Difference between revisions of "Maleic acid"
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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] | ||
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
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.)
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