Description
4-Chloro-7-nitrobenzofurazan is a benzofurazan derivative supplied for chemical and biochemical laboratory use, identified by CAS number 10199-89-0. The empirical formula is C₆H₂ClN₃O₃ and the molar mass is 199,55 g/mol. A boiling point of 333,1 °C is stated in the manufacturer data, aiding thermal handling assessments during synthesis or formulation trials. This listing provides, suited to method development, labelling chemistry, and smaller-scale preparative work where controlled consumption of the reagent is preferred. The chloro-nitrobenzofurazan scaffold is well known in research settings that require reactive heterocyclic intermediates for further substitution or for constructing specialised analytical and biochemical probes. Clear catalogue identity—name, CAS, formula, molar mass, and boiling point—supports incoming inspection, safety documentation, and alignment with experimental protocols. The product is offered from manufacturer Carl ROTH in the chemicals and biochemicals assortment aimed at professional laboratories.
This article is part of Fluorescent dyes & labels, in Dyes, stains & indicators.
Key features
- Purity (HPLC): ≥ 97 %
- Melting point: 97 to 100 °C
- Colour: white to yellow
- Form: powder to crystalline powder or crystals
- ¹H-NMR Spectrum: corresponds to assigned structure
- CAS number: 10199-89-0
- Pack sizes: 10 g, 25 g, 50 g
- Empirical formula: C₆H₂ClN₃O₃
- Molar mass: 199,55 g/mol
- Boiling point: 333,1 °C
- Storage temperature: -20 °C
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
Warning
Hazard Statements (H-Phrases)
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Questions about 4-Chloro-7-nitrobenzofurazan, 10 g
What is this article?
4-Chloro-7-nitrobenzofurazan, 10 g 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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Shelves beside this one are Microscopy stains & staining solutions and Dyes & pigments.
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