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