[02151787-CF] CAS 1936-15-8 | Orange G, sodium salt | MP bio
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Brand: MP Bio
Acid orange 10; C.I. 16230; Wool Orange 2G; 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt; 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt /
Orange G Sodium Salt
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02151787-CF | CAS 1936-15-8 | Orange G, sodium salt | MP bio
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Orange G Sodium Salt
| SKU | 02151787-CF |
| Alternate Names | Acid orange 10; C.I. 16230; Wool Orange 2G; 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt; 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt |
| Application Notes | Orange G is used primarily as a histological stain. It is a pail dye that is used for faint background staining. It is used as a counterstain for a number of nuclear stains including hematoxylin, safranin O, crystal violet, methyl green and basic fuchsin. Also used as a plasma stain. 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. It is also used as a collagen stain for connective tissue. Used with Orcein, Alizarin Blue 2B, and Fast Green FCF in Kornhauser′s quadruple stain for most elementary structures of tissues. |
| Auto Ignition | 260-371°C |
| Base Catalog Number | 151787 |
| Beilstein Registry Number | 4120705 |
| Boiling Point | 218-643°C |
| CAS # | 1936-15-8 |
| Color Index | 16230 |
| Density | g/cm³ |
| EC Number | 217-705-6 |
| Flash Point | >115°C o.c. |
| Format | Crystalline powder |
| Melting Point | 572 to 707° F (decomposes) (NTP, 1992) |
| Molecular Formula | C16H10N2O7S2Na2 |
| Molecular Weight | 452.363 g/mol |
| Personal Protective Equipment | Eyeshields, Gloves, respirator filter |
| RTECS Number | QJ6500000 |
| Solubility | 50 to 100 mg/mL at 74.3° F (NTP, 1992) |
| Usage Statement | Unless specified otherwise, MP Biomedical’s products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department. |
| UV Visible Absorbance | λ max (water): 475 – 481 nm |
| Vapor Pressure |
Vapour pressureat 20°C: negligible |
| brand | MP Bio |
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