Orange II Certified CAS: 633-96-5 | MF: C16H11N2NaO4S | MW: 350.32S10138, Part Number S10138, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Chemical World.
.Orange II Certified, a synthetic azo dye classified under monoazo dyes, displays an orange-red hue and is represented by the chemical formula C??H??N?NaO?S. Widely employed in histology, cytology, analytical chemistry. Orange II Certified serves as a reliable and valuable dye for staining and visualizing proteins and other cellular components.
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 :
- Orange II Certified is commonly used as a counterstain in various histological and cytological staining procedures, providing contrast and highlighting specific cellular structures.
- The dye has a high affinity for basic proteins, making it useful for the staining and visualization of proteins in tissues and cells.
- It can be used as a colorimetric indicator in analytical techniques, such as pH testing and the determination of protein concentrations.
Benefits :
- Has a high affinity for basic proteins
- Versatile and stable
- Cost-effective
| Alternate Names | 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A |
| Application | Orange II sodium salt is an azo dye pH indicator |
| CAS Number | 633-96-5 |
| Molecular Weight | 350.32 |
| Molecular Formula: | C16H11N2NaO4S |
Orange II sodium salt is a pH indicator and applicable in biological applications. Orange II sodium salt is useful in the Wilson-Ezrin method for pituitary acidophils, as a counterstain following Heidenhain's or Weigert's hematoxylin on paraffin sections, and as a substitute for Orange G (sc-203750) in Floemming's triple stain.
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in water (116 mg/ml at 30° C), and ethanol. |
| Storage | Store at room temperature |
| Melting Point | 164° C |
| Density : | 1.02 g/cm3 |
| Refractive Index: | n20D~1.68 (Predicted) |
SAFETY INFORMATION
| WGK Germany | 3 |
| RTECS | DB7084000 |
| PubChem CID | 23669380 |
| Merck Index | 14: 6858 |
| MDL Number | MFCD00011657 |
| EC Number | 211-199-0 |
| Beilstein Registry : | 3898201 |
| SMILES : | C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+] |
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