Lignin sulfonate

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A sulfonate salt of lignin that is produced as a waste product from chemical processes for making paper pulp. Lignin sulfonate is a brown powder that forms a colloidal solution in water. Lignin sulfonate is used as a dispersant for concrete and for carbon black additions to rubber. It is also used as a tanning agent for leather.

Synonyms and Related Terms


Other Properties

Forms a colloidal solution in water. Insoluble in most organic solvents

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 451; says formed in 'sulfate' process
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993 Comment: says formed in 'sulfite' process
  • The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997 Comment: says formed in 'sulfate' process

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