[Translate to Englisch:] Entwicklung und Herstellung nichtionischer und anionischer Tenside

About us

With our enthusiasm for permanent progress and typical Swiss quality standards, we have achieved a leading international position in the chemical industry. Our core competence is the development and manufacture of nonionic and anionic surfactants.


Schaerer & Schlaepfer is specialized in the field of surface-active substances for a variety of applications. Focussing on alkoxylations of complex starters with various oxiranes, our product range also includes: carboxylic acid esters, surfactant mixtures, formulated preparations and anionic surfactants – such as sulfated castor oil, alkyl phosphates/sulphates and sulphosuccinates.


While we look back with pride on over 70 years of company history, we look forward to shaping the future with our highly qualified staff. We do this by addressing market trends and developments, optimizing our processes and applying the state-of-the-art technologies. Thanks to flexible production facilities, we are always able to respond with compelling solutions to the changing needs of our international customers.


Key figures

1947founding of the company by the two brothers Otto and Werner Schärer and Willy Schläpfer
1949beginning of the production of “Turkey red oil”
1964start-up of alkoxylation reactions in Rothrist
1965Heinz Schärer (second-generation) becomes CEO
1995certification ISO 9001
2001Dr. Rolf Schärer (third-generation) becomes CEO
2001certification ISO 14001
2003GMP certification and authorisation for manufacturing of Active   Pharmaceutical Ingredients (API) through Swissmedica
2011expansion of the tank farm
2013new construction of the analytical laboratories
2015enlargement and renewal of the reactor capacities


Our various products and services are supplied worldwide, besides the home market Switzerland and the countries of the European Union.


Due to our broad know-how of different applications fields, our nonionic surfactants and other oxirane based oligomers perform excellent in market areas of:

  • Coating, paints and inks
  • Detergents and cleaners
  • Lubricants
  • Agrochemical industry
  • Textile and leather auxiliary industry
  • Body care, cosmetics und pharmaceutical industry
  • Construction industry
  • Polymer industry
  • Customised speciality chemicals

How can we help you?

We take care of your requests personally.

Manuel Blunier

Head of Sales & Marketing
Co-Managing Director

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Manuel Blunier

Aylin Kilical

Marketing & Sales Assistant

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Aylin Kilical

Patrick Zwyer

Sales Manager Specialty Chemicals

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Patrick Zwyer