Eriochrome Black T ACSS10070, Part Number S10070, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Chemical World.
.Eriochrome Black T, also referred to as Mordant black 11, is a metal-complexing azo dye that presents itself as a dark blue-black powder. With a chemical formula of C20H12N3NaO7S, Eriochrome Black T is soluble in water and alcohol, yet remains insoluble in common organic solvents. Its primary use lies in serving as an indicator in the ethylenediaminetetraacetic acid (EDTA) method for determining water hardness. The "ACS" label signifies that Eriochrome Black T meets the quality standards established by the American Chemical Society (ACS) for analytical reagent grade. Eriochrome Black T ACS stands as a top-notch, analytically pure version of the dye, rendering it a dependable option for various analytical, titration, and textile 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 :
- Eriochrome Black T is commonly used as an indicator in the titration of metal ions, such as calcium, magnesium, and others.
- The dye is employed in the determination of water hardness, helping to quantify the levels of calcium and magnesium ions.
- It finds use in various analytical techniques, including spectrophotometric and colorimetric analyses.
Benefits :
- ACS grade meets strict quality control standards
- Helps minimize interference and improves the precision of titration and analysis methods.
- Gives consistent and reproducible results
| Alternate Names | Mordant black 11 is also known as Eriochrome Black T. |
| Application | Mordant black 11 is a dye, potentially useful as a metal indicator, with a Color Index of 14645 and a Dye content of 55%. |
| CAS Number | 1787-61-7 |
| Molecular Weight | 461.38 |
| Molecular Formula: | C20H12N3NaO7S |
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in water (1 g/l). |
| Storage | Store at room temperature |
| Melting Point | >300° C |
| Refractive Index | n20D 1.75 (Predicted) |
| IC50 | ATP phosphoribosyltransferase: IC50= 10 M (Mycobacterium tuberculosis) |
| pK Values | pKa: -1.1 (Predicted) |
SAFETY INFORMATION
| WGK Germany | 2 |
| RTECS | QK2197000 |
| PubChem CID | 5459296 |
| Merck Index | 14:3667 |
| MDL Number | MFCD00003935 |
| EC Number | 217-250-3 |
| Beilstein Registry | 4121162 |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2O)NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)[O-].[Na+] |
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