Difference between revisions of "Sodium alginate"

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== Description ==
 
== Description ==
  
A colorless or pale yellow powder. Sodium alginate is the sodium salt of [http://cameo.mfa.org/materials/fullrecord.asp?name=alginic acid alginic acid]. It is used as a food [http://cameo.mfa.org/materials/fullrecord.asp?name=thickening agent thickener] and as an [http://cameo.mfa.org/materials/fullrecord.asp?name=emulsifier emulsifier] in [http://cameo.mfa.org/materials/fullrecord.asp?name=paint paints], [http://cameo.mfa.org/materials/fullrecord.asp?name=dye dyes], and [http://cameo.mfa.org/materials/fullrecord.asp?name=paper paper] coatings.   
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A colorless or pale yellow powder. Sodium alginate is the sodium salt of [http://cameo.mfa.org/materials/fullrecord.asp?name=alginic%20acid alginic acid]. It is used as a food [http://cameo.mfa.org/materials/fullrecord.asp?name=thickening%20agent thickener] and as an [http://cameo.mfa.org/materials/fullrecord.asp?name=emulsifier emulsifier] in [http://cameo.mfa.org/materials/fullrecord.asp?name=paint paints], [http://cameo.mfa.org/materials/fullrecord.asp?name=dye dyes], and [http://cameo.mfa.org/materials/fullrecord.asp?name=paper paper] coatings.   
  
 
See also [http://cameo.mfa.org/materials/fullrecord.asp?name=algin algin].
 
See also [http://cameo.mfa.org/materials/fullrecord.asp?name=algin algin].
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== Authority ==
 
== Authority ==
  
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 20
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 20
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
  
* Book and Paper Group, Book and Paper Group, ''Paper Conservation Catalog'', AIC, 1984, 1989
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* Book and Paper Group, ''Paper Conservation Catalog'', AIC, 1984, 1989
  
 
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
 
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998

Revision as of 07:34, 24 July 2013

Description

A colorless or pale yellow powder. Sodium alginate is the sodium salt of alginic acid. It is used as a food thickener and as an emulsifier in paints, dyes, and paper coatings.

See also algin.

Synonyms and Related Terms

sodium polymannuronate; sodium salt of alginic acid

FTIR

AaiNA-ALGIN.jpg


Other Properties

Soluble in water forming a viscous gel. Insoluble in ethanol, ether and chloroform.

Composition NaC6H7O6
CAS 9005-38-3

Hazards and Safety

Combustible.

Fisher Scientific: MSDS

Authority

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 20
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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