Buy Orange G Certified (1936-15-8) MF: C16H10N2Na2O7S2 | MW: 452.37. Get High Quality Orange G Certified (1936-15-8) from TriStains at Dawnscientific.com
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Orange G Certified
Get High Quality Orange G Certified (1936-15-8) from ChemieR at Dawn Scientific. M.F: C16H10N2Na2O7S2 | M.W.: 452.37, Shop now for reliable and Reproducible results
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ADDITIONAL INFORMATION
Alternate Names | 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt |
Application | Orange G is an azo dye used primarily as a histological stain |
CAS Number | 1936-15-8 |
Molecular Weight | 452.37 |
Molecular Formula: | C16H10N2Na2O7S2 |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Orange G is an azo dye used primarily as a histological stain. It is a pail dye that is used for faint background staining and is very soluble in water with decreased solubility in alcohol. Orange G is a major component in the Papanicolaou stain, which is used in cervical cytology. The compound has been used to stain cells secreting growth hormone in the anterior pituitary and stain the mature bone orange. Orange G has also been incorporated in the following: Mallory’s connective tissue stain,Flemming’s triple stain on paraffin sections of onion root, Kreyberg’s method for keratin and mucus and prostatic carcinoma cells, as a counterstain following Heidenhain’s iron hematoxylin on paraffin sections and in the Wilson-Ezrin method for pituitary acidophils.
TECHNICAL INFORMATION
Appearance | Powder |
Physical State | Solid |
Solubility | Soluble in water (80 mg/ml), ethanol (3 mg/ml), and methyl cellosolve (40 mg/ml). Insoluble in diethyl ether. |
Storage | Store at room temperature |
Melting Point | 141° C |
pK Values | pKa: 11.5 (25° C) |
Refractive Index | n20D ~1.72 (Predicted) |
SAFETY INFORMATION
WGK Germany | 3 |
RTECS | QJ6500000 |
PubChem CID | 9566064 |
MDL Number | MFCD00012457 |
EC Number | 217-705-6 |
Beilstein Registry : | 4120705 |
SMILES : | C1=CC=C(C=C1)N/N=C/2C(=O)C=CC3=CC(=CC(=C32)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
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