Carve out: BASF’s optical brighteners division goes to Catexel
Ludwigshafen, Germany — BASF and Catexel have signed an agreement on the sale of BASF’s optical brighteners business. Optical brighteners are ingredients in detergent formulations. The business is currently part of BASF’s Care Chemicals division. Financial details of the transaction will not be disclosed. Proventis Partners advised BASF on the sale of the optical brighteners business to Catexel. — The transaction is expected to close in the first quarter of 2026.
The transaction comprises the international business including the production of optical brighteners at the Monthey site in Switzerland and around 80 employees.
This divestment contributes to BASF’s strategic transformation. “As part of our ‘Winning Ways’ strategy, we are actively managing our portfolio and driving prioritization. With Catexel, a committed, focused new owner will further develop the business to realize its potential,” said Mary Kurian, President Care Chemicals.
Catexel is the Care Chemicals platform of the International Chemical Investors Group (ICIG) and specializes in high-quality specialty chemicals for detergents and cleaning agents, personal care products and industrial applications. With the acquisition of the optical brightener business and production, Catexel is sending a clear strategic signal: the company is expanding its portfolio to offer its customers an even broader range of high-quality ingredients for detergents and to further strengthen its position as a reliable partner in the market.
Dr. Alexander Snell, President and CEO of Catexel, explains: “This acquisition is another milestone for Catexel. With the state-of-the-art production facility and the experienced team in Switzerland, we are laying the foundation for further growth and innovation. This strengthens our position as a reliable partner for our customers and drives our strategic direction forward.”
BASF remains one of the leading suppliers and innovators of ingredients for the home care, industrial and institutional cleaning markets.
The role of Proventis Partners
Proventis Partners acted as exclusive M&A advisor to BASF throughout the entire sales process. The advisory services included the identification of potential buyers, the preparation of marketing materials, the coordination of due diligence, discussions and negotiations with potential buyers as well as the structuring of the transaction. The transaction team of Proventis Partners consisted of Dr. Jan-Philipp (JP) Pfander (Partner, Zurich), Artur Maibach (Vice President, Zurich) and Daniel Bütikofer (Analyst, Zurich).
About Catexel
Catexel is a leading global manufacturer of detergent additives with sites in Germany, the USA and the Netherlands. With 220 employees worldwide, Catexel develops, produces and distributes specialty chemicals for detergents and cleaning agents, personal care products and industrial applications. Catexel is part of the International Chemical Investors Group (ICIG). — www.catexel.com.
About ICIG
The International Chemical Investors Group is a private industrial group with a total turnover of over 4 billion euros. ICIG focuses on several main platforms: Fine Chemicals under the WeylChem brand, Care Chemicals (Catexel), Chlorovinyl Products (Vynova), Compounds (Benvic), Hydrocarbons and Solvents (HCS Group), Superabsorbents (Stockhausen Superabsorbents), as well as companies specializing in industrial drying services, fermentation products, viscose filaments, activated carbon and wood protection chemicals. Today, the ICIG companies employ more than 7,150 people and operate over 50 production facilities in Europe, the USA and India. — www.ic-investors.com
About BASF’s Care Chemicals division
BASF’s Care Chemicals division offers a wide range of ingredients for personal care, household care, industrial and institutional cleaning and technical applications. We are a leading global supplier to the cosmetics industry as well as the detergents and cleaners industry and support our customers with innovative and sustainable products, solutions and concepts. The division’s high-performance product portfolio includes surfactants, emulsifiers, polymers, plasticizers, chelating agents, cosmetic active ingredients and UV filters. We have production and development sites in all regions and are expanding our presence in emerging markets. — www.care-chemicals.basf.com
About BASF
At BASF, we create chemistry for a sustainable future. Our goal is to be the preferred chemical company that enables the green transformation for our customers. We combine economic success with environmental protection and social responsibility. Around 112,000 BASF Group employees contribute to the success of our customers in almost all industries and almost every country in the world. Our portfolio comprises the core businesses Chemicals, Materials, Industrial Solutions and Nutrition & Care; our independent businesses are combined in the Surface Technologies and Agricultural Solutions segments. BASF achieved sales of €65.3 billion in 2024. BASF shares are traded on the Frankfurt Stock Exchange (BAS) and as American Depositary Receipts (BASFY) in the United States. — www.basf.com.
About Proventis Partners
Proventis Partners is a partner-managed M&A advisory firm whose clients primarily include medium-sized family businesses, corporate groups and private equity funds. With 30 M&A experts, Proventis Partners is one of the largest independent M&A advisory firms in the German-speaking region and has more than 20 years of experience and over 430 successfully completed transactions.
With offices in Frankfurt, Hamburg and Zurich, the M&A advisors are active in the industrial, chemicals and materials, services, technology and media, consumer goods and retail and healthcare sectors. Through its exclusive membership of the Mergers Alliance — an international partnership of leading M&A specialists — Proventis Partners is able to support clients in 30 countries in the world’s most important markets. The members of the Mergers Alliance, with more than 250 M&A professionals, provide Proventis Partners and its clients with unique access to local markets in Europe, North America, Latin America, Asia and Africa. — www.proventis.com

