Difference between revisions of "Chitin"
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== Description == | == Description == | ||
| − | A tough, protective natural substance composed of a [ | + | A tough, protective natural substance composed of a [[nitrogen]] containing [[polysaccharide]]. Chitin is the principal component in [[seashell|seashells]] as well as the exoskeletons of crabs, lobsters, insects, and [[dermestid|beetles]]. It is also found in the cell walls of some [[fungus|fungi]], [[algae]], and [[yeast|yeasts]]. Chitin is inelastic, thus growing arthropods must shed their exoskeletons periodically. |
[[File:Chitinkes.jpg|thumb|Chitin]] | [[File:Chitinkes.jpg|thumb|Chitin]] | ||
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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Sigma Chemical: [http://siri.org/msds/f2/cfg/cfgqt.html MSDS] | Sigma Chemical: [http://siri.org/msds/f2/cfg/cfgqt.html MSDS] | ||
| − | == | + | == Sources Checked for Data in Record == |
* 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 14:53, 29 April 2016
Description
A tough, protective natural substance composed of a Nitrogen containing Polysaccharide. Chitin is the principal component in seashells as well as the exoskeletons of crabs, lobsters, insects, and beetles. It is also found in the cell walls of some fungi, Algae, and yeasts. Chitin is inelastic, thus growing arthropods must shed their exoskeletons periodically.
Synonyms and Related Terms
kitin (Dan.); Chitin (Deut.); quitina (Esp., Port.); chitine (Fr., Ned.); chitina (It.); chityna (Pol.)
Other Properties
Soluble in concentrated mineral acids. Insoluble in common solvents.
| Composition | (C8H13NO5)n |
|---|---|
| CAS | 1398-61-4 |
Hazards and Safety
Sigma Chemical: MSDS
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2105
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Chitin (accessed (Sept. 2, 2005)
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000