Description
Le Rose Bengale B (C.I. 45440) est un colorant de microscopie fourni pour des applications de coloration biologique, avec le numéro CAS 632-69-9, le n° EG 211-183-3 et la formule brute C₂₀H₂Cl₄I₄Na₂O₅. La masse molaire est de 1017,65 g/mol et la densité est de 1 g/cm³, ce qui permet une préparation précise des solutions de coloration en histologie et dans les travaux de laboratoire associés. Le Rose Bengale B est largement utilisé lorsqu'un comportement de coloration sélectif est nécessaire pour l'examen microscopique des tissus et des structures cellulaires. Disponible auprès du fabricant Carl ROTH, ce produit est positionné parmi les colorants pour applications biologiques et s'intègre facilement dans les protocoles de coloration établis. Les laboratoires peuvent l'utiliser pour la préparation de solutions mères, le développement de méthodes et la coloration en microscopie au quotidien sans reformulation inutile. Des données d'identification claires — incluant le numéro CAS, le numéro EG et la formule — facilitent la documentation, la commande et le contrôle qualité dans les environnements de microscopie réglementés ou de recherche.
Cet article appartient à la catégorie Milieux de culture déshydratés (bases d'agar et de bouillon), dans Milieux de culture et microbiologie. Voir aussi Boîtes de Petri.
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Questions about Rose bengale B (C.I. 45440), pour microscopie, 5 g, verre
What is this article?
Rose bengale B (C.I. 45440), pour microscopie, 5 g, verre is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Dehydrated culture media (agar & broth bases), inside Culture media & microbiology, in Microbiologie.
A dehydrated medium is a powder the laboratory dissolves, sterilises and pours. The formulation name, the supplements it still needs, and the grams per litre are the specification. Two powders with similar names, one selective and one not, grow different organisms.
A culture medium is the food and the solid or liquid home of a microorganism. Dehydrated media are powders the laboratory dissolves and sterilises. Ready-to-use plates and tubes are already that. A Petri dish is the plate. Selective media let one kind of organism grow and hold another back. The formulation and the supplements, not the colour of the agar, are the specification. Reference strains are at ATCC. Methods are on PubMed. Biosafety practice is the WHO laboratory biosafety topic.
Which category should I open next?
The category is Culture media & microbiology. The sub-category is Dehydrated culture media (agar & broth bases). The catalogue is Microbiologie.
Shelves beside this one are Petri dishes, Ready-to-use culture media (plates, tubes, bottles), Microbiology (other), Inoculation loops, spreaders & needles and Microbial identification, hygiene monitoring & rapid tests.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

