Difference between revisions of "Chitin"

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[[File:Lobster.chitin.NOAA.jpg|thumb|Lobster  
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[[File:Lobster.chitin.NOAA.jpg|thumb|Lobster ''Homarus americanus'']]
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''Homarus americanus'']]
 
 
== Description ==
 
== Description ==
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[[File:Chitinkes.jpg|thumb|Chitin]]
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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.
  
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A tough, protective natural substance composed of a [http://cameo.mfa.org/materials/fullrecord.asp?name=nitrogen nitrogen] containing [http://cameo.mfa.org/materials/fullrecord.asp?name=polysaccharide polysaccharide]. Chitin is the principal component in [http://cameo.mfa.org/materials/fullrecord.asp?name=seashell seashells] as well as the exoskeletons of crabs, lobsters, insects, and [http://cameo.mfa.org/materials/fullrecord.asp?name=dermestid beetles]. It is also found in the cell walls of some [http://cameo.mfa.org/materials/fullrecord.asp?name=fungus fungi], [http://cameo.mfa.org/materials/fullrecord.asp?name=algae algae], and [http://cameo.mfa.org/materials/fullrecord.asp?name=yeast yeasts]. Chitin is inelastic, thus growing arthropods must shed their exoskeletons periodically.
 
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[[File:Chitin, Fly exoskeleton.jpg|thumb|Infrared spectrum of chitin]]
 
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
kitin (Dan.); Chitin (Deut.); quitina (Esp., Port.); chitine (Fr., Ned.); chitina (It.); chityna (Pol.)
 
kitin (Dan.); Chitin (Deut.); quitina (Esp., Port.); chitine (Fr., Ned.); chitina (It.); chityna (Pol.)
  
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== Other Properties ==
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[[[SliderGallery rightalign|Chitin, Fly exoskeleton.TIF~FTIR (MFA)]]]
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== Risks ==
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* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AAJ6120622&productDescription=CHITIN+100G&vendorId=VN00024248&countryCode=US&language=en SDS]
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==Physical and Chemical Properties==
  
 
Soluble in concentrated mineral acids. Insoluble in common solvents.
 
Soluble in concentrated mineral acids. Insoluble in common solvents.
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== Hazards and Safety ==
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==Resources and Citations==
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Sigma Chemical: [http://siri.org/msds/f2/cfg/cfgqt.html MSDS]
 
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== Additional Images ==
 
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<gallery>
 
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File:Chitinkes.jpg|Chitin
 
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</gallery>
 
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== Authority ==
 
  
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* 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
  
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* Walter C. McCrone, John Gustave Delly, Walter C. McCrone, John Gustave Delly, ''The Particle Atlas'', W. McCrone Associates, Chicago, IV, 1972
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* 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
 
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 2105
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 2105
  
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* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Chitin (accessed (Sept. 2, 2005)
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* Wikipedia: http://en.wikipedia.org/wiki/Chitin (accessed (Sept. 2, 2005)
  
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* Random House, Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997
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* 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
 
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998

Latest revision as of 15:41, 28 May 2022

Lobster Homarus americanus

Description

Chitin

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.)

FTIR (MFA)

Chitin, Fly exoskeleton.TIF


Risks

  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in concentrated mineral acids. Insoluble in common solvents.

Composition (C8H13NO5)n
CAS 1398-61-4

Resources and Citations

  • 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
  • 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

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