Nigrosin W/S CAS: 8005-03-6 | MF: C42H29N6Na3O12S4 | MW: 1006.9, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains.
Nigrosin W/S (CAS No. 8005-03-6) is a black synthetic dye that is insoluble in water, chemically referred to as Acid Black 2. It has a molecular formula C42H29N6Na3O12S4 and a molecular weight of 1006.9. This dye can be extensively used in analyses, biological as well as laboratory staining, because of its high contrast and stability.
Applications
- Widely used in Gram staining, Nissl staining, and various histological staining techniques
- In Microbiology: Nigrosin W/S is a negative stain that is used to colour the background instead of the cells so that to increase contrast in focusing the bacteria.
- In Cytology and Histology: In Nissl staining, the dye is used to detect neuronal rough endoplasmic reticulum, and complements Gram staining of microbial differentiation.
- In Hematology, Nigrosin W/S is used in the lab work of hematology and general biology, where the visualization needs high contrast.
Key features
- Gives a blue-black color which is saturated in aqueous solutions.
- Excellent light fastness and durability.
- Exceptional negative staining on ideal specimens.
- Cost-effective and applicable in the routinely used laboratory.
- Can be used with a large variety of staining methods.
General Description
Nigrosin W/S (CAS No. 8005-03-6) is a general-purpose synthetic staining dye that achieves success in the field of biological and histological staining. The water-soluble dye has found extensive use in microbiology, cytology, and histology because it results in sharp contrast and clear images under the microscope. Nigrosin W/S is a widely known synonym of acid Black 2, and it is specifically related to the negative staining protocols. Nigrosin W/S is used to effectively visualize microorganisms, cells and tissue structures due to its deep blue-black coloration. The dye is stable, economically viable and can be used routinely in cytological, hematological as well as biological labs.
Laboratories looking to buy Nigrosin W/S can rely on TriStains for consistent quality, batch certification, and dependable laboratory performance. It is appropriate in academic, research and industrial laboratory setups due to competitive pricing and options of bulk supply. Through the official TriStains platform, customers will be able to browse the product availability, order it in large quantities, and get the latest pricing. To see the current price of Nigrosin W/S, bulk pricing, or product availability, please go to our website or contact the sales team. Buy Nigrosin W/S is recommended to obtain reliable staining results, accurate and high performance in any given laboratory procedure.
About Brand
TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.

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