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Bayhibit®

Bayhibit is a family of inhibitors that have outstanding stability to bleach, lye, chlorine and bromine. Bayhibit products can be used as additives in cleaning agents and for cooling and processing water.

LANXESS offers for water treatment procedures a range of products based on the active substance 2-phosphono-butane-1,2,4-tricarboxylic acid (PBTC). Developed in the early 1970s, its market success is largely attributed to the following technical advantages:

The three products belonging to the Bayhibit® range show very high stability in the presence of oxidizing biocides/disinfectants such as hypochlorite solution chlorine, bromine or ozone and low tendency to precipitation as calcium phosphonate. The products are easy to formulate and no labelling is required under Germany‘s regulations on hazardous substances and equivalent EU Directives.

Chemical composition

  • Bayhibit® AM Solution of 2-phosphonobutane-1,2,4-tricarboxylic acid in water
  • Bayhibit® N Solution of 2-phosphonobutane-1,2,4-tricarboxylic acid tetrasodium salt in water
  • Bayhibit® S 2-phosphonobutane-1,2,4-tricarboxylic acid salt

 

Business Unit: Rhein Chemie Additives

Properties and benefits

  • Particularly effective scale-inhibition, even under very demanding conditions (high temperatures, pH, water hardness) in cooling water.
  • Good anti-corrosive effect for normal steel, especially in compounds and under ‘all-organic‘ conditions in cooling water.
  • In cleaners particularly effective inhibition of incrustations at pH 10 to 13, even under high temperature conditions.

Synonyms:

  • Phosphonobutantricarboxylic acid sodium salt
  • 2-Phosphonobutane-1,2,4-tricarboxylic acid


2017-10-17

Hard to beat

In regions where road surfaces are poor, vehicle underbodies are subjected to tough conditions, having to withstand the impact of stones thrown up from the surface and, in extreme cases, even direct contact with the ground. A major German car manufacturer is therefore equipping the first vehicles of various model series that are delivered to countries with poor road infrastructure with an engine undertray made of a particularly robust thermoplastic composite construction.

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