Sudan II CAS: 3118-97-6 | MF: C18H16N2O | MW: 276.33S10178, Part Number S10178, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Chemical World.
.Sudan II is a synthetic dye belonging to the Sudan series of dyes. It has various applications in different fields.
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| Alternate Names | 1-(2,4-Xylylazo)-2-naphthol |
| Application | Sudan II is a lipid soluble, diazo dye useful for staining triglycerides in animal tissues (frozen sections) |
| CAS Number | 3118-97-6 |
| Molecular Weight | 276.33 |
| Molecular Formula: | C18H16N2O |
Sudan II (1-(2,4-Xylylazo)-2-naphthol), also known as Solvent Orange 7, is a member of the Sudan family of hydrophobic fat-staining dyes. Sudan dyes are a group of lipid soluble solvent dyes often called lysochromes, in structural classification they are diazo dyes. With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections. By studying the cellular regions where the dye is sequestered, Sudan II has been used it to evaluate how certain toxins interact with membranes.
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in chloroform (10 mg/ml), ethanol, acetone, and benzene. Insoluble in water. |
| Storage | Store at room temperature |
| Melting Point | 156-158° C (lit.) |
| Refractive Index | n20D 1.62 (Predicted) |
| pK Values | pKa: 13.52 (Predicted) |
SAFETY INFORMATION
| WGK Germany | 3 |
| RTECS | QL5850000 |
| PubChem CID | 5378007 |
| MDL Number | MFCD00003896 |
| EC Number | 221-490-4 |
| SMILES | CC1=CC(=C(C=C1)N/N=C2/C(=O)C=CC3=CC=CC=C32)C |
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