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Orange G Indicator 80% Dye Content For Microscopy
C.I.No.16230 The main use of Orange G is in the OG-6 Papanicolaou stain, to stain keratin. It is also a major component of the Alexander test for pollen staining.
Acid Orange 10, Wool Orange 2G, 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt
Product Code. |
01892 |
Grade |
For Microscopy |
Purity |
80% dye content |
CAS No. |
1936-15-8 |
Molecular Formula |
C16H10N2Na2O7S2 |
Molecular Weight |
452.37 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Orange powder |
Odour |
Odorless |
| pH value |
9 |
Decomposition point [°C] |
280 °C |
Solubility in water [% weight] |
70 g/l at 20 °C |
Packaging
Specification
| Appearance | Orange powder |
| Dye content | Min 80% |
| Absorption maxima in water | 476 - 481 nm |
| Absorptivity | Min 380 |
| Loss on drying | Max 15% |
Safety Information and Hazard Symbols