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 | + | 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%20acid malic acid] that is obtained from apples. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 39: | Line 39: | ||
== Authority == | == Authority == | ||
| − | * | + | * 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 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:53, 24 July 2013
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.)
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
Authority
- 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