Description
Coumarin UV-380 Diethylamino est un réactif colorant coumarin identifié par le numéro CAS 20571-42-0 et la formule empirique C₁₃H₁₅NO₂. Il présente un maximum d'absorption de 380 nm dans methanol et une masse molaire de 217.27 g/mol, au service de travaux spectroscopiques dans le domaine UV, d'études de fluorescence et de chimie des colorants lorsqu'un chromophore diethylamino-coumarin est requis. Le matériau est disponible du fabricant Carl ROTH pour un usage en laboratoire de recherche et industriel. Le numéro EG 243-888-7 conjointement avec le maximum d'absorption dans methanol indiqué à 380 nm favorise une spécification cohérente dans les protocoles analytiques et les dossiers de matériaux. Choisissez ce dérivé de coumarin lorsqu'un maximum d'absorption référencé au methanol proche de 380 nm est spécifié pour des applications de colorants UV.
Cet article fait partie de Colorants fluorescents & marqueurs, dans Colorants, colorations & indicateurs.
Caractéristiques
- Numéro CAS: 20571-42-0
- Pack sizes: 1 g, 5 g, 10 g
- N° CE: 243-888-7
- Formule brute: C₁₃H₁₅NO₂
- Masse molaire: 217.27 g/mol
- Fiche technique:
- Fiche de données de sécurité:
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Questions about Coumarin UV-380 Diethylamino, Maximum d'absorption (MeOH) = 380 nm, 1 g, verre
What is this article?
Coumarin UV-380 Diethylamino, Maximum d'absorption (MeOH) = 380 nm, 1 g, verre is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Colorants fluorescents & marqueurs, inside Colorants, colorations & indicateurs, in Produits chimiques.
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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Shelves beside this one are Colorants & solutions de coloration pour microscopie and Colorants & pigments.
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