Difference between revisions of "Guanine"

From CAMEO
Jump to navigation Jump to search
m (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==")
 
Line 2: Line 2:
  
 
A purine type nucleic acid extracted from [[guano]] and fish scales. Guanine crystals are rhombic platelets composed of multiple layers. They are transparent but have a high index of refraction that produces a pearly luster. Guanine is used as a nacreous pigment called [[pearl color]].
 
A purine type nucleic acid extracted from [[guano]] and fish scales. Guanine crystals are rhombic platelets composed of multiple layers. They are transparent but have a high index of refraction that produces a pearly luster. Guanine is used as a nacreous pigment called [[pearl color]].
 
+
[[[SliderGallery rightalign|guanine.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
2-amino-6-oxypurine; Natural White 1; CI 75170; gaunina (Esp., Port.); pearl essence; imitation pearl; nacreous pigment; guanin; guanine enol; dew pearl; 2-amino-1,7-dihydro-6H-purin-6-one; 2-aminohypoxanthine; 2-amino hypoxanthine
 
2-amino-6-oxypurine; Natural White 1; CI 75170; gaunina (Esp., Port.); pearl essence; imitation pearl; nacreous pigment; guanin; guanine enol; dew pearl; 2-amino-1,7-dihydro-6H-purin-6-one; 2-aminohypoxanthine; 2-amino hypoxanthine
  
[[[SliderGallery rightalign|guanine.jpg~Chemical structure]]]
+
== Risks ==
 +
 
 +
* Skin contact may cause irritation.   
 +
* Possible carcinogen.  Teratogen and mutagen (animals) 
 +
* Fisher Scientific: [https://fscimage.fishersci.com/msds/43694.htm MSDS]
  
== Other Properties ==
+
== Physical and Chemical Properties ==
  
 
Soluble in ammonia water, dilute bases, dilute acids. Slightly soluble in ethanol, ether. Insoluble in water.
 
Soluble in ammonia water, dilute bases, dilute acids. Slightly soluble in ethanol, ether. Insoluble in water.
Line 22: Line 26:
 
|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 360
+
| 360 C
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
Line 28: Line 32:
 
|}
 
|}
  
== Hazards and Safety ==
+
==Resources and Citations==
 
 
Skin contact may cause irritation.   
 
 
 
Possible carcinogen.  Teratogen and mutagen (animals) 
 
 
 
Fisher Scientific: [https://fscimage.fishersci.com/msds/43694.htm MSDS]
 
 
 
== Sources Checked for Data in Record ==
 
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 379
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 379
Line 44: Line 40:
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 4593
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 4593
  
* Website address 1  Comment: http://www.coloria.net/varita.htm - NW1, CI75170, used as pigment by Francois Jaquin in 1656
+
* Coloria: http://www.coloria.net/varita.htm - NW1, CI75170, used as pigment by Francois Jaquin in 1656
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 09:43, 23 August 2022

Description

A purine type nucleic acid extracted from Guano and fish scales. Guanine crystals are rhombic platelets composed of multiple layers. They are transparent but have a high index of refraction that produces a pearly luster. Guanine is used as a nacreous pigment called Pearl color.

Chemical structure

Guanine.jpg

Synonyms and Related Terms

2-amino-6-oxypurine; Natural White 1; CI 75170; gaunina (Esp., Port.); pearl essence; imitation pearl; nacreous pigment; guanin; guanine enol; dew pearl; 2-amino-1,7-dihydro-6H-purin-6-one; 2-aminohypoxanthine; 2-amino hypoxanthine

Risks

  • Skin contact may cause irritation.
  • Possible carcinogen. Teratogen and mutagen (animals)
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in ammonia water, dilute bases, dilute acids. Slightly soluble in ethanol, ether. Insoluble in water.

Composition C5H5H5O
CAS 73-40-5
Melting Point 360 C
Molecular Weight mol. wt. = 151.13

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 379
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4593

Retrieved from "https://cameo.mfa.org/index.php?title=Guanine&oldid=91558"