Phenol-4-Sulfonic Acid

  • Manufacturer: LANXESS
  • Substance / CAS no.: Phenolsulfonic Acid
  • CAS: 98-67-9
  • EC Number: 202-691-6
  • REACH: 01-2119538813-35-0002
  • IUPAC Name: 4-Hydroxybenzenesulphonic acid
  • GHS: Not available
  • Appearance: Liquid
  • Molecular Formula: C6H6O4S
  • Color: Not available
  • Molar Weight [g/mol]: 174.170
  • Concentration / Purity: 65%
  • Synonyms: 4-hydroxybenzenesulfonic acid; p-phenolsulfonic acid; phenolsulfonic acid; 4-phenolsulfonic acid; p-sulfophenol; sulfocarbolic acid; benzenesulfonic acid,4-hydroxy-; p-hydroxybenzenesulfonic acid; phenol-4-sulfonic acid; benzenesulfonic acid,p-hydroxy-
  • Industries: Other Industries , Rubber , Construction , Plastics
  • Product Groups: Other Purification Agents , Acids , Other Additives
  • Required Documents: None
  • Other Restrictions: None
  • Other Certificates: None
  • Product only ships to: Andorra, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Poland, Portugal, Romania, San Marino, Slovakia, Slovenia, Spain, Sweden, United Kingdom, Vatican City (Holy See)
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Supplier Information

LANXESS Deutschland GmbH (Business Unit MPP)

  • Cologne, DE
  • ISO 9000 - Quality Management
  • ISO 14000 - Environmental management
  • ISO 50001 - Energy management
  • UN Global Compact
  • TfS - Together for Sustainability
  • Supplier T&C

Product Description


PHENOL-4-SULFONIC ACID is an aqueous solution of phenol-4-sulfonic acid. The product is used in electrolytic galvanizing bath (tin plate production) and in the purification of crude tin by electrolytic refining. The product is also suitable for use in other electrolytic, galvanic or chemical processes.
It is also a chelating agent for fertilizers and an additive for the production of floral foam.

Application fields are construction, electroplating, finishing of metals, material protection, plastic- and rubberpolymers.

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