Difference between revisions of "Sodium alginate"
Jump to navigation
Jump to search
(username removed) |
(username removed) |
||
| Line 1: | Line 1: | ||
== Description == | == Description == | ||
| − | A colorless or pale yellow powder. Sodium alginate is the sodium salt of [http://cameo.mfa.org/materials/fullrecord.asp?name=alginic | + | 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]. | ||
| Line 32: | Line 32: | ||
== Authority == | == 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 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 06:34, 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
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