NILE CHEMICALS
NILE CHEMICALS
ROSE BENGAL
| Structural formula |
Rose Bengal |
|
 |
||
| C.I. number | 45440 | |
| C.A.S no. | 632-69-9 | |
| Appearance | Dark Red Powder | |
| Absorptivity 1% ,1 cm water + 1 ml
Na2CO3 sol
at lamda max 541.0 nm |
800 | |
| Empirical formula | C20H2O5I4Cl4Na2 | |
| Loss on drying | 4.63 % | |