Nigrosin W/S CAS: 8005-03-6 | MF: C22H14N6Na2O9S2 | MW: 616.49S10131, Part Number S10131, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Chemical World.
.Nigrosin W/S is a synthetic dye that comes in the form of brown to dark blue or violet to black crystals or powder. With a molecular formula of C42H29N6Na3O12S4, this water-soluble dye is derived from coal tar sources. The abbreviation W/S signifies its water solubility, making it dissolve easily in water. When mixed with water or other aqueous solutions, it exhibits a rich, deep blue-black hue. Widely utilized in microbiology and cytology, Nigrosin W/S is commonly employed for negative staining purposes.
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 chromatic 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.
Application :
- Nigrosine WS is used in microbiology for negative staining of microorganisms.
- It stains the background dark blue/purple in order to enhance the visibility of non-stained bacteria, fungi, spirochetes and protists.
- It is commonly used in Gram staining, Nissl staining, and other histological techniques.
Benefits :
- Offers a deep, saturated blue-black color when dissolved in aqueous solutions
- Highly stable and resistant to fading
- Versatile and affordable
| Alternate Names | Acid Black 2 |
| Application | Nigrosin is a negative stain in place of India ink for spirochetes, bacteria, protozoa and fungi |
| CAS Number | 8005-03-6 |
| Molecular Weight | 616.49 |
| Molecular Formula: | C22H14N6Na2O9S2 |
Nigrosin is used as a negative stain in place of India ink for spirochetes, bacteria, protozoa and fungi. Negative staining with nigrosin can reveal some microorganisms that cannot be stained by regular methods.
| Appearance | Crystalline or powder |
| Physical State | Solid |
| Solubility | Soluble in water, alcohol, oil, and nigrosines. |
| Storage | Store at room temperature |
SAFETY INFORMATION
| WGK Germany | 3 |
| RTECS | GC4762250 |
| PubChem CID | 44134531 |
| MDL Number | MFCD00044681 |
| SMILES | C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
Safety Data Sheets (SDS), Product Specification (PS) and Certificates of Analysis (COA) click Document Button