Description
VIS-587 Trimethine cyanine iodide is a visible-range polymethine dye provided as the iodide salt for fluorescence and absorption applications. Identified by CAS number 886046-46-4, it has the empirical formula C₃₆H₄₅IN₂ and a molar mass of 668,70 g/mol. Measured in methanol, the absorption maximum lies at 587 nm, making the dye suitable for orange-red optical channels in microscopy, flow cytometry and photometric assays. Trimethine cyanines of this type are valued for compact conjugation chemistry and well-defined spectral behaviour within the visible window. The dye is available from manufacturer Carl ROTH and carries EG nr. 812-693-4. It fits workflows in life-science imaging, dye chemistry and analytical method development where a characterised VIS absorber is needed. Use standard precautions for organic colorants and refer to the safety data sheet for handling guidance.
This article is part of Fluorescent dyes & labels, in Dyes, stains & indicators.
Key features
- CAS number: 886046-46-4
- Pack sizes: 1 g, 5 g, 10 g
- EG nr.: 812-693-4
- Empirical formula: C₃₆H₄₅IN₂
- Molar mass: 668,70 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
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Hazard Statements (H-Phrases)
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Questions about VIS-587 Trimethine-, Cyanine Iodide, 1 g, glass
What is this article?
VIS-587 Trimethine-, Cyanine Iodide, 1 g, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Fluorescent dyes & labels, inside Dyes, stains & indicators, in Lab chemicals.
A fluorescent dye absorbs at one wavelength and emits at a longer one. As a label it is attached to a protein, a nucleic acid or a cell. Excitation and emission maxima, and the reactive group if it must conjugate, are the specification. The colour name does not tell you the wavelengths.
A dye or a stain binds, or changes colour, so that something invisible becomes visible. An indicator changes at a pH or a redox point. A fluorescent dye absorbs one wavelength and emits another, which is how a microscope or a plate reader picks it out. The excitation and emission, or the transition interval, are the specification. The colour name on the label is not. Structures are on PubChem under IUPAC names. Methods are in the PubMed literature.
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