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ChemScore report card 2025
Merck
Total Score
16/100
Ranking
9/28
About the company
The Merck group, commonly referred to as Merck, is a worldwide science and technology company headquartered in Darmstadt, Germany. It has around 60,000 employees and operates in 66 nations. Merck functions across healthcare, life sciences, and electronics sectors. Established in 1668, it is the oldest operating chemical and pharmaceutical company in the world and ranks among the largest pharmaceutical firms globally.
Transparency
12 out of 25 points
Phase-out of persistent chemicals
3 out of 25 points
Product portfolio
1 out of 25 points
To reach a final score in this category, we assess the company’s transparency in chemical production. Lower transparency makes it harder to achieve a good score. If the product portfolio transparency is very low, a company producing just one or even zero toxic chemicals (according to available data) might receive the same poor score as one producing 50.
Visit the methodology to delve deeper into ChemScore ranking.
Number of registered hazardous chemicals
59
Number of chemicals on the EU’s Candidate List
22
Number of chemicals on the EU’s Authorisation List and/or POP substances
3
Number of persistent chemicals
6
Product portfolio transparency
47%
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