Merck PTE is the ultimate tool for every friend of chemistry. This free, mobile application enables you to find out any imaginable information about an element, calculate molar masses of any compounds you like, facilitate your overview with infographics, compare atomic radii, masses, electronegativities, and much more! 

Thanks to the many hours of work, experiences, reviews, and user feedbacks on our first PTE App (with over a million downloads!) we are now able to provide the new, improved, and more appealing version of the Merck PTE App.

This app is the ultimate tool for every friend of chemistry. It's a must-have for every chemistry student or professor, amateur or expert, hobbyist or technician. Our app is a tool that is useful for every user. Whether you're a student, a professor, a teacher, or a lab technician, this app can be used by you.

This app is a tool that is useful for every user.