Rhodamine B AR For Microscopy
C.I.No.45170 Rhodamine B is used in biology as a staining fluorescent dye, sometimes in combination with auramine O, as the auramine-rhodamine stain to demonstrate acid-fast organisms, notably Mycobacterium.
Rhodamine 610, C.I. Pigment Violet 1, Basic Violet 10
Product Code. |
02253 |
Grade |
For Microscopy |
Purity |
CAS No. |
81-88-9 | |
Molecular Formula |
C28H31ClN2O3 |
Molecular Weight |
479.02 |
H.S.Code |
3204.13420 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Dark green crystalline |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
210 - 211 °C |
Density [g/cm3] |
0.79 |
Solubility in water [% weight] |
Partially soluble in water |
Packaging
Specification
| Appearance | Dark green crystalline powder |
| Absorption maxima in water | 550-554 nm |
| Absorptivity (A 1%/1cm; at ? in water, on dried substances) | Min 2100 |
| Loss on drying (at 110°C) | Max 5.0 % |
| Suitability (for microscopy) | Passes test |
Safety Information and Hazard Symbols