Description
Nuclear fast red (C.I. 60760) is a microscopy dye intended for biological staining applications in the laboratory. It carries CAS number 6409-77-4, EG number 229-088-0, and the empirical formula C₁₄H₈NNaO₇S, with a molar mass of 357,28 g/mol. As a Colour Index listed dye (C.I. 60760), it is used in histological and cytological workflows where nuclear contrast and reliable tinctorial behaviour are required. It belongs to the group of dyes and pigments for biological applications and supports contrast enhancement in fixed specimens when used according to established microscopy methods. Nuclear fast red from manufacturer Carl ROTH provides a defined chemical identity for protocol documentation and reagent tracking. The compact pack size is practical for research groups, diagnostic support labs, and educational settings that need controlled quantities of a well-specified nuclear stain without excess bulk inventory.
This article is part of Dyes & pigments, in Dyes, stains & indicators.
Key features
- Appearance: dark red to brown powder
- Appearance of solution (0,1 % in H2O): dark red
- CAS number: 6409-77-4
- Pack sizes: 1 g, 5 g, 10 g
- EG nr.: 229-088-0
- Empirical formula: C₁₄H₈NNaO₇S
- Molar mass: 357,28 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Nuclear fast red (C.I. 60760), for microscopy, 1 g, glass
What is this article?
Nuclear fast red (C.I. 60760), for microscopy, 1 g, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Dyes & pigments, inside Dyes, stains & indicators, in Lab chemicals.
A dye dissolves. A pigment is a particle dispersed in a medium. On this shelf they are the colouring substances used as reagents or as markers, specified by Colour Index name or by structure where it is known. The same common name can hide two constitutions.
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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