presenting this work today at #ACSSpring2026!
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A group of people wearing blue lanyards with Professor Molenium at an ACS Meeting

Calling all #ACSSpring2026 attendees: Come meet Professor Molenium and snap a picture to share!

The professor will be at the Support Science wall in the registration area (Level 4) today from 11:30am-noon.

Tag us and use #MoleMoment in your photos!

Photo credit: EPNAC.com

EPNAC Photography and Video Want to find out how we can help you engage your attendees while documenting your event? Tell us a bit about your project and we'll be in touch.

Here's where Professor Molenium will be:
📅 Monday, March 23
3:30-4pm Career Lounge, Expo Hall

📅 Tuesday, March 24
11:30am-12pm Support Science wall in the Registration area, Level 4

Photo credit: EPNAC.com
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Mole Moment with Professor Molenium at ACS Meeting with a group of people clapping and high fiving near the Proud to be a chemist activation

Need a moment this #ACSSpring2026? Come have your #MoleMoment to snap a picture with Professor Molenium!

Don't forget to tag us and use the hashtag #MoleMoment when you share your photos on social media!
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