Visit the Museum

CHF Museum permanent exhibit

The Museum at CHF is free and open to the public. Enjoy special activities on Saturdays and Sundays in the spring and summer!

Chemical Heritage Foundation
315 Chestnut Street
Philadelphia, PA 19106

Tel: 215.925.2222



Museum hours

Monday–Friday: 10:00 a.m.–5:00 p.m.

Saturdays (through September 19): 10:00 a.m.–4:00 p.m.

Sundays (through September 20): 12:00 p.m.–4:00 p.m.

First Friday of the month (March–December): 10:00 a.m.–8:00 p.m.


Please note that the museum will be closed on these days:

• New Year’s Day (January 1, 2015)
• Memorial Day weekend (May 23–25, 2015)
• Independence Day weekend (July 3–5, 2015)
• Labor Day weekend (September 5–7, 2015)
• Papal Visit (September 26–27, 2015)
• Thanksgiving and the day after (November 26–27, 2015)
• Christmas Eve and Christmas Day (December 24–25, 2015)


Admission to the museum at CHF is free.

Viewing exhibits

The permanent exhibit, Making Modernity, and the changing exhibits in the Hach Gallery and DuPont Gallery can be viewed at any time during museum hours. 

Transmutations in the Fisher Gallery is available for viewing by appointment during regular museum hours. Please e-mail or call 215.925.2222 to schedule a time to visit the gallery.

First Fridays at CHF

CHF participates in First Fridays, an open house occurring the first Friday of the month throughout Philadelphia’s Old City Arts District. In addition to extending our hours until 8:00 p.m., the Museum at CHF hosts special guest speakers and hands-on activities.

Directions, transportation, and parking

Get directions, transportation information, and parking information here.

Wheelchair accessibility

CHF’s exhibits are completely accessible by wheelchair. Please see “Wheelchair Access” here.

Get a Guided Tour

Connect with CHF

Mailing List

Mailing List Signup
Sign up to receive CHF news, event invitations, and much more.

Need Meeting Space?

CHF’s state-of-the-art conference center is in Philadelphia’s beautiful historic district.

Sensing Change

See your environment with fresh eyes through this online exhibit.

First Fridays at CHF

CHF joins its Old City neighbors in hosting special events on the First Friday of most months. Learn more about our First Friday schedule.