Rose bengal 85% Dye content AR
C.I.No.45440 It is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye.
4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein, Acid Red 94, Bengal Rose B sodium salt
Product Code. |
02261 |
Grade |
|
Purity |
85% dye content |
CAS No. |
632-69-9 |
Molecular Formula |
C20H2.Cl4I4Na2O5 |
Molecular Weight |
1017.65 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Dark red powder |
Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | Dark red to reddish brown colored powder |
| Identity (IR) | Passes test |
| Solubility (1 mg/mL in water) | Clear to slightly hazy red color solution |
| Absorption maxima (0.001% in water + 1 ml 1% Na2CO3 solution) | 544 - 550 nm |
| Dye content | Min 85.0% |
| Loss on dryig (at 110°C) | Max 10% |
Safety Information and Hazard Symbols