Orange II Certified CAS: 633-96-5 | MF: C16H11N2NaO4S | MW: 350.32, Buy Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains at Chemical World.
Orange II Certified (CAS No. 633-96-5) is an artificial azo dye, which is classified as a sulfonated azo dye. It is bright orange and its molecular composition is C16H11N2NaO4S with a molecular weight of 350.32. The dye also has a variety of chemical and trade names such as 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt, Acid Orange 10, and Wool Orange 2G. Orange II Certified finds extensive applications in cytology, histology, biology, and in industrial staining applications, and is a principal component of Mallory connective tissue stain.
Applications
- Histology and Cytology: Orange II Certified is mainly employed as a counterstain in histological and cytological staining. It can be used to complement primary stains and give high contrast to enable the identification of cellular and tissue structures with clarity during microscopic analysis.
- Protein-Focused Studies: The dye shows a high affinity towards simple proteins in tissues and thus can be used in both biological laboratories as well as protein visualization studies. Orange II Certified finds other applications as a colorimetric reagent in the analysis of pH and protein in solution-based analyses.
- Analytical and Quality Control Laboratories: Its ability to be compatible with spectrophotometry and biochemical assay techniques further increases its uses beyond microscopy to include analysis, testing and quality control settings.
Key features
- A bright and steady orange microscopy color.
- Consistent and predictable with a variety of staining and analysis protocols.
- Approved to be pure, reproducible and consistent with the laboratory.
- Inexpensive to use in laboratory routine.
- Suitable to histology, cytology, and overall biological staining.
General Description
Orange II Certified (CAS No. 633-96-5) is a prototype synthetic azo dye that is widely used in histological and cytological staining procedures. It is a counterstain and due to its bright orange color and good staining ability, it is used in order to increase the contrast of the tissues that are being examined under a microscope. The dye has a molecular formula of C16H11N2NaO4S and a molecular weight of 350.32, and thus provides consistent and reproducible results. It is also known as the Acid Orange 7, the Orange II Certified, and it is used in fields of science and industry. Its good protein-binding characteristic makes it very appropriate in staining operations that require a good cellular visualization.
Are you interested in buying Orange II Certified (CAS No. 633-96-5)? Chemical World provides the lab-grade Orange II Certified dyes to be used in histology, cytology, microbiology, hematology, and biological research. The prices are different in terms of packaging and quantity. Get in touch with the sales team or see the online catalog to get an updated price. All the laboratory reagents are provided at competitive prices, with guaranteed quality, and customer-responsive services. Buy Orange II Certified today from Chemical World. for reliable and reproducible results.
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 the resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under the TriStains series is validated for accuracy, reliability, and consistency. TriStains, which manufactures and markets stains and indicators in various packaging, offers laboratories turnkey solutions for all their staining and indicator needs, improving accuracy in every experiment.
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| 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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