Pyronine Y
Revision as of 06:33, 24 July 2013 by (username removed)
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).
Synonyms and Related Terms
pyronin; CI 45005; 3,6-bis(dimethylamino)xanthylium chloride; pyronine G; pyronin yellow; tetramethyldiaminoxanthylium chloride
Other Properties
Soluble in water and ethanol.
| Composition | C17H19ClN2O |
|---|---|
| CAS | 92-32-0 |
| Melting Point | 250-260 |
| Molecular Weight | mol. wt. = 302.80 |
Hazards and Safety
Fisher Scientific: 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.
Authority
- 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