Difference between revisions of "Maleic acid"

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== Description ==
 
== Description ==
  
An organic acid that exists as white crystals at room temperature. Maleic acid is a strong irritating acid that is used in the dyeing and finishing of [http://cameo.mfa.org/materials/fullrecord.asp?name=wool wool], [http://cameo.mfa.org/materials/fullrecord.asp?name=cotton cotton], and [http://cameo.mfa.org/materials/fullrecord.asp?name=silk silk]. It is also used as a preservative for fats and oils. Maleic acid is not the same as [http://cameo.mfa.org/materials/fullrecord.asp?name=malic acid malic acid] that is obtained from apples.
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An organic acid that exists as white crystals at room temperature. Maleic acid is a strong irritating acid that is used in the dyeing and finishing of [[wool|wool]], [[cotton|cotton]], and [[silk|silk]]. It is also used as a preservative for fats and oils. Maleic acid is not the same as [[malic%20acid|malic acid]] that is obtained from apples.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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[http://www.cdc.gov/niosh/ipcsneng/neng1186.html International Chemical Safety Card]
 
[http://www.cdc.gov/niosh/ipcsneng/neng1186.html International Chemical Safety Card]
  
== Authority ==
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== Sources Checked for Data in Record ==
  
* 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
  
* Susan Budavari (ed.), ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 5743
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* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 5743
  
* ''The American Heritage Dictionary'' or ''Encarta'', ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
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* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 07:49, 1 May 2016

Description

An organic acid that exists as white crystals at room temperature. Maleic acid is a strong irritating acid that is used in the dyeing and finishing of Wool, Cotton, and Silk. It is also used as a preservative for fats and oils. Maleic acid is not the same as Malic acid that is obtained from apples.

Synonyms and Related Terms

maleinic acid; malenic acid; cis-butenedioic acid; toxilic acid; cis-1,2-ethylenedicarboxylic acid; resina maleica (Esp., Port.)

Chemical structure

Maleic acid.jpg


Other Properties

Soluble in water, ethanol, acetone, glacial acetic acid. Slightly soluble in ether. Insoluble in benzene.

Composition HOOCC2H2COOH
CAS 110-16-7
Melting Point 138-139
Density 1.59
Molecular Weight mol. wt. = 116.1

Hazards and Safety

Strong irritant. Toxic by ingestion. Combustible producing toxic fumes.

International Chemical Safety Card

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5743
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998