Difference between revisions of "Pyronine Y"

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Shiny, green crystals that form a red aqueous solution Pyronine Y produces a pale yellow [[autofluorescence|autofluorescence]] in [[ultraviolet%20radiation|ultraviolet light]]. It is used as a bacteriological and biological [[fluorochrome|fluorochrome]]. It has a mean excitation wavelength of 410 nm (violet/blue) and a mean emission wavelength of 540 nm (Wolbers et al., 1990).
 
Shiny, green crystals that form a red aqueous solution Pyronine Y produces a pale yellow [[autofluorescence|autofluorescence]] in [[ultraviolet%20radiation|ultraviolet light]]. It is used as a bacteriological and biological [[fluorochrome|fluorochrome]]. It has a mean excitation wavelength of 410 nm (violet/blue) and a mean emission wavelength of 540 nm (Wolbers et al., 1990).
 
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[[[SliderGallery rightalign|pyronine Y.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
pyronin; CI 45005; 3,6-bis(dimethylamino)xanthylium chloride; pyronine G; pyronin yellow; tetramethyldiaminoxanthylium chloride
 
pyronin; CI 45005; 3,6-bis(dimethylamino)xanthylium chloride; pyronine G; pyronin yellow; tetramethyldiaminoxanthylium chloride
  
[[[SliderGallery rightalign|pyronine Y.jpg~Chemical structure]]]
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==Physical and Chemical Properties==
 
 
== Other Properties ==
 
  
 
Soluble in water and ethanol.
 
Soluble in water and ethanol.
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|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 250-260
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| 250-260 C
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
| mol. wt. = 302.80
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| 302.80
 
|}
 
|}
  
== Hazards and Safety ==
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== Risks ==
 
 
Fisher Scientific: [https://fscimage.fishersci.com/msds/01929.htm MSDS]
 
 
 
== Additional Information ==
 
  
R. Wolbers, N. Sterman, C. Stavroudis, "Notes for Workshop on New Methods in the Cleaning of Paintings", Getty Conservation Institute, Los Angeles, 1990.
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* Fisher Scientific: [https://fscimage.fishersci.com/msds/01929.htm MSDS]
  
== Sources Checked for Data in Record ==
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==Resources and Citations==
  
 
* Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, ''Notes for Workshop on New Methods in the Cleaning of Paintings'', J.Paul Getty Trust, Los Angeles, 1990  Comment: mean excitation wavelength of 410 nm -violet/blueviolet - and mean emission wavelength=540 nm
 
* Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, ''Notes for Workshop on New Methods in the Cleaning of Paintings'', J.Paul Getty Trust, Los Angeles, 1990  Comment: mean excitation wavelength of 410 nm -violet/blueviolet - and mean emission wavelength=540 nm

Latest revision as of 11:33, 20 August 2022

Description

Shiny, green crystals that form a red aqueous solution Pyronine Y produces a pale yellow Autofluorescence in ultraviolet light. It is used as a bacteriological and biological Fluorochrome. It has a mean excitation wavelength of 410 nm (violet/blue) and a mean emission wavelength of 540 nm (Wolbers et al., 1990).

Chemical structure

Pyronine Y.jpg

Synonyms and Related Terms

pyronin; CI 45005; 3,6-bis(dimethylamino)xanthylium chloride; pyronine G; pyronin yellow; tetramethyldiaminoxanthylium chloride

Physical and Chemical Properties

Soluble in water and ethanol.

Composition C17H19ClN2O
CAS 92-32-0
Melting Point 250-260 C
Molecular Weight 302.80

Risks

  • Fisher Scientific: MSDS

Resources and Citations

  • Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990 Comment: mean excitation wavelength of 410 nm -violet/blueviolet - and mean emission wavelength=540 nm
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8190: abs. max = 552 nm
  • Aldrich Chemical Catalog Comment: abs. max = 548 nm